Chevrolet Cobalt Owners Manual: Antilock Brake System (ABS)

The vehicle might have the Antilock Brake System


The vehicle might have the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid.

If the vehicle has ABS,
this warning light on the instrument panel comes
on briefly when the
vehicle is started.

When the engine is started, or when the vehicle begins to drive away, ABS checks itself. A momentary motor or clicking noise might be heard while this test is going on, and it might even be noticed that the brake pedal moves or pulses a little. This is normal.

Let us say the road is wet and you are driving safely.

Suddenly, an animal jumps out in front of you. You slam on the brakes and continue braking. Here is what happens with ABS:
A computer senses that the wheels are slowing down.

If one of the wheels is about to stop rolling, the computer will separately work the brakes at each wheel.

ABS can change the brake pressure to each wheel, as required, faster than any driver could. This can help the driver steer around the obstacle while braking hard.

As the brakes are applied, the computer keeps receiving updates on wheel speed and controls braking pressure accordingly.

Remember: ABS does not change the time needed to get a foot up to the brake pedal or always decrease stopping distance. If you get too close to the vehicle in front of you, there will not be enough time to apply the brakes if that vehicle suddenly slows or stops. Always leave enough room up ahead to stop, even with ABS.

    Braking
    See Brake System Warning Light. Braking action involves perception time and reaction time. Deciding to push the brake pedal is perception time. Actually doing it is reaction time. Average reaction ...

    Using ABS
    Do not pump the brakes. Just hold the brake pedal down firmly and let antilock work. A slight brake pedal pulsation might be felt or some noise noticed, but this is normal. ...

    See also:

    Chevrolet Cobalt Owners Manual. Mirror Adjustment
    Exterior Mirrors Controls for the outside power mirrors are located on the driver door armrest. 1. Use the selector switch located below the four-way control pad to choose either the left or right outside mirror. 2. Press one of the four arrows located on the control pad to move the mirro ...

    Chevrolet Cobalt Owners Manual

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