See also:

General information
Lamps and bulbs make an essential contribution to vehicle safety. The manufacturer of your vehicle recommends that you entrust corresponding procedures to your service center if you are unfamil ...

Malfunction
The cooler cannot be switched on or switches off, e.g., when the cooling system overheats or if the battery voltage is low. One of the LEDs flashes. Remedy the problem 1. If necessary, allow t ...

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. The speed specified using the lever on the steering column is maintained. The system brakes on downhill gradients if engin ...