See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without the brakes being applied, the vehicle moves at slightly more than twice walki ...

Phone book
Displays The phone book accesses the contacts and shows all contacts for which a phone number has been stored. The entries can be selected to make a call. 1. "Telephone" 2. "Ph ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...