GMC 2008 Savana Van Owner's Manual page 72

The airbag off light will come on to let you know that
the right front passenger's airbag is off. The airbag
off light will stay on to remind you that the airbag is off.
See Airbag Off Light on page 3-28. The airbag off
light will stay on to remind you that the airbag is off.
The right front passenger's airbag will remain off
until you turn it back on again.
CAUTION:
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If the airbag readiness light ever comes on
when you have turned off the airbag, it means
that something may be wrong with the airbag
system. The right front passenger's airbag
could inflate even though the switch is off.
If this ever happens, do not let anyone whom
the national government has identified as a
member of a passenger airbag risk group
sit in the right front passenger's position
(for example, do not secure a rear-facing child
restraint in the right front passenger's seat)
until you have your vehicle serviced. See
Airbag Readiness Light on page 3-27 for
additional information.
1-68
United States
To turn the right front passenger's airbag on again, insert
your ignition key into the switch, push in, and move the
switch to the on position. The right front passenger's
frontal airbag is now enabled (may inflate). See Airbag
Off Light on page 3-28 or more information.
Canada