See also:

Front fog lamps
Only vehicles with front fog lamps have the fog lamps function. WARNING If you suspect that driving conditions will be foggy, turn the light switch to before you start your journey. Other ...

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs:  - ...

Active Lane Keeping Assist
Important safety notes Active Lane Keeping Assist monitors the area in front of your vehicle by means of a camera at the top of the windshield. Active Lane Keeping Assist detects lane markings ...