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/can-a-snapped-spring-cause-off-track-door-roller-replacement-on-cold-mornings-14866706

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.