Oil Level

[eicheldp]

Hi all:

I have a 2004 S and I encountered a problem this morning. Two days ago before a run, I checked the oil level w/ the electronic indicator and noticed that the level was low by 2 bars. I thought, it's due for an oil change soon so no need to top off the level now. When I started the car this morning, I drove a few hundred feet and the oil light came on. I went back into the garage and added a quart of oil. Restarted the car and the oil light came on again.

I did not check the oil on the dip stick since I had just started the car plus I was now late for work. There are no leaks on the floor. I'm thinking it could be the sending unit but I don't know where it's located to change it. Any thoughts or insight will be greatly appreciated.