See also:

HomeLink universal transceiver (if so equipped)
The HomeLink Universal Transceiver provides a convenient way to consolidate the functions of up to three individual hand-held transmitters into one built-in device. HomeLink Universal Transceiver: ...

Trailer hitch
Choose a proper hitch for your vehicle and trailer. Make sure the trailer hitch is securely attached to the vehicle, to help avoid personal injury or property damage due to sway caused by crosswind ...

Tire Pressure Monitoring System (TPMS) (if so equipped)
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire ...