Ignition Lock Cylinder/ Ignition Lock Electrical Assembly on 1997 Buick Park Avenue

My car dings after opening the door as if my keys are still in the ignition. The side and rear running lights also remain on until the system resets (20 min). After closing the door and then opening it back up, the dinging continues. I am not sure If I need to replace the lock assembly or the actual lock electrical assembly or both. What's the deal? Thanks!

Asked by for the 1997 Buick Park Avenue
There is a switch at the ignition lock cylinder that controls the ding-ding sound. There could be a problem with the switch or the wiring to it. There is some service informaton and wiring digrams available at autozone.com. Have a look and see what you can find out.
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