Chevrolet 2006 Express Van Owner's Manual page 81

United States
To turn off the right front passenger's airbag, insert your
ignition key into the switch, push in, and move the
switch to the off position.
The airbag off light will come on to let you know that the
right front passenger's airbag is off. The 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.
Canada
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 your vehicle) until you have your
vehicle serviced.
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