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this rapper needs an article since this song and his song "red nose" have both entered the Hot 100
 
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#REDIRECT [[Car controls#Throttle_control]]
[[Image:Pedal Locations in 2007 Subaru Legacy.jpg|thumb|right|250px|Hanging pedals in a Subaru Legacy. From left to right: foot rest, clutch, brake, gas.]]
[[Image:Saabsonettpedals.jpg|thumb|right|200px|Standing pedals in a [[Saab Sonett]] (clutch, brake, gas)]]


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An [[automobile]] may have two to four '''pedals'''. The arrangement is the same for both [[right- and left-hand traffic]]. From left to right:
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* normally operated by the left foot:
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**[[clutch]] pedal, not in the case of [[automatic transmission]]
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* normally operated by the right foot:
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**[[brake]] pedal, which is sometimes wide and elevated above the car floor
**[[throttle]] (known as the "accelerator" or "gas pedal"), controls fuel and air supply to the automobile's [[engine]]. It is usually narrow and close to the car floor allowing the driver's heel to rest on the car floor. It has a [[fail-safe]] design in that it automatically returns to the [[idle (engine)|idle]] position when not depressed by the driver.

Some vehicles have a [[parking brake]] pedal instead of a [[hand brake]] lever. Pedals can be either "hanging" from the [[Firewall (construction)#Firewalls outside of building construction|firewall]] ([[Bulkhead (partition)|bulkhead]]) or "standing" on the floor.

Since the right foot is normally used (for the accelerator or brake) there is no foot rest on the right, not even in cars with [[cruise control]]. The left foot only has to operate the clutch intermittently (or has no function in an automatic vehicle) so sometimes a foot rest is provided to the left of the pedals. Some drivers practice [[left-foot braking]], however it has proved to be difficult to train the left foot to skilfully press the brake pedal thus bringing the vehicle to a smooth stop; instead the outcome is usually a sudden stop.

Many cars now include pedals with [[electric adjustment]], a modern iteration of a manual adjustment system available sporadically since the 1950s.

==Other vehicles==
Heavy vehicles on [[Continuous track|caterpillar tracks]] such as [[bulldozer]]s or [[tanks]] may have two brake pedals; for the left and right side tracks respectively. These vehicles do not have a clutch ''pedal'' but two manually operated levers; the clutches and brakes are used for differential [[steering]].

In a bulldozer the gas pedal operates in an opposite way to an automobile; depressed pedal = idle, released pedal = full open throttle.

A twin engined [[wheel tractor-scraper]] has two gas pedals next to each other; one for the front engine and one for the rear engine.

==See also==
* [[Heel-and-toe]]
* "Gas Pedal", a song by rapper Sage the Gemini featuring [[Iamsu!]] taken from his debut EP of the same name.

[[Category:Auto parts]]

{{Unreferenced|date=May 2009}}
{{automotive-part-stub}}

[[ja:アクセルペダル]]
[[ja:ブレーキペダル]]

Latest revision as of 04:00, 19 May 2023