Hi and thanks for using 2CarPros.com.
If the exterior handle is not working, either the linkage has come apart or the handle itself has broken inside the door.
You will need to remove the inside door trim panel. Here is a link that shows in general how it is done:
https://www.2carpros.com/articles/door-panel-removal
Next, I have attached four pictures. The first one are the directions specific to your vehicle for removing the panel. The second shows an exploded view of the panel. Pictures 3 and 4 discuss replacing the handle. Before you replace the handle, make sure the linkage is not the problem. The long vertical rod in picture 4 is the primary component in this linkage. It is what attaches to the handle and the latch. If it is bent or disconnected, it will need repaired.
Let me know if this helps or if you have other questions.
Take care,
Joe
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Sunday, October 14th, 2018 AT 5:37 PM