1996 GMC Safari Owner's Manual - Page 121
1996 GMC Safari Manual
Page 121 highlights
Check Oil Light Don't keep drivingif the oil pressure is low. If you do, your engine can become hot that it so catches fire.You or others could be burned. Check your oil as soon as possible and have your vehicle serviced. This light should come on briefly while you are starting your engine. if the light doesn't come on, have it repaired. CHECK OIL NOTICE: Damage to your engine from neglected oil problems can be costly and not covered by is your warranty. If the light comes on while starting and stays on, your engine oil level should be checked. Prior to checking your oil level, be sure your vehicle is on a level surfice and has been shut off for several minutes to allow the oil to drain back into the oil pan. Check your oil level and bring it up to the proper level. See "Engine Oil" in the Index. The oil level monitoring system only checks the oil during the brief period between turning the key on and when the engine starts. It does not check the oil level while the vehicle is running. Parking on steep grades may cause the light to come on even when the oil level is c0rrec.t. If this happens, park the vehicle on a level surface and check the oil level. 2-61