See also:

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be starte ...

Tow-starting (emergency starting)
Vehicles with automatic transmission must not be started by tow-starting. This could otherwise damage the transmission. ...

Deleting a destination or the home address from the destination memory
To activate navigation mode: press the function button once or twice. To show the menu: press the COMAND controller. Select Destination in the navigation system menu bar by turning t ...