See also:

Introduction
Your vehicle is equipped with tires according to the vehicle's tire information placard on the B-pillar (the structural member at the side of the vehicle, at the rear of the driver's door open ...

Activation
PAC is activated when the gear selector is moved to R if the system is selected in the MY CAR menu system or by pressing the CAM button in the center console. See page 133 for a description ...

Operating the tailgate manually
The power tailgate can be disconnected from the vehicle’s electrical system by quickly pulling the outer handle twice. The tailgate can then be opened/closed manually. ...