Honda Acura TSX Sport Wagon 2011 Owner's Manual page 128

Adjusting the Seats
Armrest
Using the Front Seat Armrest
Using the Rear Seat Armrest
126
Armrest
The console lid can be used as an armrest.
To adjust:
Push the release lever and slide the armrest
to a desired position. Release the lever to lock
the position.
Pull down the armrest in the center seat-
back.