See also:

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

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 lightl ...

Start/Stop button
Pressing the Start/Stop button switches radio readiness or the ignition on or off. Manual transmission: if you press the Start/Stop button and depress the clutch, the engine starts. Automatic ...