You might check and see if your car has been recalled and repaired as below.
Recall date: 08-09-2002 Units potentially affected: 133,221 NHTSA campaign number: 02V222000 Defective part or component: INTERIOR SYSTEMS:PASSENGER RESTRAINTS:AIR BAG:FRONTAL
Description: Certain passenger, mini vans, and sport utility vehicles have an air bag inflator on the driver'* side that could fracture at a weld during a deployment. Pieces of the inflator could strike and injure vehicle occupants and the air bag cushion would not inflate fully, reducing the capability of the bag to protect the driver. Dealers will inspect, and replace, if necessary, the air bag module assembly on the driver'* side. Owner notification began August 15, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact Buick at 1-800-521-7300, Cadillac at 1-800-458-8006, Chevrolet at 1-800-222-1020, GMC at 1-800-462-8782, Oldsmobile at 1-800-442-6537, or Pontiac at 1-800-762-2737.