Digital car keys on Android devices, introduced with the release of Android 12 in 2021, allow users to unlock and even start compatible vehicles using Google Wallet. This feature enhances convenience by enabling smartphone users to replace traditional keys, following a similar rollout by Apple with its CarKey feature. Depending on the car manufacturer's specifications, users can access various functions beyond basic unlocking.
The implementation of this technology is built upon a standard established by the Car Connectivity Consortium, which first introduced its "Digital Key" standard in 2018. This standardization has facilitated secure connections between smartphones and vehicles using Bluetooth, Ultra-wideband (UWB), and Near Field Communication (NFC) technologies.
As digital car keys continue to evolve, the ability to share access through a simple text message allows users to send their car keys to others, including those with iOS devices. Understanding these features can enhance security and usability, ensuring a safer experience for both drivers and their vehicles.