You can just see the wires in the above piccy.
Change garage door lock barrel.
Depending on the model you have you may need to pry it out with a crowbar and hammer or remove it with a drill.
Close your garage door and remove your existing garage door lock.
You can also open the gap tween the frame and door with a pry bar near the bolts.
Find one with the most secure qualities.
However the bad news for you since you say that you ve not got a key is that you generally need a key to be able to easily take the cylinder out.
You can remove the lock measure it and replace it while you wait for the new one to arrive it only takes a matter of seconds with the key to remove the cylinder.
Step 2 remove old lock.
Open it up make a hook at one end.
Just like my door.
Place a nail over the pin and tap the nail with a hammer until you expose part of the pin.
Slide it under the door and catch the wires that actuate the lockingbolts.
Replace a garage door lock or handle with help from a garage do.
Remove the pin that secures the inside lock handle to the lock shaft in the center of the door panel.
Grab the pin with a pair of pliers to remove the pin from the shaft.
First take a trip to your hardware store and select a new lock.
Compatible with your door opener.
Pull down and you should release the lockingbolts.