Problems with the cooling with air dehumidification function
When you press the 
button, the indicator
lamp in the button flashes three times or remains off. You can no longer switch
on the cooling with air dehumidification function.
X Consult a qualified specialist workshop.
See also:
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 ...
Compass
Calling up the compassInformation on operating the compass can be
found in the separate COMAND operating
instructions. ...