Honda Acura TSX Sport Wagon 2011 Owner's Manual page 254

Replacing Light Bulbs
Bulb
Socket
Back-Up Light, Taillight Bulbs
When replacing, use the following bulbs.
Back-Up Light: 21W
Taillight: 5W
252
Back-Up Light, Taillight Bulbs
4. Turn the socket to the left and remove it.
Remove the old bulb.
5. Insert a new bulb.
1. Remove the cover by prying on the edge
of the cover using a flat-tip screwdriver.
Cover