Well, and the other huge tipoff of PS2 VS PS3 is PS2 has incandescent lights, PS3 is LED. But again, from a functional direction change standpoint, you actually can identify which is running on the track without seeing anything other than the motion of how it responds.
PS3 doesn't care if you hit direction and then change the commanded speed before it comes to a dead stop.
PS2 will not change direction (might change the lighting direction, but does not change the movement direction) until after it has come to a complete 0PMH stop and even then a slight pause. If the user changes the commanded speed after pressing the direction button before the engine comes to an absolute complete stop then the engine motor control ignores the direction change and the speed just applies to the previous direction even though the lights are now indicating the new direction. This is just how PS2 works.
