See also:

Tachometer
Tachometer The tachometer indicates engine speed in revolutions per minute (rpm). Do not rev the engine into the red zones. CAUTION: When engine speed approaches the red zone, shift to a hi ...

AM radio reception
AM signals, because of their low frequency, can bend around objects and skip along the ground. In addition, the signals can be bounced off the ionosphere and bent back to earth. Because of thes ...

Spark plugs
Be sure the engine and ignition switch are off and that the parking brake is engaged securely. Be sure to use the correct socket to remove the spark plugs. An incorrect socket can dam ...