Instructions
 
Turn on your PlayStation 3 and load the game that you wish to play with the Logitech Driving Force GT. 
Navigate to ̶0;Options̶1; from the in-game menu and select ̶0;Controller Settings.̶1; 
Select the Driving Force GT as your controller of choice. 
Select ̶0;Change Button Assignment̶1; to program the controls for the steering wheel. You can change any button to perform any function.