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Dead pedal
In an automobile, the dead pedal, often also called the foot rest, is typically a non-moving piece of rubber or metal that the driver is supposed to rest his or her left foot on when driving. Although the dead pedal serves no function in the car, many cars opt to implement it because it provides a number of benefits to the driver. In manual transmission cars the dead pedal is designed to promote a smoother actuation of the clutch by keeping the drivers foot in the same plane as the pedal.〔http://www.wisegeek.com/what-is-a-dead-pedal.htm〕 Automatic transmission cars can also benefit from the dead pedal because it prevents fatigue by offering a stable inclined surface on which the driver can place his or her foot. Even if a car does not have a dead pedal installed, there are a variety of aftermarket accessories that can be installed.
== History ==
The dead pedal was not a staple component in original design of automobile pedals. Cars such as the original Ford Model T, 1908, did not have dead pedals and had an upright pedal system. The dead pedal was developed to prevent the accidental actuation of the clutch or brake, also known as left-foot braking, by providing an alternate surface to rest the foot on. The dead pedal became more important with time as stronger and faster cars were developed because the left foot must push against the floor to brace the drivers body. Racing cars and civilian cars with manual transmission systems will have the dead pedal. Most auto transmission cars can also have the dead pedal but cars like the Ford Focus 1998 don't have it.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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