can't accelerate in NFS unbound or any new Games

im handicap and I can't pick a ps4 controller because my Hands doesn't work I can steer but I can't Accelerate ive went through my gaming Computer everything good I update EA every Monday I got a headset on my power chair it controls the car, and this is my chair

https://www.quantumrehab.com/quantum-power-bases/edge-3.asp