See also:

Deactivation
Move the gear selector from R to another position. There is a slight delay in the PAC system, which means that the view from behind the vehicle will remain on the screen for approximately 15 secon ...

Standby mode due to action by the driver
ACC is temporarily deactivated and put in standby mode: when the brakes are applied if the driver's seat belt is taken off If the driver's door is opened if the gear selector is move ...

Cleaning the seat belts
Clean only with lukewarm water and a mild soap solution. ...