See also:

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

Important safety notes
WARNING Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, ...

Storing the crosshair position in the list of previous destinations
Route guidance not active A crosshair appears on the map if you have moved the map manually. You can store the crosshair position as a destination in the list of previous destinations. To sho ...