1998 GMC Safari Owner's Manual - Page 145

inti-Lock Brake System Warning Light With the anti-lock brake system, thislight will come on when you start your engine and may stay on for several seconds. That's normal. Engine Coolant Temperature Gage If the gage pointer moves to the red area, your engine is too hot! ANTI LOCK If the light stays on, or comes on when you're driving, your vehicle needs service. the regular brake system If warning light isn't on, you still have brakes, but you don't have anti-lock brakes. the regular brake system If warning light is also on, you don't have anti-lock brakes and there's a problem with your regular brakes. See "Brake System Warning Light" earlier in this section. The anti-lock brake system warning light should come on briefly when turn the ignition key RUN. If the you to light doesn't come on then, have it fixed will be so it ready to warn you if there a problem. is It means that your engine coolant has overheated.you If have been operating your vehicle under normal driving conditions, you should pull the road, stop your off vehicle and turn the engine as soon as possible. off The "Problems on the Road" section of this manual shows you what to do.See "Engine Overheating" in the Index. 2-61