Open the trunk.
Locate the two plastic screws that hold the rear light cover in place. These screws are located on the inside of the trunk, near the top of the light cover.
Use a Phillips head screwdriver to remove the two screws.
Once the screws are removed, gently pry the rear light cover off of the car.
The turn signal bulb is located inside the rear light cover. To remove the bulb, simply turn it counterclockwise until it comes out of the socket.
Insert the new turn signal bulb into the socket and turn it clockwise until it is secure.
Snap the rear light cover back into place.
Replace the two plastic screws that hold the rear light cover in place.