It's recommended that you engage the emergency brake anytime the vehicle is parked on a hill, whether it's an automatic or standard transmission.
EMERGENCY 20 CONTROLS HOW TO
We'll discuss the importance of knowing when and how to use emergency brakes in the next section. Advanced electric brake systems utilize computer-controlled motors to engage the brake caliper. Instead of having a pedal, stick or center console lever, a small button on the dash signals an electric motor to pull the brake cable. When the emergency brake is pulled, the lever forces the corkscrew against caliper piston, and applies the brakes, again bypassing the hydraulic braking system.Įlectric e-brakes are available on some cars today. With this system, an additional lever and corkscrew is added to the existing caliper piston. When the vehicle has rear disc brakes without an auxiliary drum brake, a caliper-actuated parking brake system is used. Ĭars with rear disc brakes have a more complicated emergency brake system, sometimes requiring an entire drum brake system to be mounted inside of the rear rotor, called an exclusive parking brake or auxiliary drum brake. In this simple, mechanical bypass, the emergency brake system requires no extra parts to control the brakes. In a rear drum situation, the emergency brake cable runs directly to the brake shoes, bypassing the hydraulic brake system. Drum brakes are common in the rear wheels, while disc brakes are most common on the front wheels (or all four wheels). Motor vehicles use either drum brakes or disc brakes.
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