power outage garage access

https://wiki-wire.win/index.php/Essential_Desert_Heat_Garage_Door_Tips_for_Arizona_Homeowners

I went to grab a tool from the garage last night, but the power was out. The automatic door opener was useless, and I couldn't even find the manual release cord in the dark. I wish I had a backup key or a flashlight stashed near the door for situations like this.