1. Open the trunk and locate the third brake light housing. It is at the top of the trunk, just below the rear window.
2. Gently pry open the housing by inserting a flathead screwdriver into the gap between the housing and the trunk lid.
3. There will be a socket for the third brake light bulb. Turn the bulb counterclockwise to remove it.
4. Insert a new bulb into the socket and turn it clockwise to secure it.
5. Snap the housing back into place.
6. Test the brake lights to ensure that the new bulb is working properly.
