I STARTED MY VEHICLE AND IT WENT THROUGH ITS CUSTOMARY SYSTEMS CHECK. WHILE I WAS OPERATING THE VEHICLE A WARNING MESSAGE APPEARED. IT STATED, SERVICE AIRBAG. IN ADDITION, THE SYMBOL ON THE INSTRUMENT PANEL DISPLAY APPEARED INDICATING A AIRBAG PROBLEM. OBVIOUSLY THIS IS A SERIOUS SAFETY CONCERN BECAUSE THE AIR BAG MAY UNEXPECTEDLY INFLATE OR MAY NOT WORK AT ALL IN A CRASH. I PURCHASED THIS VEHICLE IN DECEMBER 2010, AND IT ONLY HAS 42000 MILES ON IT WITH REGULAR ROUTINE MAINTENANCE. I BELIEVE THAT SUCH A SERIOUS MANUFACTURER'S DEFECT SHOULD NOT BE OCCURRING IN THE LIMITED TIME THIS VEHICLE HAS BEEN OPERATING. DUE TO THE UNSAFE AND SERIOUS NATURE OF THIS DEFECT, I WOULD LIKE TO SEE GMC CORPORATION STAND BEHIND THEIR PRODUCT AND SHOW CONCERN ABOUT THEIR CUSTOMERS SAFETY BY RECALLING AND REPAIRING THIS VEHICLE AND ANY OTHER GMC VEHICLE EXPERIENCING THIS PROBLEM. *TR