See also:

Defrosting the windshield
You can use this function to defrost the windshield or to defrost the inside of the windshield and the side windows. You should only select the defrosting function until the windshield is cl ...

Problems with the steering wheel heating
The steering wheel heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - S ...

Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government ...