See also:

Switching off
Press the button repeatedly until the LEDs go out. ...

After a power failure
Only put the parking brake into operation after a power failure The parking brake should only be put into operation again if it was manually released due to an interruption in the supply of el ...

Swapping the telephone and additional telephone
The function of the telephone and additional telephone can be swapped automatically. 1. "Telephone" 2. "Bluetooth® (phone)" 3. "Swap phone/addit. phone" ...