See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning me ...

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

Hazard warning lamps
The hazard warning lamps automatically switch on if: - an air bag is deployed. - the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. - To switch on ...