Originally Posted by e.m.
I have on order 2014 RAM 1500 Laramie Longhorn, my understanding it come with 8.4AN,.. what is RA3 and RA4 ?.. is it the software ? and would mine come with RA3 or RA4 what ever that is ? anyone has info on this ?
RA3 = 8.4A
RA4 = 8.4AN
The A unit is the non Nav unit. Nav can be added at a later time, but even if it's added, it'll still be missing some features, compared to the RA4 unit.