See also:

Wheels and tires
...

Safety chains
Always use suitable safety chains between your vehicle and the trailer. The safety chains should be crossed and should be attached to the hitch, not to the vehicle bumper or axle. Be sure to lea ...

Cargo net (if so equipped)
WARNING: - Properly secure all cargo with ropes or straps to help prevent it from sliding or shifting. In a sudden stop or collision, unsecured cargo could cause personal injury. - Be sure ...