See also:

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors. ...

For US customers
The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediate ...

Switching on/off and interrupting cruise control
Switching on Press the button on the steering wheel. The indicator lamps in the instrument cluster light up and the marking in the speedometer is set to the current speed. Cruise control c ...