Honda Acura TSX Sport Wagon 2011 Owner's Manual page 252

Replacing Light Bulbs
Socket
Bulb
Side Turn Signal/Emergency Indicator Light Bulbs
Door mirrors have the side turn lights. Have an authorized Acura dealer inspect
and replace the light bulbs.
250
Side Turn Signal/Emergency Indicator Light Bulbs
3. Turn the socket to the left and remove it.
4. Push in the old bulb, rotate to the left until
it unlocks, and remove.
5. Insert a new bulb.