It will cause less damage to trunk by drilling through it with a cobalt drill.
WD 40, or a screwdriver and hammer, but the first one if you have the key
Remove the rear seat and go into the trunk that way use a screwdriver to turn the lock from the inside...
Easy take of the black cover with a hammer, Break out the tail lamp assembly and cut out the lock
Depends on the lock, for instance; to hot wire a car lock you simple take a flat head screwdriver and a hammer. You place the flat head screwdriver in the ignition, hit it with the hammer, and turn the car to start it. Similar methods apply to similar locks ;).
With a Large Hammer
Use a flathead screwdriver and a hammer and break the lock. OUCH!!! well you really stepped in it and that would just spread it around. Go to the back seat, reach under the back section with both hands and a strong/ quick thrust upward will pop the seat back out and up, pull it out of the way and you should be able to reach into the trunk.
drill the lock and push in, lift open the trunk door
To remove the lock set from the trunk of a 1989 Delta 88, first, open the trunk and locate the lock mechanism. You may need to remove the trunk lining or cover to access the screws or bolts securing the lock assembly. Use a screwdriver or appropriate tool to unscrew and detach the lock from the trunk. Once removed, disconnect any wiring if applicable, and the lock set should come out easily.
To remove the trunk lock of a 1987 Chrysler Fifth Avenue, first, ensure the trunk is open. Then, locate the retaining screws or clips securing the lock cylinder to the trunk lid; these are usually accessible from the inside of the trunk. Remove the screws or clips using a screwdriver or pliers, and gently pull the lock cylinder out of the trunk lid. If necessary, disconnect any wiring connected to the lock for models with electrical components.
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.
Hit it hard with a hammer. Either the lock will break open, usually what happens, or you'll break whatever the lock is on.
To change the trunk lock cylinder on an Oldsmobile Intrigue, first, remove the trunk lining to access the lock mechanism. Disconnect the rod linkage from the lock cylinder and then use a screwdriver to unscrew the retaining screws holding the cylinder in place. Once removed, insert the new lock cylinder, secure it with the screws, and reattach the rod linkage. Finally, replace the trunk lining to complete the installation.