After "Theft Attempted" I can't stop the alarm when locking my 2018 GMC Sierra Denali.

[Jimmy on LI]

So yesterday morning I tried to remote start my truck, but it wouldn't start. Started fine manually, but when the notifications came up it said "Theft Attempted". Drove fine, but when I got to work, I locked the truck in the lot, and after a couple of minutes the alarm started going off. The only way to stop it was to unlock the truck. So now I can't lock the truck without setting off the alarm, and my remote start doesn't work. How can I reset the "Theft Attempted" notification so that I can use my remote start and lock the truck again? Thanks for your help!