A follow up on my follow up. Strangely enough my car did the same thing yesterday. Based on passed experience and what I've read I decided to wait a few days before calling the dealer for an appointment. I would not hesitate if the performance of the car or the braking were affected but neither was the case. The warning light and the spoiler were the only issues. I tried the reset last night, drove it this morning and all seems to be well. Either I have a short, the sending unit is getting ready to go or I don't know what? Just glad its gone for now.

Pat