1995 GMC Yukon Owner's Manual - Page 142

Safety Be/t Reminder Light When the key is turned to R U N or START, a tone will come on for 2tbout eight seconds to remind people to fasten their safety belts, unless the driver's safety belt is already buckled. The safety belt light will also come on and stay on for about 20 seconds, then it will flash for about 55 seconds. If the driver's belt is already buckled, neither the tone nor the light will come on. Air Bag Readiness Light There is an air bag readiness light on the instrument panel, which shows AIR BAG. The system checks the air bag's electrical system for malfunctions. The light tells you if there is an electrical problem. The system check includes the air bag sensors and module, the wiring and the diagnostic module. For 111ot-e information on the air bag system, see "Air Bag" i n the Index. 2-70