Air Brake - Chevrolet 2005 T-Series Owner's Manual

Air Brake

Pulling it out applies the parking brake. The park
brake light will come on when the air parking brake
is applied.
Vehicles built for use as tractors or towing vehicles
have two air brake controls. They look like this:
2-20
If your vehicle has air
brakes, you will have this
parking brake. It is
located above the radio in
the instrument panel.
CAUTION:
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When the yellow PARKING BRAKE and the red
TRAILER AIR SUPPLY knobs are both pushed
in, your rig will be free to move. It could strike
someone or something. When both of these
knobs are pushed in, hold the regular brake
pedal down to keep your rig from moving.
To charge a trailer's air brake system do the following:
1. Move your vehicle into the proper position.
2. Apply the parking brake by pulling the yellow
parking brake knob out.