This exact thing happened to me. I think I had just closed the trunk, nothing would unlock, turn signals lit up, etc. Opened the car with my key and the alarm went off until I pressed the unlock. Then the car was fine!
I have a feeling this might only be an issue for people who decided to get...
There's a factory screen protector installed? I accidentally let a harder plastic rub against the screen and got a fat scratch :( the antiglare top is definitely plastic, but it didnt look like it was a screen protector.