Safety Belt Reminder Light; Air Bag Readiness Light - Chevrolet Avalanche 2004 Owner's Manual

Safety Belt Reminder Light

When the key is turned to RUN or START, a chime will
come on for several seconds to remind people to
fasten their safety belts, unless the driver's safety belt is
already buckled.
If the driver's belt is already buckled, neither the chime
nor the light will come on.
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The safety belt light will
also come on and stay on
for several seconds, then it
will flash for several more.

Air Bag Readiness Light

There is an air bag readiness light on the instrument
panel, which shows the air bag symbol. The system
checks the air bag's electrical system for malfunctions.
The light tells you if there is an electrical problem.
The system check includes the air bag sensors, the air
bag modules, the wiring and the crash sensing and
diagnostic module. For more information on the air bag
system, see Air Bag Systems on page 1-51.