See also:

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:  - ...

Driving on wet roads
Hydroplaning If water has accumulated to a certain depth on the road surface, there is a danger of hydroplaning occurring, even if:  - you drive at low speeds.  - the tires have ad ...

Headlamp cleaning system
The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running ...