See also:

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...

Activating/deactivating Blind Spot Assist
You can use the Blind Spot Asst. function to activate or deactivate Blind Spot Assist or Active Blind Spot Assist. Press or on the steering wheel to select the DriveAssist menu. Press ...

Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. PA ...