More than likely he tried to turn the key and jammed the ignition tumblers in the cylinder. I would try unhooking the battery again and then see if it moves if it does leave it in run but unhook the battery. That is because it has to be in the run position to remove the actual key cylinder. If it cannot be moved to run then it will need to be drilled to remove it.
One thing to consider first is to have a locksmith set up a new cylinder to fit your original keys, that way you lower the chances of this happening again as you will only need the original keys for the doors/trunk and ignition, instead of two keys that could cause this again.
There are two options to this repair. The easier one would be to pay the locksmith to drill the cylinder and repair it in the car. The other method still involves drilling it out but it also requires removing the radio and then unbolting and removing the switch from the vehicle. Also both methods may require the immobilizer tamper assembly to be replaced and reprogrammed to the vehicle.
If you can get it to turn then you simply remove the small switch bezel by gently prying it off. Then gently remove the center dash trim, it just pulls free from the clips. Now with the key turned to the run position you reach into the release slot on the lower right of the ignition switch and push the release and then pull out on the key to remove the cylinder.
Then if you had the replacement cut to match the original keys just position it in the run position and push it in until it latches and now turn it off. Reconnect the battery and test it. If the immobilizer has tripped you will need to remove the new cylinder and then remove the radio and the switch housing. Install the new one and reinstall the radio and then have the new theft sensor programmed into the system.
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Tuesday, June 12th, 2018 AT 6:32 PM