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

https://www.slideserve.com/bitineomdt/broken-spring-replacement-help-for-an-unexpected-garage-door-failure-in-the-cold

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.