1999 Pontiac Montana Owner's Manual - Page 189
1999 Pontiac Montana Manual
Page 189 highlights
yellowblue The traction control system warning light may come on for the following reasons: When your traction control system is limiting wheel spin, the LOW TRACTION light will come on. Slippery road conditions may exist if this light comes on, so adjust your driving accordingly. The light will come on and stay on for four seconds when your anti-lock system adjusts brake pressure for less than four seconds or when your traction control system limits wheel spin for less than four seconds. Otherwise, the light will go out as soon as the anti-lock system stops adjusting brake pressure or the traction control system stops limiting wheel spin. The LOW TRACTION light also comes on briefly, as a bulb check, when the engine is started. If the light doesn't come on then, have it fixed so it will be there to tell you when the system is active. D If there's a brake system problem that is specifically related to traction control, the traction control system will turn off and the warning light will come on. If your brakes begin to overheat, the traction control system will turn off and the warning light will come on until your brakes cool down. D If the traction control system is affected by an engine-related problem, the system will turn off and the warning light will come on. If the traction control system warning light comes on and stays on for an extended period of time when the system is turned on, your vehicle needs service. Low Traction Light (Option) If your vehicle has the traction control system, there will be a LOW TRACTION light on the instrument panel. 2-93