Different wireless controllers?

[madweazl]

I recently ordered the Sunset Speedway set (hasn't arrived yet) which has pictures of a wireless controller with separate brake and lane change buttons. I also recently ordered some used bits and the wireless controllers I received only have the lane change button. After poking around a bit, I cant find a different part number to indicate there are two different versions of the ARC wireless controller. Was this a running change?

[madweazl]

Found the answer; the Air controllers only had brakes while the Pro controllers had both buttons. This solves the issue

[DVD3500]

I will PM you a guide on how to put them in...