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- normally operated by the left foot:
- normally operated by the right foot:
- 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 position when not depressed by the driver.
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.
Heavy vehicles on caterpillar tracks such as bulldozers 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.
- "Gas Pedal", a song by rapper Sage the Gemini featuring Iamsu! taken from his debut EP of the same name.
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