1996 Chevrolet Blazer Owner's Manual - Page 258
1996 Chevrolet Blazer Manual
Page 258 highlights
NOTICE: . Don't-add What Kind of Oil to Use Oils recommended for your vehicle can be identified by looking for the "Starburst" symbol.This symbol indicates that theoil has been certified by the American Petroleum Institute (API). Do not use any oil which does not carry this Starburstsymbol. . too much oil. your engine has If so much oil that the oil level gets above the cross-hatched area that shows the proper operating range, your engine could damaged. be Just fill i.t enough to put the level somewhere in the proper operating range. Push the dipstick all the way back in when you're through. If you change your own oil, be sure you use oil that has the Starburst symbol on the front of the oil container.If you have youroil changed for you, be sure the oilput into your engine is American Petroleum Institute , , certified for gasoline engines. You should also use the proper viscosity for your oil vehicle, as shown in the following chart: 6-10