See also:

Weight Distributing Hitches and WeightCarrying Hitches
When using a weight-distributing hitch, the hitch must be adjusted so the distance (A) remains the same both before and after coupling the trailer to the tow vehicle. If you use a step-bumper hi ...

Engine Cooling when Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating. ...

Exit Lighting
The headlamps, taillamps, parking lamps, back-up lamps, and license plate lamps come on at night, or in areas with limited lighting, when the key is removed from the ignition. The dome lamps ...