See also:

Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent power supply. The permanent power supply is supplied via trailer socket pin 4. You can connect accessories with a m ...

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. ...

Setting the specified minimum distance
WARNING It is up to the driver to exercise discretion to select the appropriate setting given road conditions, traffic, driver's preferred driving style and applicable laws and driving recom ...