Safety chains
Always connect the trailer’s safety chains to the hook retainers on the vehicle. To connect the trailer’s safety chains, cross the chains under the trailer tongue and allow slack for turning corners.
If you use a rental trailer, follow the instructions that the rental agency gives to you.
Do not attach safety chains to the bumper.
See also:
Hitches
Do not use a hitch that clamps onto the vehicle’s bumper or attaches to
the axle. You must distribute the load in your trailer so that 10–15% of
the total weight of the trailer is on the tongue. ...
Damage
Periodically inspect the tire treads and sidewalls for damage (such as
bulges in the tread or sidewalls, cracks in the tread groove and
separation in the tread or sidewall). If damage is observed ...
All-wheel drive (awd) system (if equipped)
Your vehicle may be equipped with a full-time all-wheel drive (AWD)
system. The AWD system is an active system, meaning it not only
responds to wheel slip between the front and rear axles but also ...