1999 Chevrolet Monte Carlo Owner's Manual - Page 233

yellowblue Checking Engine Oil Pull out the dipstick and clean it with a paper towel or cloth, then push it back in all the way. Remove it again, keeping the tip down, and check the level. When to Add Engine Oil If the oil is at or below the lower mark, then you'll need to add at least one quart of oil. But you must use the right kind. This part 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 the oil level gets above the cross-hatched area that shows the proper operating range, your engine could be damaged. 3100 (Code M) V6 Engine 3800 (Code K) V6 Engine The engine oil fill cap is located toward the front of the engine near the yellow-looped engine oil dipstick. 6-15