1994 Oldsmobile Silhouette Owner's Manual - Page 193

When to Add Oil If the oil is at or below the ADD mark, then you'll need to add some oil. But you must use the right kind. This section explains what kind of oil to use. For crankcase capacity, see Capacities and Specifications in the Index. NOTICE: Don't add too much oil. If your engine has so much oil that theoil level gets above the cross-hatched area that shows the proper operating range,your engine could be damaged. Just fill it enough to put the level somewhere in the proper operating range. Push the dipstick all the way back in when you're through. 3100 V6: Adding Engine Oil What Kind of Oil to Use 3eginning midyear 1993, oils of the )roper quality for your vehicle willbe dentified with this new "starburst" iymbol. The "starburst"symbol ndicates that theoil has been certified )y the American Petroleum Institute IAPI), and is preferred for use in your ;asoline engine. (ou should look for this on the front of he oil container, and useonly oils that lisplay this new symbol. (ou should also use the properviscosity )il for your vehicle, as shown in the ollowing charts. I' \ 3800 V6: Adding EngineOil 191