See also:

CBC Cornering Brake Control
When braking during curves or when braking during a lane change, driving stability and steering response are improved further. ...

Releasing
With the ignition switched on: Automatic transmission: Press the switch while the brake is pressed or transmission position P is engaged. The LED and indicator lamp go out. The parking bra ...

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...