Buick 2006 LaCrosse Owner's Manual page 10

Heated Seats
Press the button once to activate the high heat setting.
Both indicator lights on the button will come on.
Press the button again to select the lower temperature
setting. Only one indicator light will come on. Press the
button a third time to turn the heat off.
This feature only works when the ignition is on.
1-4
If your vehicle has this
feature, the buttons are
located on the climate
control panel.
Reclining Seatbacks
Lift the lever located on the outboard side of the seat to
release the seatback, then move the seatback to the
desired position. Release the lever to lock the seatback
in place.