See also:

Rejects or ends a call
Press the button on the steering wheel. If you are not in the Telephone menu, you can still reject or end a call. ...

Canceling Parking Guidance
Press the PARKTRONIC button on the center console. Parking Guidance is canceled immediately and PARKTRONIC is deactivated. Parking Guidance is canceled automatically if it is no longer poss ...

Making adjustments in 1 mph (Canada: 1 km/h) increments
Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...