Chevrolet 2005 Silverado 1500 Pickup Owner's Manual page 201

CAUTION:
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If the right front passenger's airbag is turned off
for a person who is not in a risk group identified
by the national government, that person will not
have the extra protection of an airbag. In a
crash, the airbag will not be able to inflate and
help protect the person sitting there. Do not turn
off the passenger's airbag unless the person
sitting there is in a risk group. See Airbag Off
Switch on page 1-69 for more on this, including
important safety information.
If, after several seconds, all status indicator lights remain
on, or if there are no lights at all, there may be a problem
with the lights or the passenger sensing system. See your
dealer for service.
CAUTION:
{
If the airbag off indicator and the airbag
readiness light ever come on together, it means
that something may be wrong with the airbag
system. If this ever happens, have the vehicle
serviced promptly, because an adult-size
person sitting in the right front passenger
seat may not have the protection of the airbag.
See Airbag Readiness Light on page 3-34.
3-37