Anti-Lock Brake System Warning Light - GMC 2003 Safari Owner's Manual

BRAKE
This light should come on
briefly when you turn
the ignition key to RUN.
If it doesn't come on then,
have
it
fixed so it will
be ready to warn you
if there's a problem.
If the light comes on while you are driving, pull off the
road and stop carefully. You may notice that the pedal
is harder to push. Or, the pedal may go closer to the
floor. It may take longer to stop. If the light is still
on, have the vehicle towed for service. See Towing
Your Vehicle
on
page 4-29.
Your brake system may not be working
properly if the brake system warning light is
on. Driving with the brake system warning light
on can lead to an accident. If the light is still
on after you've pulled off the road and stopped
carefully, have the vehicle towed for service.
Anti-Lock Brake System
Warning Light
With the anti-lock brake
system, this light will come
on when you start your
engine and may stay on
for several seconds.
That's normal.
If the light stays on, or comes on when you're driving,
your vehicle needs service. If the regular brake
system warning light isn't on, you still have brakes,
but you don't have anti-lock brakes. If the regular
brake system warning light is also on, you don't have
anti-lock brakes and there's a problem with your regular
brakes. See "Brake System Warning Light" earlier in
this section.
The anti-lock brake system warning light should come
on briefly when you turn the ignition key to RUN.
If the light doesn't come on then, have it fixed so
it will be ready to warn you if there is a problem.
3-29