Instead of a cold chisel, you can use an electric drill on the frozen lock cylinder.
Abloy's current lock cylinder is called the Protec2, and is considered to be almost impossible to pick.
Fumbling at the lock cylinder, she found the keyhole by trial and error.
Using a K-tool and the adze end, a lock cylinder can easily be pulled.
On closer inspection, I saw that the lock cylinder was not only old but cheap.
Now I withdrew them from under my belt and used them to rip the lock cylinder out of the door.
The lock cylinder was encased and joined to the frame.
Most often, it is sufficient to remove the lock cylinder, the part with the keyhole.
Often just removing the lock cylinder, the part containing the keyhole, is necessary.
On some models, the lock cylinder, too, can be replaced relatively easily.