2002 GMC 4X4 CAB LONG WIDE BED PICK UP. CONSUMER STATES THE AIR BAGS DID NOT DEPLOY. CONSUMER ALSO STATES BRAKES DID NOT SEEM TO WORK CORRECTLY AT TIMES AND REAR DRIVE SHAFT HAD SEVERE VIBRATION *TGW THE CONSUMER STATED THE ENGINE HAD A BAD KNOCK, UPON START-UP AND THE DASH PANEL LIGHTS WERE INOPERATIVE. *JB