See also:

Periodic Safety Checks You Should Make Outside The Vehicle
Tires Examine tires for excessive tread wear and uneven wear patterns. Check for stones, nails, glass, or other objects lodged in the tread or sidewall. Inspect the tread for cuts and cracks. I ...

Frontal Area
The frontal area is the maximum height multiplied by the maximum width of the front of a trailer. ...

Cooling System – Drain, Flush, And Refill
If the engine coolant (antifreeze) is dirty or contains a considerable amount of sediment, clean and flush with a reliable cooling system cleaner. Follow with a thorough rinsing to remove all de ...