Terms of Use (EULA)

1. Parties & scope

• App: TeLog · Bundle ID com.jchen.Telog
• App Store listing account: Apple Developer Program (Individual); seller/developer name on the App Store follows that account
• Operator (contracting party): Wenling Xinhe Yijia Software Development Studio (sole proprietorship). Rights and obligations under these Terms are borne by the Studio; its sole proprietor is the same natural person as the Individual Apple Developer account holder · service@telog.cn
• Designed for mainland China Tesla owners; may also be listed overseas
• Not Tesla official; no affiliation or endorsement

2. Service description

• Free / on-device: live status, emergency tools, vehicle-alert lookup (on-device library; optional on-device photo OCR; defaults to the current authorized vehicle), VIN/tires, recent drives/charges, basic stats, standard share, OTA history, TOU electricity settings, maintenance checklist, vehicle digital passport (on-device viewing), geofence management, expense reports (5 free exports), DamageLens (monthly free quota; official trim may prefill configuration; on-device VIN OCR; flood-inspection checklist is informational only), road-trip logbook (check-ins, no subscription), Tesla info policy (server-delivered public excerpts), financing calculator (opens tesla.cn only), etc.
• Cloud membership: smart always-on logging & full history (including silent sync while locked for today’s mileage), analytics dashboards (hub directory first; a specific panel requires Cloud), battery health/value, vehicle health index, attribution & driving reports, passport PDF export and optional cloud backup, vehicle-alert AI rewrite and follow-up (library facts only — not a diagnostic system), family share, unlimited expense reports, parking stats, sync/backup, PDF/Excel, premium share, higher DamageLens quota, etc.
• Send Feedback via system Mail to the Operator.

First-run consent: On first launch the App shows a “Terms & Privacy” confirmation. You must tap “Accept & continue” to use the product; declining means you cannot use TeLog. Full rights, duties, and liability limits are in these online Terms and the Privacy Policy—not reduced by the short in-app summary.

Fees: Free features do not charge Operator-side fees. Cloud, if subscribed, is billed by Apple App Store at listed prices. Accepting the policies and using free features does not create any claim for fees, compensation, or damages against the Operator (Wenling Xinhe Yijia Software Development Studio (sole proprietorship)), except non-excludable liability (see §11).

Features may change without reducing paid entitlements improperly; material changes will be reasonably notified. App + App Store listings control.

3. Data source & on-device default

• Vehicle data only via official Tesla authorization (OAuth / Fleet API)—no unofficial scraping. Official trim identifiers (e.g. trim_badging) may be read once and stored on-device to prefill DamageLens configuration.
• Default storage is on your device; optional cloud needs separate consent.
• Token exchange may use our HTTPS proxy; telemetry is fetched by the App directly in the default mode.
• If you enable cloud collection, Apple APNs may silently wake the App so gap-fill (including today’s mileage) can merge on-device. The device token is used only for that purpose (see Privacy Policy).

4. License & restrictions

We grant a personal, revocable, non-transferable, non-exclusive, non-sublicensable license to install and use the App on Apple-permitted devices for non-commercial personal vehicle archiving.

You may not: use unlawfully; reverse engineer or bypass subscription protections (except as mandatory law allows); disrupt Tesla/Apple/maps services; scrape/resell data commercially; impersonate Tesla/Operator; use outputs as professional appraisal/litigation evidence without credentials.

5. Your responsibilities

• Use Tesla and Apple accounts you own or are authorized to use.
• Protect devices and credentials; losses from your disclosure/device loss are yours (unless we are at fault).
• Connecting a vehicle confirms you may authorize Fleet API access for that vehicle.
• Read disclosures before cloud / family sharing; assess risks yourself.
• Vehicle commands must be used safely/lawfully; outcomes are your responsibility except where law says otherwise.
• Comply with Tesla, Apple, Amap, and other third-party terms.

