See also:

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. It maintains the speed that was set using the control elements on the steering wheel. The system brakes on downhill gradie ...

Active seat ventilation, front
The seat cushion and backrest surfaces are cooled by means of integrated fans. The ventilation rapidly cools the seat, e. g., if the vehicle interior is overheated or for continuous cooling at ...

DOT Quality Grades
Treadwear Traction AA A B C Temperature A B C Conform to Federal Safety Requirements All passenger car tires must conform to Federal Safety Requirements in addition to these grades.◀ ...