2003 Oldsmobile Alero Owner's Manual - Page 140
2003 Oldsmobile Alero Manual
Page 140 highlights
Low Oil Level Light If your vehicle is equipped with a 3400 V6 engine, then you will have a LOW OIL light in your instrument panel cluster. LOW OIL The oil level monitoring system only checks oil level during the brief period between when the key is on and the engine is cranking. It does not monitor engine oil level when the engine is running. Additionally, an oil level check is only performed if the engine has been turned off for a considerable period of time allowing the oil normally in circulation to drain back into the oil pan. Change Engine Oil Light This light will come on briefly when you start your vehicle. The CHANGE OIL light should come on briefly as a bulb check when you start the engine. If the light doesn't come on, have it serviced. If the light stays on after starting your vehicle, or comes on and chimes while you are driving, your engine oil level should be checked. Prior to checking the oil level, be sure your vehicle has been shut off for several minutes and is on a level surface. Check the oil level on your dipstick and bring it to the proper level. See Engine Oil on page 5-15. I CHANGE OIL ' ~ I If the CHANGE OIL light comes on and stays on after you start the engine, have the oil changed. To reset the CHANGE OIL light, see Engine Oil on page 5- 15. 3-35