new dragster question's ?????
we just bought a 01 Mullis dragster.my question is ,,on the steering wheel it has three buttons,,the one on the right is trans brake,the one on the left is burn out,,but the one on the top of the steering wheel is ?? i here its a bump up or down button ..WHATS THAT,,, VERY NEW TO THIS COMPUTER SUPER PRO STUF >>>if its a bump up or down so you can cross talk,how does it know to go up or down ??