I had ordered the RB4 when I got my truck last July. I was really upset when I found out about the GPS. There is very limited Canada information and nothing for Alaska where I live and real wimpy on the lower 48 states but has Hawaii info in it. I tried to get the dealer in Idaho to do something but to no avail. I sent a letter up the chain to Dodge and some guy called me late summer and said he thought they would have better soft ware coming out for it. If you really want a GPS the Garmin 2610 unit is pretty good and it can be had from GPS city.com for about $750. , retail is around $1000. You can go to the Garmin website and do unit comparison and see what fits your needs. It has a nice moving map display and a couple of different ways of mounting it or a beanbag mount to be portable. The RB4 is not set up so you can program your route it does it for you. It shows arrows to turn left,right and turn around, then this annoying female voice tells you to turn around in 1/2 mile as you are going the wrong way. When I ordered this the dealer claimed they did not know anything about this unit nor did they have any information on it. Pretty lame if you ask me. I wasted $900 on this option for sure as I had gotten it for driving from Alaska through Canada to the lower 48 and around the southwest. When my wife and I start our trip south next week no GPS till I cross the border at Sumas, so we will see what happens then.