From inside the cab, pull the Left and Right corner of plastic cover (gentle not to break it) Cover should slide out and expose the light and wires, the rest is just straight forward.
remove the trunk lining or bend it back easy where the brake light is to access it and change it out.
If you mean the brake light, you just have to change the bulb or bulbs.
You have to remove the trunk liner from the rear of the car,and then remove the three bolts that hold the taillight into place.
what do you have to do to change the center brake light
WHICH brake light?
Grab the cover over the third brake light and pull towards you ( away from the rear window) the plug is right there just twist to take bulb out
Break light fuse
how to change a brake light on 2002 Nissan altima
Change brake light bulbs Just remove the rear license plate. You can change the backup lights and brake light easily.
The Chevrolet Colorado brake light switch is quite simple to change. The brake light switch simply plugs in and out.
If your talking about the one in your rear windshield then open your trunk and directly underneath the light you will see a twist off cap. Just twist it off and the light bulb will come right out.
sh*T if i know