See also:

Setting a speed
WARNING Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments. Increase or decrease the set vehicle speed to a value that the prevailing road cond ...

Rejecting or ending a call
Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...

Safety
Antilock brakes have Brake Assist for automatic full-power braking in panic stops. Electronic brake-force distribution enhances stability when braking in curves. ...