See also:

Detachable trailer hitch (accessory)
Detachable trailer hitch (accessory) a Ball holder b Locking bolt c Cotter pin d Hitch assembly e Safety wire attachment ...

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 ...

Geartronic–manual shifting
Geartronic allows you to manually shift among your vehicle's six forward speeds. Geartronic can be selected at any time. To access the manual shifting position from Drive (D), move the gear ...