reverse features

Today we went to the O'Reilly's to get a replacement bulb for our rear left blinker. After we got there and undid the light covers we checked all of our lights again just to make sure, and lo and behold everything was working again, though the light we were wanting to replace was rather dim...

Sorry I'm a Newbie but unable to find anything related to this question. Just bought a 2014 Ram 1500 Laramie with power towing mirrors. There is a feature you can turn on/off for mirrors to tilt down when in reverse. Problem is that the passenger side (which is the one you really need) barely...