Gran Turismo Steam Deck Make sure to set Brake -> Left Analog Stick Down, Shift Up -> Square, Shift Down -> Circle, and Handbrake -> X in the GT4 in-game settings. This layout maps brake and accelerate from the left and right analog sticks to the left and right triggers, allowing you to brake and accelerate simultaneously for trail braking. Also maps shift up and shift down to the back bumper buttons, as well as adds some curve to the left stick for precision driving. Left stick only handles left and right input to prevent clashes Keyboard Inputs Gamepad Inputs
