A:AnswerThe RP4.2-TY11 will retain the fader, here is a link to manual so you can see all the features https://catalog.pac-audio.com/index.php?controller=attachment&id_attachment=1593
A:AnswerGo on google for manual and go on youtube for videos of installation My radio came with a manual and after watching the removal and installation video on youtube, I decided to let the techs at Best Buy remove and install the new radio. They did the complete job in less than an hour. Excellent decision on my part. Radio works fine.
A:AnswerThere are cheaper alternatives if u don't want ir swc. It also depends on if u have amplified system or non amplified. I hope I reached u in time.
A:AnswerThe Metra dash kit is the trim kit that physically holds the radio in the OEM vehicle dash opening... Typically a plastic trim piece that matches your dash contours, and a pair of metal brackets to hold the new radio to the existing screw holes.