Car trouble and Wal Mart!!!

[berkeley]

Roomie and I took his car to wal-mart yesterday for an oil change. When we went back to get the car the service dude said "...we didn't touch the car because we heard a strange noise when we started it.." Then he tells us that the car is over-filled with oil.
I checked the motor oil two weeks ago, and it was 1 quart low. I did not replace the quart.
We went to start the car and it made a lot of noise, the car shook, and then it turned off.
We went back into Wal-Mart and spoke with the customer service manager. She then talked to the Assistant Manager.We then talked to the Assistant Manager.
He said "they didn't touch your car... we are not a car lot, if your vehicle is still here after a week, it will be towed."

Looks like another law-suit....