Parking Brake - GMC Sierra 3500HD 2001 Owner's Manual

Parking Brake

To set the parking brake, hold the regular brake pedal
down with your right foot. Push down the parking brake
pedal with your left foot.
If the ignition is on, the brake system warning light will
come on.
To release the parking brake, hold the regular brake
pedal down.
If the ignition is on when the parking brake is released,
the brake system warning light will go off.
2-22
Pull the lever, located
just above the parking
brake pedal, marked
BRAKE RELEASE.
NOTICE:
Driving with the parking brake on can cause
your rear brakes to overheat. You may have to
replace them, and you could also damage other
parts of your vehicle. Always check to be sure
your parking brake is fully released before
you drive.
If you are towing a trailer and are parking on any hill,
see "Towing a Trailer" in the Index. That section shows
what to do first to keep the trailer from moving.
It is recommended that the propshaft
brake be burnished as part of the new vehicle break
The parking brake will work best after it has been
burnished following these instructions.
Make 10 stops, using the parking brake foot pedal, from
20 mph (32 km/h) about 2 1/2 miles (4 km) apart. In
between stops, drive the vehicle at 20 mph (32 km/h).
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mounted parking
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in.