take panels on the inside of the trunk off and they should be right behind the taillights 3rd brake light is on the bottom of the back dash
How to change third brake light in 2009 Hyundai sonata
BMW servise
remove tail light and reach through
the screws come off and you replace it
Remove the two screws holding the third brake light lens on then remove the lens, it may be stuck but it will pop off. Replace the two bulbs in there by pulling them straight out.
The third brake light on a 2007 Toyota Avalon is replaced by first removing the rear, retaining screws. The wiring harness can then be disconnect and the light bulb removed.
the third brake light is direct from brake light switch no fuse
Begin by removing the wiring harness from your third brake light. Remove the third brake light retaining screws. Reverse the process to install your new third brake light.
Its a whole led unit replace whole deal not bulb
Take out the two screws and replace one or both of the lamps.
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
Bulb is probably defective. Replace it.