See also:

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Selecting a station
Press the knob if the sound output is switched off. 1.  "Radio" 2.  "FM" or "AM" 3.  Select the desired station. The selected station is stored ...

Preparation
1. Check whether the battery of the other vehicle has a voltage of 12 volts and approximately the same capacitance in Ah. This information can be found on the battery. 2. Switch off the engine ...