Yeah it does, I've set up my next page and previous page buttons, works a treat. Assigning a button doesn't remove the original in-game functionality of that button so you can use any button as long as pressing it wouldn't affect your gameplay. I decided on right and down on the d-pad.
Here's the one you've potentially been waiting for - Bathurst! And yes, it was amazing. Best race I've had in ages.
One does not simply race just once at Bathurst - just uploaded one lap this time where I pushed a little harder