The cord allows you to disengage your garage door from the opener allowing you to open it manually.
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The garage door emergency release cord is usually a red rope with a red pull handle and you will find it on the opener rail near your door.
This becomes necessary when there is a power failure or for some reason you lose your remote.
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The good news is turning off the release is as easy as turning it on simply pull the cord again hit your garage door remote and your garage door should pop right back on track.
Placing a shim in the weather stripping near the top of the garage and sliding a bent clothes hanger in to flip the lever will enable the door to be opened manually.
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Garage doors come with an emergency release cord to use in the above situations.
As soon as you can fix the underlying issue or your home s power comes back on you will have to reset the door back to its automatic mode.
All electronic or automatic garage doors have a bypass that will allow you to open it manually.
Of course this is a great security risk so you ll have to weigh the options on whether installing a secure shield or being able to engage your door manually from outside is more important.
When you manually open your garage door it will remain in manual mode until you reengage the door opener.