Drive two M6 screws (not included) through the cockpit shelf, then feed them into the two small screw threads located on the underside of the racing wheel.
User manual Racing Wheel for Thrustmaster T300RS GTĪttaching the racing wheel’s base to a cockpit
Owner's manual - (English, French, Portuguese, Spanish, German, Arabic, Greek, Italian, Polish, Turkish).Thrustmaster T300RS GT Gran Turismo Racing Wheel and Pedals - Use Manual - Use Guide PDF.