GMC 2009 Savana Van Owner's Manual page 73

CAUTION:
{
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.
United States
To turn off the right front passenger frontal airbag, insert
the ignition key into the switch, push in, and move the
switch to the off position.
Canada
1-69