QR code: avoid unnecessary replacement of your Sleeping Battery
![](https://www.carlocksystems.com/wp-content/uploads/2024/02/qr-code-op-batterij.jpg)
It is common for car companies to replace the car key battery out of service during a minor or major service.
Make sure it is visible that the key is Relay Attack protected! You will receive a sticker with a QR code with your order as standard. Stick it on the back of the sleeping Battery and avoid unnecessary battery replacement.