1996 Pontiac Firebird Owner's Manual - Page 253

When to Add Oil If the oil isat or below theARD h e , then you'll need to add some oil. But you must use the right kind. This part explains what kind of oil to For crankcase capacity, use. the see "Capacities and Specifications" in Index. What Kind of Oil to Use ' I NOTICE: Don't add too muchoil. If your engine has so much oil that theoiI level gets above the cross-hatched area that s m the H c p r h rr e operating range,your engine couldbe damaged. 1 Oils recommendedfor yoar vehicle can be identifiedby looking for the "Starburst" symbol.This symbol indicates thatthe oil has been certified by American the Petroleum Institute (AH). not use any oil which Do does notcarry this Starburst symbol. If you change your own oil, be sure you use oil that has the Starburst symbol on the front of the oil container. U- I Just~fill enoughto put the level somewhere the it in proper operating range.Push the dipstick all the way back in when you're through. P- If you have your oil changed for you, be sure the put oil into your engine is American Petroleum Institute certified for gasoline engines. You should alsouse the proper viscosity oil for your vehicle, as shown in the following chart: I i '