It sounds like a speed sensor for sure, an easy fix, but more of a pain to figure out which it is. I finally fixed mine beacuse I was scared if something else was going on with the car, I would not notice it with the dash lit up. I am also incredibly **** about having the spoiler down unless racing or over 60MPH. Good luck with the issue, it took me a while to swallow my pride and disdain for the stealership and have them hook it up.

He wanted to 'drive it around' just to make sure everything seemed normal, I told him he could have his joy ride in a different customer's car because no one would be behind the wheel of mine, but me