The chill of dawn makes metal brittle, and a garage door spring snapping can echo across the driveway like a gunshot

https://garageresource110.zenbloomer.com/posts/broken-spring-replacement-on-a-freezing-morning-what-homeowners-should-know

The chill of dawn makes metal brittle, and a garage door spring snapping can echo across the driveway like a gunshot, startling everyone inside the house.