The first sign of trouble may be the crack of a garage door spring snapping on a cold morning

https://coachguide997.readspirex.com/posts/broken-spring-replacement-and-smart-garage-door-opener-installation-before-the-next-freeze-2

The first sign of trouble may be the crack of a garage door spring snapping on a cold morning, followed by the discovery that the opener can no longer help.