This may cover other years.
Open your trunk, you will need to crawl inside the trunk to change the bulb. There is a access hole right below the light.
After you crawl inside look up and you will see the access hole
You may have to move some of the sticky weather seal out of the way. Grasp the socket and turn counterclockwise about a quarter turn, then gently pull socket out.
Now holding the socket, grasp the bulb and gently turn counterclockwise and remove old bulb.
Now insert new bulb and twist. Put socket back in and twist clockwise.