garage door opener battery issues 2

https://garagedooropenerrepairnews.novacrestiq.com/posts/garage-door-opener-repair-arizona-what-every-homeowner-needs-to-know-about-the-heat

It's always annoying when your garage door remote stops working, and nine times out of ten it's just the battery. I went a whole week manually opening the door before I realized the little lithium coin cell inside was dead. Now I keep a spare in the car.