Acura 2009 TSX Owner's Manual page 445

Replacing the High-mount Brake
Light
1. Open the trunk, and remove the
socket from the light assembly by
turning it one-quarter turn counter-
clockwise.
2. Pull the bulb straight out of its
socket. Push the new bulb straight
into the socket until it bottoms.
3. Reinstall the socket. Turn it
clockwise until it locks. Make sure
the new bulb is working.
Lights
439