That is the theory. Before you count on it see if your wife can do it at 2 AM with the temperature in the teens and you are having a medical emergency...
The problem I had was that an ice storm froze the door in the closed position. So you are right, it would have been a bad idea to have my Jeep parked in there at the time. What’s worse, is that before I knew it was frozen, I tried using the garage door opener — instant broken garage door springš” Then I had to wait to use the emergency release after it thawed...