<P> The first automobiles were steered with a tiller sometimes on the left or right, sometimes in the centre . The steering wheel was first used when Alfred Vacheron competed in the 1894 Paris--Rouen motor race in a Panhard et Levassor . In 1898, steering wheels became a standard feature of Panhard et Levassor cars . They were introduced in the U.S. by Packard in 1899, and by 1908 were on most models . </P> <P> Power steering helps drivers steer by augmenting the driver's steering effort . Power steering has used hydraulics to reduce a driver's steering effort . However, hydraulic steering is being replaced by electric power steering, because it eliminates the hydraulic pump, and increases fuel efficiency . </P> <P> In modern cars the four - wheel braking system is controlled by a pedal to the left of the accelerator pedal . There is usually also a parking brake which operates the rear brakes only . On manual cars this is a lever between the front seats, but can be a pedal on some automatic transmission vehicles . In rallying the handbrake lever is long and vertical, extending to near the steering wheel, to facilitate handbrake turns . </P> <P> The throttle, which controls fuel and air supply to the engine and is also known as the "accelerator" or "gas pedal", is normally the right-most floor pedal . It has a fail - safe design--a spring, which returns it to the idle position when not depressed by the driver . Normally the throttle and brake are operated by the right foot, while the clutch is operated by the left foot . In the US, drivers mistake the accelerator for the brake, leading to sudden unintended acceleration, cause 16,000 accidents per year . However, there are drivers who practice left - foot braking . </P>

Where are the brakes located in a car
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