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Congrats, @cmac610! You clinched first place in the April 2025 Hummer of the Month contest with a seriously killer photo. 👏🏆

That's not mine! I ran across that photo while searching for wheels. However, it's my understanding you can take it to the dealer and they can calibrate the Hummer for 37s.

They are BFG 37x12.50s KO2s. You should be able to run those on the stock 18" wheels.

GM is rolling out another OTA update! According to the release notes: * Improves accuracy of service messages for high voltage charging system * Reduces drain on 12V Battery. * Improves performance of charging. * Improves performance of wireless communication of the Lithium Ion battery status *...

Check out this video, it might help:

I think it would be kind of funny for GM to introduce a new feature via software update that probably no one has requested, and ignore all the requests that came in to epicideas@gm

Well this morning there was a notification an update was available and it updated with no problems. The entire process took about 10 minutes. Let's hope we start seeing some new features soon!

Got a notification that the update was ready a few minutes ago and everything was going smoothly—until I got a call about 10 seconds before it started. Apple CarPlay kicked in and interrupted the process. Now I can’t get it to restart the update.

That's the same error message I'm getting as well. (2025 2x) - I'm going to take it in to the dealer this week. My Onstar quit working as well, I wonder if it's related?

https://www.hummerevforum.com/threads/gmc-teases-big-hummer-ev-reveal-for-may-15-2025.443/

Looks like GMC has something cooking for May 15th! 👀. Could this be our first look at the 2026 Hummer EV? The teaser clip shows a few interesting changes. One thing that stands out is a redesigned interior control dial — could be a hint at a cabin refresh. What really caught my eye was the...

I’ve noticed a few posts in the Facebook group about owners starting to receive the new OTA update, GM N25-172AE. Has anyone here on the forum gotten it yet? Curious if you’ve seen any issues or improvements.”