1998 Oldsmobile Cutlass Owner's Manual - Page 231

Engine Oil CHECK OIL If the CHECKOIL light on the instrument panel comes on,it means you need to check your engine oil level right away. The engineoil dipstick is yellow andlocated on the fi-ont of the engine. For more information, see "Check Oil Light" in the engine oil level regularly; Index. You should check your this is an added reminder. It's a good idea tocheck your engine every timeyou oil oil get fuel. In order to get an accurate reading, the must be warm and the vehicle must be level ground. on T r off the engine and give the oil a few minutes to un drain backinto the oil pan. If you don't, the oil dipstick might not show the actual level.