2009 Hummer H3T Owner's Manual - Page 8
2009 Hummer H3T Manual
Page 8 highlights
1-4 Seats and Restraint System Manual Lumbar Power Lumbar Heated Seats This feature heats the cushion and seatbacks. On vehicles with this feature, the knob is located on the outboard side of the seat. Turn the knob clockwise or counterclockwise to increase or decrease the lumbar support. On vehicles with this feature, the control is located on the outboard side of the seat(s). To increase or decrease lumbar support, press and hold the front or rear of the control. On vehicles with this feature the controls may be located on the outboard sides of the front seats. Press the top of the switch to turn the heat to the high setting. Press the bottom of the switch to turn the heat to the low setting. Put the switch in the center position to turn the heat off.
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