1997 Chevrolet Lumina Owner's Manual - Page 133

Change Oil Soon Light The CHANGE OIL SOON light should come on as a bulb check when you start the engine. If this light stays on for about 20 seconds after you turn on theignition, have the oil changed. Security Light This light willcome on when you turn the key to START and stay on until the vehicle starts. It will also come on and stay on if your key is too dirty wet for or the PASS-Key I1 system to read the resistor pellet. CHG OIL SOON SECURITY When to change your oil also depends on driving habits and conditionsbecause they directly affectengine speed, coolant temperature and vehicle speed. Because of this, the CHANGE OIL SOON light maycome on as early as 2,000 miles (3,200 km) or less for harsh conditions. Remember, afterchanging your engine oil, the system must be reset; with the ignition keyin the RUN position, but the engine off, fully push and release the accelerator pedal three times within seconds. If the CHANGE five OIL SOON lightflashes two times, the system is reset. However if the light comes on and stays onfor five seconds, it did notreset. You'll need toreset the system again. If the resistor pellet damaged or missing, the light is will flash. If you're driving and the light comes on andremains on, your PASS-Key I1 system is not working properly. Your vehicle is not protectedby PASS-Key 11, and you should see your dealer. 2-59