Have you opened the large oil filler cap at the top of the engine? Although I don't know about a 9 3, on my '95 turbo 900s that's where it was...built into the cap.
It's built on to the oil cap
The engine oil capacity of a Saab 9-3 is 5 quarts. This includes a small amount of oil stored in the oil filter during replacement.
If it's like my '95 900SE Saab, it's built into the oil filler cap that's right on the top of the engine...when you unscrew the cap and pull it out, the dipstick comes with it. But by then they may have changed the engine, from some of the other 93 answers I've seen... Good luck
the dipstick is what tells you how much oil is in the engine
I believe it's 6L
Bottom left side of your engine face (looking from directly above engine bay) your dipstick(metal ring with metal stick attached) is located between some thin tubes and the engine block. pull on ring which will bring out rest of the dipstick. wipe off end of stick with towel. replace dipstick, remove and check levels on stick.
If I know Saab 9-3 VIN number, how do I know Engine number
It's hard to find and needs to be accessed from from under the engine compartment: Open your hood, look to the right of the yellow oil dipstick exactly 1 foot, deep under the radiator and other hoses is the green trans fluid dipstick. It is held in place by a 12mm bold. It is quite easy to access and check once the car is lifted.
On my 2000 3 Series, it is right in front of the engine near the coolant reservior.
Start the engine and let it run for 3 or 4 minutes. Then, shut the engine down and remove the oil filler cap on the oil tank. The cap has the dipstick attached to it. Insert the dipstick down in the oil tank but don't screw it in. The oil level should be between the two marks.
the oil pressure switch is on the block right above the oil filter and also where the oil dipstick goes into the block
The engine should hold approximately 3.5 quarts of oil. Add 3 quarts then keep checking the dipstick until the engine shows full.