Lights and windshield wipers

See also:

Lights
Display messages about LEDs: This display message will only appear if all LEDs have failed. ...

BAS (Brake Assist System)
Observe the "Important safety notes" section  . WARNING If BAS is malfunctioning, the braking distance in an emergency braking situation is increased. There is a risk of an accident ...

Speedtronic
Important safety notes WARNING If you rest your foot on the brake pedal while driving, the braking system can overheat. This increases the stopping distance and can even cause the braking system ...