See also:

How Car 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 car. This signal is then received by the radio and sent ...

Gauges
Speedometer The speedometer indicates the speed of the vehicle. The speedometer is calibrated in miles per hour and/or kilometers per hour. Tachometer The tachometer indicates the approximate ...

Checking the parking brake
Type A Check whether the stroke is within specification when the parking brake pedal is depressed with 44 lb (20 kg, 196 N) of force. Also, the parking brake alone should securely hold the vehi ...