6. Cloud membership

• Monthly com.jchen.Telog.plus.monthly (about ¥18/mo) · Yearly com.jchen.Telog.plus.yearly (about ¥198/yr)
• New users may receive a limited-time free trial. The trial length is as shown on the App Store page. A trial that had already started before 13 October 2026 continues under the trial terms that applied when it started.
• Auto-renew unless cancelled ≥24h before period end in Apple ID → Subscriptions
• After expiry: free on-device features remain; Cloud-only features pause; local data is not deleted
• Apple Family Sharing (if enabled on the product) ≠ in-app family vehicle sharing
• Refunds only via Apple; Operator cannot refund directly

7. Intellectual property

App software/UI/docs and TeLog marks (except third-party assets) belong to the Operator or licensors. Tesla marks belong to their owners. Your authorized vehicle data is governed by Tesla’s terms and law; you retain rights to exports and your own inputs. You grant us a limited license to process data to provide the service as described in the Privacy Policy.

8. Informational reports

Battery health/value, driving behavior, energy attribution, range estimates, vehicle-alert lookup and AI explain, and DamageLens estimates are informational only—not professional inspection, Tesla official diagnosis, repair orders, road-safety instructions, insurance appraisal, litigation evidence, or transaction promises. Decisions are yours.

On-device alert lookup and photo OCR are free. Vehicle-alert AI explain/follow-up is Cloud-only: the on-device library is the fact source; AI only rewrites language and must not invent causes or parts, or promise free replacement, official warranty, or fast claims. It uses Tongyi text models via TeLog China servers, isolated from DamageLens vision analysis. DamageLens VIN OCR stays on-device. A flood/water checklist in a report is not an official flood inspection.

Tesla info policy is free. OTA / sales / after-sales excerpts may lag tesla.cn and are not Tesla purchase offers or financing approvals. The financing calculator opens only https://www.tesla.cn/financing-calculator; Tesla’s site terms apply after you leave the App. On-device software-update history omits a calendar date because TeLog only records the first observed car_version change, not Tesla’s official install day.

9. Privacy

Personal information is governed by the Privacy Policy, incorporated by reference. On-device default; optional cloud needs separate consent.

10. Termination

You may stop anytime (uninstall, wipe, cancel subscription). We may suspend/terminate for breach. Paid fees are non-refundable except via Apple. Survival: IP, disclaimers, liability limits, indemnity, governing law.

11. Disclaimer & liability cap

12. Indemnity

You will indemnify the Operator for reasonable losses arising from your breach, misuse, third-party IP claims caused by you, or illegal use—unless caused solely by the Operator’s willful misconduct or gross negligence.

13. Governing law

• Laws of mainland China (PRC), excluding conflict-of-laws rules.
• Negotiate in good faith; else sue in a court with jurisdiction over the Operator’s domicile.
• You may also complain to competent consumer or cyberspace authorities where available.

14. Changes

We may update these Terms with a new effective date. Material changes will be reasonably notified. Continued use means acceptance; otherwise stop and delete data.

15. Apple terms

16. Contact

Tesla dashcam clips, added 3 November 2026 (App 2.0.2)

This section only adds today’s additions. It does not replace or delete the clauses above, and it does not change vehicle commands, subscription products, Life features, or the existing vehicle terms.

