Drivers side door permanently locked

Remove the door panel and lubricate the parts in side the door. I used WD-40. Works fine now after lubricating. I had the similar problem with my driver side door on my 2003 ZX3. Key would not unlock door, outside door handle would not open door. Inside door handle would open door but it needed a little extra force to open. Inside lock worked fine.

You will have to remove the remote mirror housing cover before you can take the door panel off. Remove the plastic nut on the remote mirror control, the cover is held on with three snap fasteners. Also there are two hidden screws. One is under the small cap behind the handle used to open the door, the other is behind the cap on the face of the handle used to close the door. You will likely need a torque screwdriver to remove some of the screws. As I recall the hidden screws and some of the others require a 1/4 inch socket.

I am going to assume you have power windows. My 2003 ZX3 doesn't, so I have no idea how the power windows controls are attached to the door and or door panel.

After you get the door panel off you will have to peal off the insulation panel. I used a knife to cut the adhesive. The adhesive will restick when you put the insulation panel back in place after lubricating.

Took me about 30 minutes and little sweat to do this job.

I will try to do this as soon as I get a free moment as I am the mother of a 2 yr old. Thankyou for your advice.

Replaced the passenger side side view mirror yesterday. Had to remove the door panel to get to screws that fasten the mirror to the door. While I had the door panel off I lubricate the parts inside the passenger side door. This should prolong the need to do it in the near future on that door.