GMC 2004 Canyon Owner's Manual page 74

What Will You See After an Air Bag
Inflates?
After an air bag inflates, it quickly deflates, so quickly that
some people may not even realize the air bag inflated.
Some components of the air bag module — the steering
wheel hub for the driver's air bag, the instrument panel
for the right front passenger's bag or the ceiling of your
vehicle near the side windows — will be hot for a short
time. The parts of the bag that come into contact with you
may be warm, but not too hot to touch. There will be
some smoke and dust coming from the vents in the
deflated air bags. Air bag inflation does not prevent the
driver from seeing or being able to steer the vehicle, nor
does it stop people from leaving the vehicle.
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CAUTION:
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When an air bag inflates, there is dust in the
air. This dust could cause breathing problems
for people with a history of asthma or other
breathing trouble. To avoid this, everyone in
the vehicle should get out as soon as it is safe
to do so. If you have breathing problems but
can't get out of the vehicle after an air bag
inflates, then get fresh air by opening a
window or a door. If you experience breathing
problems following an air bag deployment,
you should seek medical attention.
Your vehicle has a feature that will automatically unlock
the doors, turn the interior lamps on and flash the
hazard warning flashers when the air bag inflates
(if battery power is available). You can lock the doors
again by using the door lock. The interior lamps
and hazard warning flashers will deactivate after
approximately 15 minutes.