Chevrolet Pontiac Pursuit 2005 Owner's Manual page 9

Driver Seat Height Adjuster
The driver's seat height adjuster is located on the
outboard side of the seat.
To raise the seat, move the lever upward repetitively
until the seat is at the desired height. To lower the seat,
move the lever downward repetitively until the seat is
at the desired height.
Manual Lumbar
If your vehicle has this feature, the knob is located on
the front of the driver seat lower cushion.
Turn the knob clockwise or counterclockwise to increase
or decrease the lumbar support.
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