I just noticed this morning that both rear parking assist and BSD on my 2015 SFS Limited are not working. Other than the button near the shifter to turn off the audible alarm for parking, I don't recall any other buttons or settings that would turn both systems off. I won't have access to the user manual until later this evening. I did clean off the rear parking sensors but that didn't change anything. Am I missing something?? What's common? Perhaps a fuse?