This is true weather you have a torsion or extension spring system.
Garage door opening manually.
This can help avoid injury or damaging the door while working.
It makes the door operate quiet and makes the chain and all.
Consult it first before tinkering with your door.
If you have a locked garage the house will generally have the clasp side attached to it while the other side where the locking mechanism goes will attach to the garage itself.
If your garage door is too heavy to lift by yourself avoid trying to open it manually and opt for a professional garage door repair service instead.
Torsion spring systems use spring s that are mounted to a spring bar torsion tube that is mounted to the header above the garage door opening.
Keep your garage door manual on hand and consult it before you begin working on your door.
To manually open your garage you will first need to open any latches or locks on the outside that otherwise keep the door shut.