• Tesla dashcam clips: Open the Stats tab. After you choose one video, TeLog parses it on your device. The video, the parsed result, and the PDF are not uploaded to the operator’s server.
• Obtaining the video: AirDrop is preferred. Send the original MP4 dashcam clip from the Tesla vehicle’s USB drive to the phone, so the original format and the source file size are kept. When downloading through WeChat, choose the original video. Only that choice keeps the true size of the source file. A file sent from a computer through WeChat and then downloaded to the phone may change format. If the format changes and the source file size stays the same, the app supports it and can parse it. If the source file size is not preserved, parsing is not guaranteed.
• Videos that are accepted: Only a dashcam clip from the Tesla vehicle’s original USB drive is supported. A single original MP4 from the vehicle is preferred. The file must not exceed 81,000,000 bytes (81MB). The duration must not exceed 61 seconds. A clip on that drive is ordinarily about 60 seconds. A file over that size or duration is not read. Acceptance after a WeChat transfer is stated under “Obtaining the video.”
• Videos that are not supported: Composite videos, edited videos, spliced videos, and videos whose file size has changed because of compression or transcoding are not supported. Those files are not guaranteed to parse, and no driving-data report is provided for them. A WeChat download that changes only the file format, while the source file size stays the same, is governed by “Obtaining the video.”
• Design basis: Vehicle-data fields are arranged according to Tesla’s publicly available SeiMetadata data structure and the corresponding field definitions. The parsing program is implemented by TeLog and runs only on the user’s device.
• Driving-data report: After parsing, you may export a PDF on the device, open a preview, and then share it yourself. The report is for your personal reference. It does not replace the vehicle display or service-center advice, and it cannot by itself be used for accident appraisal, assignment of liability, or an insurance claim.
• Usage: A free account may parse 2 times and export 2 reports in each calendar month. The two counts are separate and are restored in the next calendar month. An active trial, monthly plan, or yearly plan is unlimited and does not use those free counts. After membership ends, the free counts apply. A file in the wrong format, or a file that cannot be read, does not count as a parse. A file that has been read but does not finish parsing because it is too long, lacks readable vehicle data, or fails for another reason counts as one parse. A PDF that is not generated, or a preview that does not open, does not count as an export. Once the preview opens, one export is counted.

Warranty reminders, added 31 October 2026 (App 2.0.1)

This section only adds today’s additions. It does not replace or delete the clauses above, and it does not change other Life features, vehicle commands, subscription products, or the existing vehicle terms.

• Vehicle warranty reminder: Life → Car. No subscription is required. You enter the warranty start date. It is not inferred from the VIN or an invoice. When the vehicle is linked, the feature uses the current odometer already on the device and applies 4 years or 80,000 km, whichever comes first. That measure is Tesla’s official warranty rule. The date, any optional extended warranty, and the reminders stay on the device. When the vehicle is not linked, the odometer is not shown. The feature does not change the vehicle record. It is not a repair promise or a basis for a claim. If Tesla later changes the rule, Tesla’s then-current official terms and the documents for that vehicle prevail.
• Battery and drive unit warranty reminder: Life → Tools. You enter the vehicle delivery date. The high-voltage battery and the drive unit share it. It is not inferred from the VIN. When the vehicle is linked, the official configuration code already on the device is read first. Without one, the full-charge range must agree with the built-in rated-range and pack-size references before 160,000 km is separated from 192,000 km. If it still cannot be confirmed, you may choose it on this page. That choice does not change the vehicle record. The term is 8 years. The mileage limit is 160,000, 192,000, or 240,000 km for the confirmed configuration, whichever comes first. Battery and drive unit reminders are separate. The current battery-health figure is shown only with an active Cloud membership. Without a subscription, only that number is hidden. The rest of the page is free. Reminders stay on the device and do not change the vehicle warranty reminders. This feature is not a Tesla official warranty determination, a capacity promise, or a basis for repair. The applicable Tesla terms and the documents for that vehicle prevail.

Life, added 28 October 2026 (App 2.0.0)

This section only adds today’s additions. It does not replace or delete the clauses above. Life features do not change vehicle commands, subscription products, or the existing vehicle terms.

