See also:

Increasing or decreasing vehicle speed
Specify desired speed in the range from approx. 4 mph/6 km/h to approx. 15 mph/25 km/h using the rocker switch of the cruise control on the steering wheel. Vehicle speed can be changed by light ...

Switching on/off manually
Press the button. ...

Trip computer
There are two types of computer. "Onboard info": the values can be reset as often as necessary. "Trip computer": the values provide an overview of the current trip. ...