See also:

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

Turn signal lamps/side marker lamps
Switch off the lights. Open the hood. Remove the headlamp cover (). Left-hand headlamp: detach the washer fluid reservoir (). Turn bulb holder 1 or 2 counterclockwise and pull it out. W ...

Problems with the seat heating
The seat 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. Switch off e ...