My key will not open the driver’s side?

When you say key do you mean the remote or physical key in the lock? If you are using the remote it sounds like the BCM is going out which controls the door lock system. Here are the door lock wiring diagrams so you can see how the system works, I have also provided a guide to help you understand the diagrams:

https://www.2carpros.com/articles/understanding-automotive-wiring-diagrams-a-step-by-step-guide-for-beginners

Here is a guide on how to change out the BCM, you can get a preprogrammed unit by searching Google or Ebay:

https://www.2carpros.com/articles/how-to-replace-a-bcm-body-control-module

Here is the location of the BCM for your car. Check out the images (below). Please let us know what happens.

Okay, this means the door lock tumbler is worn out or the key needs to be replaced, do you have another key you can try? Here is how to replace the tumbler in the door. Check out the images (below). Let us know how it goes.