See also:

Traction AA A B C
The traction grades, from highest to lowest are AA, A, B, and C. The grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government tes ...

Hitches
Do not use a hitch that clamps onto the vehicle’s bumper; use a load-carrying hitch. You must distribute the load in your trailer so that 10–15% of the total weight of the trailer is on the tongue ...

Guarding against exhaust fumes
WARNING: If you smell exhaust fumes inside your vehicle, have your dealer inspect your vehicle immediately. Do not drive if you smell exhaust fumes. Carbon monoxide is present in exhaust fumes. ...