If you have a remote that locks & unlocks your antitheft system it could be as simple as resetting your remote, I had a similar experience.
Ignition lock out
How do you reset the security system 1995 Nissan Sentra?
You reset the alarm by unlocking the doors with a key. A 1995 Jeep does not have a reset button.
On my 96 wagon , I have to disconnect the battery for about ten minutes to reset the system
you use the key to open the door.
No. Chrysler does not use reset buttons. The fuel system is controlled with relays.
A 1995 Jeep does not have a reset button.
1995 Buick LeSabre how do i reset my radio
Dodge does not use inertia/reset switches. The fuel system is computer controlled with relays.
No such thing as a "reset" you have to fix the problem. Probably broken wire on key lock cyl. or bad key.
where is a reset switch for 1995 fleetwood cadillac