To open a frozen lock, you can try using a de-icer spray, a hairdryer to melt the ice, or a lubricant like WD-40. You can also try gently tapping the lock with a hammer to break up the ice. Be patient and avoid using excessive force to prevent damaging the lock.
If the electric door lock is frozen on a 1999 Suburban, a hair dryer can be used to warm the area of the door where the lock mechanism is. If the key entry is also frozen, there is a lock de-icer pen that can be used to spray away frost in the keyhole.
Buy a can of lock unfreeze or wd-40
If you encounter a frozen lock on your door, you can try using a hairdryer to gently heat the lock and key. Avoid using hot water or force, as this can damage the lock. If that doesn't work, you may need to call a locksmith for assistance.
There really is no way. If you put the lock on something open important, you may have to cut the lock.
Pick Lock
You can open a key lock on a door knob, or you can open a deadbolt lock on the door itself.
buy a new lock
If you do not have the combination, there is no way to open the lock. A master combination would defeat the purpose of having the lock.
Lock mechanism probably frozen or broken--you should be able to access by removing inner door panel to determine problem
The lock has a clip on the inside, pull the clip off and the lock will come out, remove the lock rod and then you can use a screwdriver to open the lock.
Slide the card through the slot where the lock is by the door. Set the card where the lock would be. Now open the door.
A key, or a Combonation