Genie GEN37374R Universal Garage Door Emergency Release Kit, One Size, Metallic - Garage Door Hardware - Amazon.com
365 Overhead Garage Door & Gate - Red release cord may get pulled which disengages the trolley: if unit runs but the black trolley doesn't move, check to re-engage the cord first.
AUTOMATIC GARAGE DOORS: Safety & Security Working Together - Superior Door Service
The Power is Out: How to Open Your Garage Door Manually – The Genie Company
Garage Emergency Release Pull Rope Cord Handle Kit 41A2828 Red Emergency Pull Rope with Handle - Amazon.com
Installing Sense contact sensor to garage door - Tips & Tricks - Wyze Forum
Genie 21123F.S Stealth Garage Door Opener Release Cord (7'-8'-10') for Residential Units
Genie GEN37374R Universal Garage Door Emergency Release Kit, One Size, Metallic - Garage Door Hardware - Amazon.com