ive never even bothered to look for the fill hole on my tranny. by the way it's 1.5 quarts, 1.8 liters gm or saturn part number 21018899 saab part number 93165290 for the f35. for the f23, 1.8 quarts of dexron 3 compatible. auto tranny is dexron vi or dex 3, you run the car with the check hole...