Earlier today I noticed that my security system would not engage after I locked my TL. The doors all locked, but no beep. I made sure that all the doors, hood, and trunk were closed tight, still no beep.

I then found that the power lock control on the driver side door was not working. It worked on the other doors, but not the driver door. Also, I was unable to control the passenger windows from the driver door. Oddly, I could control the driver window, but that was it. The window controls worked on all the other doors.

Does anyone have an idea what might be wrong? I'm not sure if I'm dealing with a blown fuse or some other wiring issue in the door or something else.

Please help.