Very nice Frau.
The "I'm gonna pull my hair out" stage is complete.
Now it's on to the heavy lifting.
Your garage door opener should have what's called a dip switch in the motor housing and the remote. This is merely a discrete component with a row of numbered switches. resetting these to a matching configuration should be a piece of cake. the only tools you may require will be a step ladder and a screwdriver.
Slow and steady wins the race
So, you have at least a month to get out of the apartment.
Take your time.
Uh oh, here comes the fatherly advice...
Never leave your garage door opener in the car while it's parked in the driveway. I'm guessing that there is a portal in the garage that leads into the abode?
If a burgurgaler is familiar with your ninja skills you won't be bothered. If not, the burgurgaler will rue the day.
Moving in Skyrim can be a real pain without the bottomless back pack mod.