2003 Oldsmobile Alero Owner's Manual - Page 134

Anti-Lock Brake System Warning Light The anti-lock brake system warning light will come on briefly when you turn the ignition key to ON. This is normal. If the light doesn't come on then, have it fixed so it will be ready to warn you if there is a problem. ANTI LOCK United States Canada Enhanced Traction System Warning Light If your vehicle has the Enhanced Traction System (ETS), this warning light should come on briefly as you start the engine. If your vehicle has the anti-lock brake system, the light will come on when your engine is started and may stay on for several seconds. That's normal. TRAC OFF If the light stays on, turn the ignition to OFF. Or, if the light comes on when you're driving, stop as soon as possible and turn the ignition off. Then start the engine again to reset the system. If the light still stays on, or comes on aqain while Vou're drivinq, your vehicle needs service. If the regular brake system warning light isn't on, you still have brakes, but you don't have anti-lock brakes. Ifthe regular brake system warning light is also on, you don't have anti-lock brakes and there's a problem with your regular brakes. See Brake Sy~Sei~7 i a m j Light O/T page 3-28 earlier in this V ~~ section. If the warning light doesn't come on then, have it fixed so it will be ready to warn you if there's a problem. If the warning light stays on, or comes on when you're driving, there may be a problem with your Enhanced I raction system ana your venicie may need service. When this warning light is on, the system will not limit wheel spin. Adjust your driving accordingly. 3-29