See also:

How vehicle audio works
AM and FM radio signals are broadcast from transmitter towers located around your city. They are intercepted by the radio antenna on your vehicle. This signal is then received by the radio and s ...

Tire Quality Grading
Department of Transportation quality grades - All passenger vehicle tires must conform to Federal motor vehicle Safety Standards in addition to these grades. These quality grades are molded on the ...

Recommended cold tire inflation pressures
All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires” means the vehicle has not been driven for at least three hours or driven less than one mile (1.6 km ...