Ok so I went to the drag strip last thursday and first run I forgot to turn of the Tc and tried to use the launch control. Well to say it wasn't a good 60ft time. Second run remembered to turn off TC used launch control and did ok. When I pulled up to get my time slip I heard a click when I touched the brakes. So i stopped for a sec then went to move again and the. Another clic. So I stopped and nothing. Went to go again the. Again one single clic. Cant figure what the hell it is.