Pontiac Wave 2008 Owner's Manual page 159

If the airbag readiness light stays on after you start the
vehicle or comes on or flashes when you are driving,
your airbag system may not work properly. Have
your vehicle serviced right away by your dealer/retailer.
This light will come on
when you start your
vehicle, and it will flash for
a few seconds. Then
the light should go out.
This means the system is
ready.
CAUTION:
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If the airbag readiness light stays on after you
start your vehicle, it means the airbag system
may not be working properly. The airbags in
your vehicle may not inflate in a crash, or they
could even inflate without a crash. To help
avoid injury to yourself or others, have your
vehicle serviced right away if the airbag
readiness light stays on after you start your
vehicle.
The airbag readiness light should flash for a few seconds
when you turn the ignition to ON/RUN. If the light does
not come on then, have it fixed so it will be ready to warn
you if there is a problem.
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