See also:

DOT (Department of Transportation)
DOT marked tires fulfill the requirements of the United States Department of Transportation. ...

Trailer towing
When towing a trailer and driving downhill, shift to the lower gear if the automatic transmission constantly shifts between two gears. Engaging a lower gear and reducing the speed reduces the ...

Engine oil viscosity
Viscosity describes the flow characteristics of a fluid. If an engine oil has a high viscosity, this means that it is thick; a low viscosity means that it is thin. Select an engine oil with an ...