Google's digital car key feature lets Android users unlock and start their vehicles using Google Wallet instead of physical keys. Available since Android 12 launched in 2021, the system stores encrypted key data on compatible smartphones and communicates with cars via Bluetooth, UWB, or NFC connections. Most modern premium vehicles support the feature, including select models from Kia, BMW, and Volvo.

Digital car keys offer security advantages over traditional fobs, which remain vulnerable to relay attacks that amplify signals from distant keys. UWB technology prevents unauthorized access by requiring the phone to be physically near the vehicle before unlocking. The system also leverages existing phone security measures like passcodes and biometrics to protect your vehicle data.

Setup varies by manufacturer. Some brands provide direct app integration, while others send email invitations or enable in-car display configuration. Users need Android 12 or later, Google Wallet installed, and a Google Account to begin. Compatible phones include Pixel 6+, Samsung Galaxy S26 series, and OnePlus 15 devices.

Despite enhanced security, risks remain. Losing a phone with digital keys increases vulnerability, especially without strong authentication enabled. Software issues could lock users out of their vehicles. Google recommends keeping physical keys as backup and disabling passive entry to require intentional unlocking. The feature represents a practical but imperfect shift toward smartphone-centric vehicle access.