1997 Pontiac Grand Prix Owner's Manual - Page 153

Functions CHANGE OIL SOON: This light will appear when the system predicts that the oil's remaining useful life is almost up. The system predicts remaining oil life using inputs from lengthof drives, coolant temperature, engine rpm, and vehicle speed. Italerts you to change the oil on a schedule consistent with your vehicle's driving conditions. To reset your change oil soon system after an oil change, turn the key to the ON position, without the engine running and pump the accelerator 3 times within 5 seconds. DOOR AJAR:If one of your doors is left ajar, a light will appear next tothat door on the vehicleoutline. TRAC SWITCH: If your vehicle has the Trac System (this is not available with the 3800 Supercharged engine), you will have a disable switch on the far right side of your Driver InformationCenter. Your Trac System is automatically activated when you turn the ignition on. Thisswitch will activate/deactivate the Trac System. If you need to disable thesystem, such as when you are stuck and are rocking your vehicle back and forth, push this switch. See "Stuck: In Sand,Mud, Ice or Snow" in the Index. LOW TRAC:This lightwill come on when your Trac System is limitingwheel spin orwhen your anti-lock brake system is active. See "Trac System" or "Low Traction Light" in the Index. LOW WASHERFLUID: This light will come on when your ignition is on and the fluid container is low. CHECK TIRE PRESS:This light alerts you that a tire is low or flat. See "Check Tire Pressure Light" in the Index. TRUNK AJAR: This lightalerts you that your trunk is not fully closed. 2-79