2003 GMC Sierra 1500 Pickup Owner's Manual - Page 190

If the right front passenger's air is turned bag off for a person who isn't a risk group in identified by the national government, that person won't have the extra protection of an air bag. In a crash, the air bag wouldn't be to able inflate and help protect the person sitting there. Don't turn off the passenger's air bag unless the person sitting there is in a risk group. "Air See Bag Off Switch" in the Index for more on this, including important safety information. Canada without Passenger Sensing System If the air bag readiness light ever comes on when you have turnedoff the air bag, it means that something may be wrong with the air bag system. The right front passenger's air bag could inflate even though the switchis off. CAUTION: (Continued) 3-35