call a lock smith
its possible that the lock cylinder is broken. if you cant turn your key that's what it is. its around $20 to replace. make sure you get keys to go with the cylinder.
To remove the trunk lock cylinder from a Dodge Neon, start by opening the trunk and locating the access panel behind the lock cylinder. Remove the screws or clips holding the panel in place and carefully detach it. Then, disconnect the wiring harness if present and use a flathead screwdriver to push the retaining tab on the lock cylinder, allowing you to pull it out from the trunk lid. Finally, reverse the process to install the new lock cylinder if necessary.
how to remove a door lock cylinder on 2000 dodge neon
No, all Dodge Neon's do not have a trunk release. This was part of the option package offered on some of the earlier Dodge Neons.
Make sure the latch is open and did not get closed accidently (put the key in lock and turn it to the unlock position and see if lock assembly opens)
The jack and spare tire for a 2002 dodge neon is located in the trunk, under the trunk mat. The jack is located with the spare tire.
How to unlock.dodge neon with the keys locked in.
check to see if there is a botton to pop the trunk in the glovebox, i just got my neon and mine is in there.
If your original key fits into the replacement trunk lock cylinder, it can be rekeyed. The problem with doing this yourself is not having the right parts. An honest locksmith should be happy to do this for less than 30 dollars.Good luck : )
There is a trunk release inside the drivers door on the floor
Try going to the dealer with the VIN, your ID and proof of ownership (and some $$$, some of those chipped keys aren't cheap). Some of the dealers have the ability to cut keys from the VIN. Sounds like you need a spare anyways.
If the keys to a Dodge Neon are lost first try to contact someone who has a spare. If no one has a spare a locksmith can create a new key.