See also:

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 ...

Trailer brakes
Be sure your trailer conforms to all applicable local and Federal regulations regarding trailer braking. If your trailer is equipped with electronically-controlled brakes you will need to have an ...

Special operating conditions
If you operate your vehicle primarily in any of the following conditions, you need to perform additional maintenance as indicated. If you occasionally operate your vehicle under any of these condi ...