We ended up using the Yakima EXO hitch setup. We have a basket on the bottom and enclosure up top. When you attach the Yakima, you just need to disable the rear obstacle detection while its attached. Do this through the setup screen on the gauge cluster menu. Otherwise, the truck will...
I recommend getting the Garmin mini 2. I think it came out to $140 including the unit, memory card, and cover lens off Amazon.
The install is super easy for the front. A middle part of the rear view mirror plastic comes off easily. You can run the long power supply between the windshield...