Hummer 2006 H3 Owner's Manual page 10

Heated Seats
This feature will quickly heat the lower cushion and
lower back of the driver's and front passenger's seats.
Press the bottom of the switch to turn the heater on
the low setting. Press the top of the switch to turn
the heater on the high setting. Put the switch in the
center position to turn the heater off.
The ignition must be on for the heated seat feature to
work. The passenger's safety belt must be engaged for
the heated seat feature to work on the passenger's seat.
1-4
If your vehicle has this
feature, the controls are
located on the outboard
side of the front seats.
Reclining Seatbacks
To recline your seatback, lift the lever on the outboard
side of the seat(s).
Release the lever to lock the seatback where you want
it. Pull up on the lever and without pushing on the
seatback, the seat will go to an upright position.