Where is the oil pan drain plug located on a 1995 Oldsmobile Cutlas Supreme with 3.1 liter engine?

The oil pan drain plug on a 1995 Oldsmobile Cutlass Supreme with a 3.1L engine is located on the bottom of the oil pan, at the lowest point of the pan. You'll find it towards the front of the engine, but its exact position relative to other components may vary slightly.

To be certain, you should consult a repair manual specific to your year and model. A picture in a repair manual will show you exactly where it is. Trying to find it without a visual aid might lead to you looking in the wrong place and potentially damaging something else.