Cadillac 1993 Fleetwood Owners Literature page 189

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As you brake, your computer keeps receiving updates on wheel speed and
controls braking pressure accordingly.
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CAUTION:
Anti-lock doesn't change the time you need to get your foot up to
the brake pedal. 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 anti-lock brakes.
To Use Anti-Lock:
Don't pump the brakes. Just hold the brake pedal down and let anti-lock
feel the brake pedal pulsate, but this is normal.
-- work for you. You may hear the anti-lock pump or motor operate, and
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