See also:

Brake Assist System (BAS)
The BAS is designed to optimize the vehicle’s braking capability during emergency braking maneuvers. The system detects an emergency braking situation by sensing the rate and amount of brake appli ...

General failure indication
The warning light on the dial comes on when a failure is detected. ...

At the filling station
Make sure that the left-hand sliding side door is completely closed before refueling. You could damage the door and the sliding lock system which comes into play when the fuel flap is open. Y ...