• Available without a subscription: tax calculator, repayment calendar, step one of the MBTI personality-preference test, English practice, driving-test handbook, licence manager, 21-day workout check-in, calendar and holidays, and file conversion.
• Tax calculator and repayment calendar: results are calculated on the device from numbers you enter. They are for personal reference only and do not constitute a tax filing, tax advice, a loan commitment, or a financial-institution service.
• MBTI personality-preference test: step one is free. Step two requires an active Cloud membership. The items are this app’s own 145 preference items. They are not a psychological or medical diagnosis.
• Homework and olympiad practice start only after you turn on the Tongyi AI server and send the request yourself. Homework counts successful solves: 50 per calendar month free, 150 per calendar month for monthly and yearly Cloud members. Olympiad practice counts successful generation requests: 20 per calendar month free, 100 per calendar month for members. Both reset each calendar month; there is no yearly pool. Answers are for study reference only, are not guaranteed correct, and do not constitute an academic evaluation.
• Checkup readings are sent only with your consent and at your request. Free use is 2 successful readings per calendar month. A valid trial, monthly membership, or yearly membership has unlimited readings. Saving, viewing, and comparing history requires a valid membership. After expiry, further access is restricted and saved reports are not deleted automatically. This comparison is provided for reference only. It does not constitute a medical diagnosis, a treatment plan, or a basis for medication, and it does not replace an examination by a medical institution or the clinical judgment of a licensed physician. If there is any question regarding the results, or if physical discomfort occurs, please proceed to a hospital promptly for further examination. The operator does not provide medical advice and does not practice medicine. The report is chosen and uploaded by the user. The reading is generated by the Tongyi artificial-intelligence model for the user's personal reference only.
• Driving-test handbook and licence manager are not connected to a traffic authority and do not confirm an examination result, the validity of a licence, or an administrative matter.
• Workout check-in, calendar and holidays, English practice, and file conversion: records, reminders, and converted files are for personal use. A workout record is not training or medical advice. If a holiday display differs from an official notice, the official notice prevails. You must have the right to process any file you convert.

Additions from 18 October 2026 (App 1.1.3)

This section only adds today’s additions and improvements. It does not replace or delete the clauses above.

• Vehicle configuration lookup: This is a lookup within Car assistant. The user may open the current vehicle’s Tesla parts catalog and look up the heat-pump compressor brand. The applicable models are Model 3, refreshed Model 3, Model Y, refreshed Model Y, and Model YL. The lookup is available only for the vehicle currently authorized.
• Heat-pump compressor brand: This feature provides reference information on the brand of the heat-pump compressor. The identification rule is based on publicly available vehicle service documentation and compressor part numbers: prefix 1501256 corresponds to DENSO, and prefix 1582668 corresponds to Sanden. The correspondence is recorded in publicly available Model 3 heat-pump compressor service notes concerning compressor-type configuration. Tesla’s service manuals are used to verify the compressor assembly and the part number, namely the 2020–2024 Model Y Compressor (Remove and Replace) page and the 2017–2023 Model 3 Compressor (Heat Pump) (Remove and Replace) page. These Terms do not reproduce the removal and replacement steps contained in those documents. Sources, applicable models, and accuracy may differ. The specific identification shall be determined by the part information that can actually be verified. The brand identification is generated by a Telog rule compiled from those references. It does not constitute a Tesla official lookup, an official certification, or the manufacturer’s confirmation of the part originally fitted to the vehicle. Production batch, configuration, and subsequent replacement may affect the identification. This feature is provided solely for vehicle-information lookup and reference. It does not constitute advice to purchase, repair, or replace a part. Where actual service or part fitment is concerned, the official service information for that vehicle, a verified part number, or confirmation by a qualified technician shall prevail. Tesla, DENSO, Sanden, and related marks belong to their respective owners. Except where expressly stated, no official authorization, certification, or partnership with those brands shall be understood to arise from this feature.
• Actual fitment and an auxiliary check: Tesla may vary heat-pump compressor fitment between DENSO and Sanden on some vehicles. This feature looks up the part number only in Tesla’s public parts catalog and provides a reference result. Where that result differs from the compressor actually fitted, including where the catalog result is DENSO and the vehicle is fitted with Sanden, the actual fitment prevails. The user may open Cabin Overheat Protection under temperature in the official Tesla app as an auxiliary check. As of 18 October 2026, a display of 30°C, 35°C, or 40°C on that screen corresponds to DENSO. That correspondence is limited to the official Tesla app display as of 18 October 2026. If Tesla later changes the official display or explanation, Tesla’s then-current official display and explanation prevail. That display does not constitute purchasing or repair advice.
• Home connection entry: Where a Tesla account has not been connected and this device has not yet stored a vehicle, the home status “Connect your Tesla account first” may be selected to open Connect vehicle. After the account has been connected or a vehicle has been stored on the device, that status no longer provides navigation. This does not change the existing scope of authorization.

