Power Steering; Braking In Emergencies - GMC Sierra 2000 Owner's Manual

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Remember: Anti lock doesn't change the time you need
to get your foot up to the brake pedal or always decrease
stopping distance. If you get too close to the vehicle in
front of you, you won't have time to apply your brakes
if that vehicle suddenly slows or stops. Always leave
enough room up ahead to stop, even though you have
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anti lock brakes.
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Using Anti Lock
Don't pump the brakes. Just hold the brake pedal down
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firmly and let anti lock work for you. You may feel the
brakes vibrate, or you may notice some noise, but this is
normal. On vehicles with four
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anti lock brakes work at all times
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two wheel drive or four wheel drive.

Braking in Emergencies

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With anti lock, you can steer and brake at the same
time. In many emergencies, steering can help you more
than even the very best braking.
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wheel drive, your
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whether you are in
Steering

Power Steering

If you lose power steering assist because the engine
stops or the system is not functioning, you can steer but
it will take much more effort.
Speed-Sensitive Steering
This system varies the amount of steering effort
proportionate to your vehicle speed. Steering is easier at
lower speeds for maneuvering and parking ease. As your
vehicle speed increases, the steering effort also
increases. At highway speeds, the amount of steering
effort is increased for vehicle control and stability.
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