1993 Oldsmobile Silhouette Owner's Manual - Page 111

Anti-Lock Brake System Warning light Unless the regular brake system waming light is also on, you will still have brakes, With anti-lock, this light will goon If when you start your engine andmay stay but not anti-lock brakes. the regular brake system warning lightis also on, on for three seconds or so. That's see Brake System Warning Light earlier normal. If the light doesn'tcome on, in this part. have it fixed so it will be ready to warn you if there is a problem. If the light stays on or comes on when you're driving, stop as soon as possible and turnthe key off. Then start the engine to reset the system. If the light still stays on, or comes on again while you're driving, your Oldsmobile needs service. If the anti-lock brake system warning light ever flashes, your anti-lock brake system is still working but needs service. The anti-lock brake system warning light may also come on when you are driving with a compact spare tire. this If happens, the lightmeans you won't have anti-lock untilyou replace the compact spare with a full-size tire. the warning If light stays on after you replace the compact spare with a full-size tire, or if it comes on again when you're driving, your Oldsmobile needs service.