From 13 October 2026: limited-time free trial (effective that day)

This section only adjusts the wording of the Cloud limited-time free trial. It does not replace or delete the other clauses above. Price, auto-renewal, cancellation, and refund terms are unchanged.

• New users: From 13 October 2026, new users may receive a limited-time free trial. These Terms do not state a fixed number of days. The trial length is as shown on the App Store subscription page at the time. Apple decides whether that Apple ID is eligible. When the App Store does not offer an introductory trial, the subscription page does not display a trial.
• Trials already started: A trial that had already started before 13 October 2026 continues under the trial terms that applied when it started. This change does not shorten, extend, or reschedule it.

Additions from 12 October 2026 (App 1.1.2)

This section only adds today’s improvements. It does not replace or delete the clauses above.

• Analytics dashboards: The user may open the analytics dashboard directory first. Opening that directory does not authorize use of every item. When the user selects a specific item, the App then prompts for a Cloud subscription. Local storage statistics do not require a subscription. They display only this device’s database and do not constitute a test, a diagnosis, or an official conclusion.
• Cloud collection (24/7): During a valid trial or paid subscription, cloud collection that the user has already enabled continues. It is disabled only after the trial or subscription expires. While membership remains valid, launching the App alone does not disable it. Disablement on expiry follows the existing terms. After the user obtains a valid subscription again, the user must enable it again. Existing price, auto-renewal, and cancellation terms are unchanged.
• Membership comparison: The Cloud membership page lists Cloud collection (24/7) as a separate item: not included in the free plan, and included in the Cloud plan. Analytics dashboards are listed as 20 items and do not include Local storage statistics. The comparison states scope only and does not change the existing free or Cloud status of each item.

Additions from 11 October 2026 (App 1.1.1)

This section only adds today’s additions and improvements. It does not replace or delete the clauses above.

• Tesla environmental info sheet: A lookup in Car assistant. After authorization, tap Current vehicle to fill the VIN, or type it yourself; you type the verification characters. The result is that vehicle’s own EV environmental information sheet, which you can open online or download. Values differ by model and configuration. The sheet usually includes vehicle information (model, trademark, class, nameplate location, manufacturer, factory address); inspection information (standard, testing body and result, factory inspection, production conformity); pollution-control information (drive unit, vehicle controller, energy storage, and battery capacity / range); and manufacturer information (legal representative, address, telephone, and lookup links). TeLog does not write or alter the sheet. This feature is only for the user to look up their own sheet, and is not used for any other purpose. It is not a test, certification, inspection, compliance promise, valuation, or Tesla’s official conclusion. The sheet and the public information of the authority or manufacturer prevail. This feature does not require a subscription.
• Cloud trial length: The trial length on the membership page follows the App Store. When the App Store does not offer an introductory trial, the App subscription page does not display a trial. The length, and whether that Apple ID is eligible, follow the App Store introductory offer. Existing price, auto-renewal, and cancellation terms are unchanged.
• Optional QQ Mail on feedback: You may leave a QQ Mail address when sending feedback. It is optional and used only to contact you. It does not widen data collection under this agreement.

Additions from 8 October 2026 (App 1.1.0)

This section only adds today’s change. It does not replace or delete the clauses above.

• Tesla Skin (improved): When the authorized vehicle is identified as a Model YL, wraps whose filenames say “适用 Model Y L” are shown on their own, under the title Model YL, and are not listed with ordinary Model Y skins. Download, save, and the user’s own sync to the car through the official Tesla App Photo Booth (upload) stay as agreed on 30 September 2026 and 6 October 2026. This version does not change vehicle settings and does not add a new vehicle command.

