See also:

Underbody
Flush the complete underside of your vehicle frequently. Keep body and door drain holes free from packed dirt. ...

Inspecting your tires and wheel valve stems
Periodically inspect the tire treads for uneven or excessive wear and remove objects such as stones, nails or glass that may be wedged in the tread grooves. Check the tire and valve stems for hole ...

Cargo net
The cargo net secures lightweight objects in the cargo area. Attach the net to the loops and anchors provided. WARNING: This net is not designed to restrain objects during a collision. ...