Vehicle Adjustable Speedup

if(carspeed#){
    if(IS_CHAR_IN_ANY_CAR(pPlayer) && IS_BUTTON_PRESSED(0,BUTTON_R)){
    float speed;
    GET_CAR_CHAR_IS_USING(pPlayer,&pveh);
    if((!IS_CHAR_IN_ANY_BOAT(pPlayer)) && (!IS_CHAR_IN_ANY_HELI(pPlayer))){
    SET_CAR_ON_GROUND_PROPERLY(pveh);
    GET_CAR_SPEED(pveh,&speed);
    SET_CAR_FORWARD_SPEED(pveh,(speed * 1.00));
    }
    else{
    GET_CAR_SPEED(pveh,&speed);
    SET_CAR_FORWARD_SPEED(pveh,(speed * 1.00));
    }
}