1994 Chevrolet S10 Pickup Owner's Manual - Page 227

Engine Oil It's a goodidea to check your engine oil every time youfuel. In order to get get an accurate reading, the must be warmand the vehicle must be on oil level ground. Turn off the engine and give the a few oil rninutes todrain back into theoil pan. If you don't, the oil dipstick might not show the actual level. To Check Engine Oil Pull outthe dipstick and cleanit with a paper towel or cloth, then push it back in all the way. Remove again, keeping the tip lower. it When to Add Oil If the oil is at or below the ADD line, then you'll need to add some But oil. you must use right kind. This section explains what kind oil to use. the of For crankcase capacity, see "Capacities and Specifications"in the Index. 6-9