See also:

Charging the battery
In the vehicle, only charge the battery via the terminals in the engine compartment, with the engine switched off. ...

Status display
The current status of the Flat Tire Monitor can be displayed on the Control Display, e.g., whether or not the FTM is active. 1. "Vehicle Info" 2. "Vehicle status" 3. " ...

Opening the tone settings in the Options menu*
1. "CD/Multimedia" or "Radio" 2. If necessary, select additional entries, for example, "FM" or "CD/DVD". 3. Open "Options". 4. "Tone" ...