See also:

Locking and unlocking
Pressing the buttons locks and unlocks the doors and the trunk lid when the front doors are closed, but they are not secured against theft. The fuel filler flap remains unlocked. ...

Calling up the desired speed and distance
While driving Press the button with the system switched on. In the following cases, the stored speed value is deleted and cannot be called up again: ▷ When the system is switched off. & ...

Buckling the belt
Buckling the belt Make sure you hear the latch plate engage in the belt buckle. ...