See also:

Redialing
The on-board computer saves the last names or numbers dialed in the redial memory. Press the or button on the steering wheel to select the Tel menu. Press the button to switch to the ...

Restoring the factory settings
- Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Problems with the steering wheel heating
The steering wheel heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - S ...