Power Lumbar - Chevrolet HHR 2011 Owner's Manual

Power Lumbar

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If your vehicle has this feature, the control is located on
the outboard side of the driver's seat cushion.
To increase support, press and hold the front of the
control. To decrease support, press and hold the rear of
the control. Keep in mind that as your seating position
changes, as it may during long trips, so should the
position of your lumbar support. Adjust the seat as
needed.