This is made for the Manual shift - Auto clutch shift mode.
DPad is unused.
Made using the Input Mapping Tool.

Character and General Camera:
Gas - Forward
Brake - Backwards
Steering Wheel - Left and Right
R2 - Run
L2 - Jump
Triangle - Enter and Exit vehicle
Circle - Change camera
L3 - Center camera

Truck:
Gas and Brake are normal, same as the Steering.
Right Shifter - Shift up
Left Shifter - Shift down
R3 - Parking Brake
R2 - Diff lock
L2 - Activates Horn and Lights at the same time.
X - Engine starter
Square - Repair vehicle
Options - Pause
Share - Vehicle Info
Playstation Button - Reset vehicle ( same function as I )

Boat:
Steering is normal.
Gas - Throttle up
Brake - Throttle down

Plane:
Steering - Roll
Gas - Pitch up
Brake - Pitch down
Shifters - Yaw
X - Start engines
R2 - Throttle up
R3 - Throttle down
L2 - Parking Brake