GMC 1993 Safari Owner's Manual page 171

AM41 5020
As you brake, your computer keeps receiving updates on wheel speed and
controls braking pressure accordingly.
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 y c
,
you won't have time to apply your brakes if that vehicle suddenly
slows or stops. Always leave enol
1
room
UD
i
!ad to stOD, even
though you have anti-lock brakes.
% z % a
. .
- -
:=73EF.
To Use Four-Wheel Anti-Lock:
Don't pump the brakes. Just hold the brake pedal down and let anti-lock work
for you. You may feel the brakes vibrate, or you may notice some noise, but
this is normal.
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