HOW2 Break Into A Garage In 6 Seconds:

Stopping this type of break-in:

Of course not all brands garage doors are the same. The key in this demonstration video is the type of release and more importantly the glass windows. In talking to a garage door installer the key in this video is the ability to see the release, otherwise the burglar would be playing blind with the coat hanger. It could take forever! So if you have the glass windows and this type, or similar, of release cover the windows from the inside.