I think you should be able to set three buttons as the throttle and three buttons for brake for mouse users. Obviously this wont be able to be done from the mouse but three buttons on the keyboard. Like c,s,a can be the throttles, and d,w,q can be the brake. For c and d, a mininmal amount of throttle or brake are applied. for s and w half the throttle or brake are applied. and when you press a or q, full throttle and brake is applied. if you hold 2 of the buttons for throttle at the same time a mid point of the buttons pressed is applied to the throttle. like between the minimal point c and the mid point s, a halfway point between the to points is applied to the throttle. I think it will take a little while to get used to, but if this is done it is certainly more accurate, and should help with mouse users laptimes.