1997 Pontiac Grand Prix Owner's Manual - Page 143
1997 Pontiac Grand Prix Manual
Page 143 highlights
The Trac System warning light may come on for the following reasons: If you turn the system off by pressing the TRAC button, the warning light will come on and stay on. To turn the system back on, press the button again. The warning light should go off. (See "Trac System" in the Index for more information.) The warning light will come on when you set your parking brake with the engine running,and it will stay on if your parking brake doesn't release fully. If the system is turned on and the warning light stays on after your parking brake isfully released, it means there's a problem with the system. If the Trac System warning light comes on and stays on Low Traction Light When your anti-lock system is adjusting brake pressure to help avoid a braking skid, this light will come on. LOW TRAC for an extended period of time when th,e system is turned on and the parking brake is fully.released, your vehicle needs service. If you have the Trac System, this light will also come on when the system is limiting wheel spin. Slippery road conditions may existif the low traction light comeson, so adjust your driving accordingly. light will stay The on for a few seconds after the anti-lock system stops adjusting brake pressure or Trac System stops the limiting wheel spin. The low traction light also comes on briefly when you turn the ignition key to RUN. If the lightdoesn't come there to tell you when on then, have it fixed so it will be the anti-lock brake system or Trac System is active, 2-69