Acura 2009 TSX Owner's Manual page 444

Lights
6. Insert the socket back into the
light assembly. Turn it clockwise
to lock it in place.
7. Turn on the lights to make sure
the new bulb is working.
8. Reinstall the trunk lid lining. Make
sure it is installed under the edge
of the trunk seal.
9. Install the fasteners.
438
Side Turn Signal Lights
Each outside mirror has side turn
signal lights. The lights should be
replaced by your dealer.
Rear License Plate Light Bulbs
The license plate has two lights
above it. The bulbs should be
replaced by your dealer.