In the Tesla app, choose Phone Key > Upgrade and follow the instructions. After setup, keep your iPhone Settings for Nearby Interactions on for Tesla. Requires iPhone 11+ and Tesla app 4.29.5+.

The latest Tesla software adds Ultra Wideband support (UWB) to improve the function of the built-in Phone Key feature in the Tesla app (via Tesla North).

A new undocumented feature in Tesla's 2024.2.3 software update is support for Apple iPhone's Ultra-Wideband (UWB) chip to improve Phone Key accuracy ...

It requires Tesla 3.6.0 on iOS or Android and the vehicle firmware 18.39 (version 9). You simply have to click “share” after finding a location in the app and share with the Tesla mobile app ...

So in a pinch, Tesla owners can still use that to get into their cars and start them. If properly set up, the phone can also connect directly to the car without going through the Internet server.

Tesla is rolling out a major update for its iOS smartphone app with new controls, improved management and cool visuals. Version 4.0 also gives you the choice between two different sized widgets ...

Tesla owners will soon find unlocking their electric car will be easier using their iPhone, with the car maker rolling out Ultra-Wideband support that will improve the mobile app experience.