Additions from 6 October 2026 (App 1.0.9)

This section only adds today’s items. It does not replace or delete the clauses above.

• Tesla operating results: You may read Tesla’s published production and deliveries, operating progress, and outlook, and open the official addresses below. Category names are fixed in the App; bodies are sent by the server. Disclaimer: content is from published reports, official records, and Tesla’s outlook. For reference only. It is not investment advice, a securities recommendation, a promise of returns, an official Tesla commitment, an offer to purchase a vehicle, or approval of a finance plan. After you open a third-party site, that site’s terms apply. TeLog does not promise the page will stay available or match the in-app summary.
• Official addresses:
  • https://ir.tesla.com/sec-filings — Tesla IR SEC filing library. When this note was written: 2 Oct 2026 8-K, 29 Sep 2026 8-K, 9 Sep 2026 Form 4, 8 Sep 2026 Form 144, 22 July 2026 10-Q, 22 July 2026 8-K, Schedule 13G/A, and SD Specialized Disclosure Report. Filings can usually be opened as SEC HTML or PDF. The live page controls the list.
  • https://www.sec.gov/edgar/browse/?CIK=1318605 — SEC’s official Tesla archive: 10-K, 10-Q, 8-K, Proxy / DEF 14A, insider transactions, and Schedule 13D / 13G.
  • https://ir.tesla.com/#quarterly-disclosure — Quarterly Disclosure: Earnings Date, Press Release, Shareholder Deck, Webcast with Q&A, SEC Filing, Production & Delivery, and Consensus on Tesla’s page. Consensus is not a TeLog forecast or investment advice.
• Tesla Skin (improved): Skins match the current authorized vehicle’s model and hardware version and can be saved to Photos. Hardware is read from vehicle_config.driver_assist in the official Fleet API vehicle_data response. Until it is read, the label is HW--. A sleeping car is woken before the read; an awake car is read directly. TeslaAP4 is shown as HW4 and TeslaAP3 as HW3, then saved on this device. After the first successful read, the next visit shows the saved value and does not read the car again. If the first read fails, the label stays HW-- and the next visit tries once more. This match is also a prerequisite for a later FSD (Supervised) statistics feature. This version does not provide those statistics, investment tools, or vehicle commands. After a skin image is downloaded, the user syncs it to the car through the official Tesla App’s Photo Booth (upload). The 30 September 2026 Skin terms still apply.

Additions from 3 October 2026 (App 1.0.8)

This section adds the feedback change from this date and amends §11 on when our reply counts.

• App feedback: After Tesla is linked and you are signed in, Send Feedback automatically includes the current vehicle VIN (used only to diagnose App faults) and TeLog No. (used only for cloud diagnosis). You cannot edit them. It also states whether Cloud membership is active and whether 24/7 cloud collection is on. Phone number is optional; if provided, we may reach you at phone@139.com when email cannot be delivered. These items are sent only in the mail you choose to send and do not expand cloud collection.
• Reply time (protects the operator; §11): If the user’s mailbox is full or another receiving failure prevents delivery, whether the operator has fulfilled the duty to reply, and the time of that reply, are measured by the time the operator actually sent the message. A failure of the recipient’s mailbox is not treated as a failure to reply.

Additions from 3 October 2026 (App 1.0.7)

This section only adds capabilities from this date. It does not amend §§1–16 above.

• Tesla Automation: An in-car automation reference. It groups steps as arrival and voice, safety, battery and charging, windows, climate, and display, and lists each item’s actions, triggers, and conditions so you can create them yourself on the Tesla car screen. The text is a reference only. You create the automation on the car screen. TeLog does not send these commands to the car and does not make an official Tesla feature promise. Free.

Additions from 30 September 2026 (App 1.0.6)

This section only adds capabilities from this date. It does not amend §§1–16 above.

