appleguru, didn't you mention in a previous post that you had a working knowledge of the CAN bus technology? Maybe you can mention or volunteer to help Artsci with that feature on this switch? Not trying to put you on the spot, but this is a community effort. No one is making big bucks on this project. We've sort of begged and pleaded with Artsci to do this second run of the switch for those that missed it the first time.
Anything to do with the CAN bus is over my head. I will leave that for someone else to comment about.
But there might be a way, but probably not going to like it.
You saw the part where it was discussed that there is three ways to activate the screen swap?
1) using a connection from the harness ('12'-'14/'15) reverse light wire ('16-'17)
2) using the remote control (button D) that come with the manufactured switch
3) after programming the remote, you can setup a choice on your touchscreen Homelink settings like you will see in the picture I show in post #199 of this thread).
4) (one more idea) you could select a 12v source and put a simple on/off switch on the reverse lead (think of the big-old-buttons that used to be mounted on the steering column on Henry Ford's first Model A). We know the reverse backup light lead is simply sending/flashing a 12v signal to the reverse input contact on the switch at the same time its turning on the backup lights. And when the 12v signal is removed, it reverts back to the default view. (Disclaimer: I've not personally tried using just a simple button switch, but it should work, because that's how I discovered the lead from the reverse backup light triggered the view swap).
If swapping screen from default/front to rear, when needing rear view is a burden, I think you can ignore the labels on the switch where you plug the cables in to the switch and plug front into rear and rear into front and make the switch's default rear. Then when you want the front view when pulling into towards the parking space.
Fortunately, the camera, cables and switch and programming the remotes can be accomplished independent of connecting the reverse wire/lead regardless of the source. So if you decide later that you don't like #2, #3, or especially #4, you can go back and add the #1.
