See also:

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

Pedestrian recognition
WARNING Pedestrian recognition may be impaired or inoperative if:  - pedestrians are partially or entirely obscured by objects, e.g. parked vehicles.  - the silhouette of the pede ...

Important safety notes
WARNING The PARKTRONIC is a supplemental system. It is not intended to, nor does it replace, the need for extreme care. The responsibility during parking and other critical maneuvers always ...