• Tesla Skin: Browse wraps for the current authorized model, search, and save a photo on this device. It does not change vehicle settings and does not sync a wrap to the car. Images are for viewing and saving only. They are not an official Tesla wrap, warranty, or appearance promise. Tesla Skin is currently open only for Model 3 and Model Y. Model S and Model X skins are not available yet and will wait for a later update.
• Battery charge cycle:
  • Purpose. The screen gives owner steps by chemistry and, while you record a step, stores the vehicle overview at that time. The battery management system (BMS) checks state of charge (SOC) from open-circuit voltage (OCV) and brick voltage when the car is resting, current is near zero, or the contactors are open. The voltage–SOC curve carries more information at low SOC. A second check at high SOC reduces bias from calibrating at only one point. A full low-SOC and high-SOC cycle helps correct SOC error and CAC overestimation. When CAC is high, displayed range can read high, or the car can reach empty sooner. Whether SOC or CAC actually updates is controlled by the vehicle BMS.
  • Which chemistry. Use the LFP steps when the car or manual says lithium iron phosphate, or when the daily charge choices are mainly 50% / 100% and frequent 100% charges are recommended. Use the ternary steps when the pack is not LFP and daily use is mostly 80%–90% without a full charge every day. The screen can recognize chemistry from the Tesla authorization or you can choose it. Authorize the car first if it is not authorized. If chemistry cannot be confirmed, the screen asks you to confirm it and does not treat an unknown pack as a specific chemistry.
  • What is recorded. Tap Start recording, then End this step, or Skip. Recorded time opens that step’s data. The record is the overview already available: SOC, vehicle state, charging state, charge limit, charger power, charger voltage, inside and outside temperature, climate, preconditioning, Sentry, and cabin overheat protection. Records stay on this device per car and chemistry. Switching cars loads that car’s record. Clear this round deletes only this record. It does not change vehicle settings and is not uploaded.
  • What this screen does not do. It does not start or stop charging, change the charge limit, wake the car, or read or display internal BMS calibration flags, battery health, capacity, or a health score. Charging, unplugging, resting, and turning off Sentry, climate, seat heat, and cabin preconditioning are done by you on the touchscreen or in the Tesla app. During a rest, limit remote checks from this App and others, and avoid third-party keep-awake devices, so parasitic load stays low and the pack can actually rest. SOC and CAC can then update more accurately.
  • LFP. The voltage curve is flat, so remaining energy is harder to estimate from voltage alone, and displayed range jumps more easily. Keep the daily charge limit at 100%, and complete a true full charge at least once a week. Use the car to about 20% (exact is unnecessary; do not deliberately run to 0%), then park without charging, with Sentry and cabin overheat protection off and climate and preconditioning off, for at least 3 hours. Then set the limit to 100%. AC charging is suggested. Wait until the car stops by itself. If it is still charging after the screen shows 100%, do not stop it manually. Reduce high-voltage loads while charging. Do not drive off immediately. Rest at least 1 hour, preferably 2–3 hours. If range has been jumping, or the car was driven very low before charging, repeat a full charge and rest, and avoid staying in a narrow SOC band afterward. If the limit is confirmed at 100% and charging still stops before 100%, repeat the round. If it remains abnormal, book a Tesla service center. That is not an owner reset.
  • Ternary. The voltage curve supports estimation better, so frequent full charges like LFP are not required. Keep the daily limit at 80%–90%. About every 1–2 weeks, rest at both high SOC and mid-to-low SOC so SOC and CAC can be checked more than once. Before starting, confirm there is no related customer-visible BMS alert, park in a safe place, and use AC charging. At low SOC, use the car to about 20%, do not charge, turn Sentry and climate or preconditioning off, and rest at least 3 hours, overnight when practical, so the BMS can recalibrate SOC from brick voltage. At high SOC, charge to 80%–90%, wait for the car to stop, then rest at least 3 hours. After each charge to the set limit, if practical unplug and wait 30–60 minutes before driving, so you do not leave while voltage is still settling after charge current stops. During charging, reduce high-voltage loads such as climate and seat heat. About once a month you may temporarily set the limit to 100%, complete the charge, rest 2–3 hours, and return the limit to 80%–90% the next day. That full charge is a top-of-charge anchor, not a weekly requirement. Do not stay for long only in a narrow band, such as 40%–60%.
  • Report limits. The finished report is this round’s battery charge-cycle record. It only records the steps and the overview from this round, to help complete one low-SOC and high-SOC cycle. It does not mean the BMS finished calibration, and it does not show battery health, capacity, or a health score. A sudden drop or rise in displayed range after a rest is usually the estimate being checked. It is generally not a battery fault and not a parked energy leak. This feature is not a diagnosis, a repair order, a warranty, or a safety promise. If the vehicle shows any condition or alert, contact a Tesla service center promptly or call the Tesla hotline at 4009100707. For the steps above, Tesla official charging stalls are suggested.
• Maintenance price lookup: In Car assistant, look up repair and maintenance prices by model. Prices are on this device and do not read the VIN. The prices are Tesla’s official quotes. If they differ slightly, the Tesla service center prevails.

