Chevrolet 2008 Avalanche Owner's Manual page 65

CAUTION:
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Frontal airbags are designed to deploy in
moderate to severe frontal and near frontal
crashes. They are not designed to inflate in
rollover, rear crashes, or in many side crashes.
If your vehicle has rollover capable roof-rail
airbags, they are designed to inflate in
moderate to severe crashes where something
hits the side of your vehicle, during a vehicle
rollover, or in a severe frontal impact. They are
not designed to inflate in rear crashes.
Everyone in your vehicle should wear a safety
belt properly — whether or not there is an
airbag for that person.
CAUTION:
{
Airbags inflate with great force, faster than the
blink of an eye. Anyone who is up against, or
very close to, any airbag when it inflates can
be seriously injured or killed. Do not sit
unnecessarily close to the airbag, as you
would be if you were sitting on the edge of
your seat or leaning forward. Safety belts help
keep you in position before and during a
crash. Always wear your safety belt, even with
airbags. The driver should sit as far back as
possible while still maintaining control of the
vehicle.
Occupants should not lean on or sleep against
the door or side windows in seating positions
with roof-rail airbags.
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