1994 GMC Jimmy Owner's Manual - Page 246

Just fill it enough to put the level __ somewhere in the What Kind of Oil to Use Beginning midyear 1993, oils of the proper quality your vehicle will be for identified with this new "starburst" symbol.The "starburst" symbol indicates that the oil has been certified the American Petroleum Institute by (API), and is preferred for use in your gasoline engine. You should look for this on the front the oil container, and use only oils of that displaythis new symbol. 6-10