1998 Pontiac Firebird Owner's Manual - Page 265

Before closing the hood, be sure all the filler caps are on. Then just pull the hood down and closefirmly. it Engine Oil LOW OIL If the LOW OIL light on the instrument panel comes on, it means you need to check your engine oil level right away. more For information, see "Low Oil Light" in the Index. The engine oil dipstickis the yellow loop near the back of the engine. Note: Do notcheck the 5.7L engine oil level after the engine has sat overnight. higher than normal reading A might be obtained. Checkoil level with the warm. oil Shut off the engine, wait a few minutes, and then check the oil. oil Turn off the engine and give the a few minutes to drain back into theoil pan. If you don't, the oil dipstick mightnot show the actual level. You should checkyour engine oil level regularly; this is an added reminder. It's a good idea to checkyour engine oil every timeyou get fuel.In order to get accurate reading, the oil must an be warm and the vehicle must on level ground. be 6-12