I don't have an AT4 HD, but a 23 AT4X. Some of these issues I have noticed also. The "tailgate down" button right where you accidentally hit it all the time. Just a disaster waiting to happen for those of us that pull trailers, or have stuff in the back of the truck (I am a contractor) that will fall out while driving. Why in the hell would the tailgate go down while driving anyway? I got the GM box web thing simply because I can't risk losing thousands of dollars of tools out of the back of my truck in case the tailgate down button is accidentally hit.
The operating system is a bit slow. I blame GM for using outdated OS and not an optimized OS. Android is fine, but you can't be running 4 year old OS stuff. Plus you need to have a good enough mobile processor/ram/etc to not be laggy, and I don't believe that GM is using stout enough processor/ram/etc. I have a carplay box (usb-C in as an apple airplay but runs full Android) as my full time operating system for most things. Yes, even this is a little laggy/slow, but it gives me tons of more options - full android and any android app can be installed and used as normal - to be able to use the big display for. I do wish one could maximize the display and get rid of the right 3rd being a clock or smaller nav maps. However, I use Nav a lot to get to different/new jobsites, so I utilize the right 3rd as my Nav map quite often. Not a huge issue or deal for me, but would still like to be able to maximize the main screen for the full display if I wanted.
Starting this past friday, my rear camera mirror started glitching. Half the time it works, half the time now it doesn't. I suppose I will have to take it in the GM if it keeps doing this. Plus, the night time view on my 23 AT4X rear view camera mirror is not nearly as good as it was on my 2020 AT4. Odd.
There are other things I am not very fond of, but overall this is a very nice truck. No manufacturer makes a perfect vehicle, and I still like the looks of the GM/GMC's better than other brands. All of them can be made to look very nice with wheels/tires/lift or level/etc. But still like the GM styling the best, been that way since the 2008 GM body style became available.
best 5.9 you could ask for my 08 my buddy still has and it’s had a hard life …. My ford 6.0 …… nope don’t wanna talk about it a few 1/2 tons in there dodge and GMC a 18 and a 20 Cummins (tons of issues) on the 20 but I am starting to feel like I really don’t like this truck, motors great ride is unreal tech is trash, exhaust sounds good especially with active exhaust. Seats are super comfy HUD is great truck looks beautiful but already back seat rattle issues and speakers ratting I used to think Bose was the best but come on even my 2500 rams came with subs from the factory …. Not the best but decent. I have a 2500 AT4 still on order so we will see if I end up getting it or not I would love to know what some other 2500 guys think about the 24s. I don’t tow that heavy anymore max is 8k and I know this truck will do it just fine. But for the price of premium why not just get a diesel again with more than the damn 26 gallon tank or whatever this 5 gallon can of a fuel tank is .
