Problem solved, thanks to Spyder.
Tip: If you need to add a new sensor to the game, right after the game boots up, you have to click Stop Ride in order to get back to the main screen. It's the main screen on which you can update your sensor info. It does not appear in the Options menu.
Tip: If you need to add a new sensor to the game, right after the game boots up, you have to click Stop Ride in order to get back to the main screen. It's the main screen on which you can update your sensor info. It does not appear in the Options menu.