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Tesla app code reveals potential Apple Car Key support

MacDailyNews

Dec 29

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Apple's Car Key feature with a BMW (Image: BMW) — Apple’s Car Key feature with a BMW (Image: BMW)

A teardown of Tesla mobile app version 4.52.0 has uncovered multiple code references to “Harmony Wallet Key Cards” These strings indicate Tesla is developing support for system-level digital car keys, starting with integration for Huawei’s HarmonyOS Wallet in China.

The references specifically target Huawei’s ecosystem, aligning with Tesla’s practice of testing new features in the Chinese market first. No direct mentions of Apple Wallet or Google Wallet appear in the code. However, the underlying architecture for Harmony Wallet keys mirrors the technology used for Apple’s Car Key feature, which stores keys in the iPhone’s Secure Enclave and supports Express Mode.

Not a Tesla App:
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Tesla typically introduces features in the Chinese market first, so this could hint that Tesla plans to add native support for Apple and Android in the future.
The timing of this discovery is notable because it contrasts sharply with Tesla’s competitors in North America. Just this month, Rivian rolled out its 2025 Holiday Update (2025.46), which officially added native digital key support for Apple Wallet and Google Wallet.
Rivian’s implementation uses the Car Connectivity Consortium (CCC) standard, offering a host of benefits over a standard app-based Bluetooth key. That includes working on devices up to 5 hours after the battery has died, secure sharing over iMessage, WhatsApp, and Airdrop, as well as native watch support without a bespoke watch app.
With the Harmony Wallet code now present in the app, it proves Tesla is capable and willing to build these integrations. The question remains: is this an exclusive push for China, or a sign that Apple and Google Wallet support is finally on the roadmap?

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MacDailyNews Take: Last month, it was reported that Tesla is working to add Apple CarPlay to its vehicles, so additional support for Apple’s Car Key feature would make sense. Nobody cares about Android support, certainly not those in the market for a Tesla.

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[Thanks to MacDailyNews Reader “Fred Mertz” for the heads up.]

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