1998 Buick Riviera Owner's Manual

5 System Warning Lightyour vehicle’s hydraulic brake system is divided intotwo parts. If one part isn’t working, the other part canstill work and stop you. For good braking, though, youneed both parts working well.If the warning light comes on, there could be a brakeproblem. Have your brake system inspected right away.This light should come onwhen you turn the key toSTART. If it doesn’t comeon then, have it fixed so itwill be ready to warn you ifthere’s a problem.If the light and chime come on while you are driving,pull off the road and stop carefully. You may notice thatthe pedal is harder to push. Or, the pedal may go closerto the floor. It may take longer to stop. If the light is stillon, have the vehicle towed for service. (See “TowingYour Vehicle” in the Index.)-IYour brake system may not be working 1 Iperlyif the brake system warning light is on. Drivingwith the brake system warning light on can leadto an accident. If the light is still on after you’vepulled off the road and stopped carefully, havethe vehicle towed for service.When the ignition is on, the brake system warninglight will also come on when you set your parkingbrake. The light will stay on if your parking brakedoesn’t release fully. If you try to drive off with theparking brake set, a chime will also come on until yourelease the parking brake. If the light and chime stay onafter your parking brake is fully released, it means youhave a brake problem.