1995 GMC Jimmy Owner's Manual - Page 122

You will see this light flash for a few seconds when you turn your ignition to RUN or START. Then the light should go out. This means the system is ready. If the air bag readiness light doesn't come on when youstart your vehicle, or stays on, or comes on when you are driving, your air bag system may not work properly. Have your vehicle serviced right away. Brake System Warning Light BRAKE Your vehicle's hydraulic brake system divided into two parts. If one part is isn't working, the other part can still work and stopyou. For good braking, though, you need bothparts working well. If the warning light comes on, there could be a brake problem. Have your brake system inspected right away. This light should come on briefly as you the vehicle. If it doesn't come start on then, have it fixed so it will be ready to warn you there's a problem. if If the light comes on while you aredriving, pull off the road andstop carefully, You may notice that the pedal is harder to push. Or, the pedal may go closer to the floor. It may take longer to stop. If the light is still on, have the vehicle towed for service. (See "TowingYour Vehicle" in theIndex.) 2-70