1996 GMC Sonoma Owner's Manual - Page 232

, Before closing the hood, be sure all the filler caps are on properly. Then lift the hood to relieve pressure on the hood prop. Remove the hood prop from theslot in the hood and return the prop to its retainer. Then pull the hood down firmly to close. It latch will when dropped from 10 to 12 inclies (25 to 30 cm) without pressing on the'hood: The oil dipstick on the 4.3L engine is a yellow ring. Engine Oil It's a good idea tocheck your engine oilevery time you get fuel. In order to get an accurate reading, the oil must be warn and the vehicle must be on level ground. The oil dipstick on the 2.2L engine isunder the fill cap. Tu&.off the engine and give the oil a few minutes to drain back into the oil pan. If you don't, the oil dipstick might not show the actual level. Checking Engine Oil Pull out the dipstick and clean itwith a paper towel or cloth, then push it back in all the way. Remove it again, keeping the tip down, and check the level. 6-10