See also:

Disconnecting an external device
The external device is automatically disconnected from the audio system if it is moved out of range ...

Automatic connection
When the Bluetooth® function is active and the most recently paired device is within range, it is automatically connected. When the infotainment system searches for the most recently paired de ...

Immobilizer (start inhibitor)
Each of the keys supplied with your vehicle contains a coded transponder. The code in the key is transmitted to an antenna in the ignition slot where it is compared to the code stored in the start ...