Additions from 25 September 2026 (App 1.0.5)

This section only adds capabilities and one expected-behavior note from this date. It does not amend §§1–16 above.

• Trips · tire pressure: Free. The Drives tab shows each tire’s pressure on a top-view car image, and stored history by date. Figures come from on-device records and are reference-only — not a tire-fault diagnosis or a safety promise.
• Teslalog Engineer: Answers from the authorized vehicle’s on-device data. Quota and the “reference-only, not a repair order” terms are unchanged.
• Charge schedule: Free. Charging starts at the time you set. An existing schedule can be edited, and after you save it the car uses the new time. Still no guarantee of utility rates, the car’s actual start, or a successful wake.
• Overview while cloud collect is off: Without a subscription and without Cloud collect, the App does not keep requesting vehicle status in the background, so Overview keeps the last driving state. If the car is already parked and the screen still says Driving, tap Wake to sync the current state. That is expected when Cloud collect is off. With Cloud collect on, parking is recorded in the background and Overview updates the next time you open the App.

New features from 22 September 2026 (App 1.0.4)

This section only lists capabilities shipped on this date. It does not amend §§1–16 above.

• Lock / unlock: Free. You send a vehicle command from Overview. Needs Tesla scope vehicle_cmds. Whether the car is locked follows the vehicle; on timeout, check in person. Do not remotely unlock in an unsafe situation.
• Charge schedule: Free. Writes charge schedules to the car (vehicle_charging_cmds). No guarantee of utility rates, actual start time, or successful wake.
• Charging health, Vehicle activity, long-trip reports: Free, from on-device records. Long-trip reports generate after a single drive of about 100 km. Informational only — not a battery or vehicle fault finding.
• Running cost & insurance details: Free. Insurance is entered by you and stored on-device. Cost figures are estimates (charging, maintenance, amortized premium, and fees you add) and exclude expense-report reimbursements and DamageLens estimates; not financial or tax advice.
• Recall lookup: Free. Queries Tesla’s official recall API by VIN. Results may lag; Tesla’s App / service center prevail.
• Teslalog Engineer: Usable without a subscription (10/calendar month); Cloud raises the cap (50/mo or 600/yr). Answers from your on-device vehicle data are reference-only — not diagnosis, repair orders, or official Tesla support.

Additions from 16 September 2026 (App 1.0.3)

This section only adds what was introduced on this date. It does not replace or delete the clauses above.

• Nearby charging: Free. Uses your authorized vehicle location via Tesla APIs to list nearby chargers and optional map/navigation handoff. No guarantee of stall availability, pricing, or third-party navigation accuracy.
• Vehicle feature toolbox: Model/year feature lookup and AI how-to. AI guidance requires Tongyi AI server and is quota-limited (about 10 free uses per calendar month; about 100 per month on the monthly plan and about 1,200 per year on the yearly plan, as shown in the App). Content is drawn from the corresponding materials and is reference-only. It does not replace the touchscreen, the official owner’s manual, or service-center advice.

Revision history