Reclining Seatbacks - Chevrolet 2000 Corvette Owner's Manual

Sport Seat (Option)
If your vehicle is equipped with a sport seat, there are
three other switches that help you change the shape of
the seat in addition to the power seat control. There are
two lumbar supports for the middle (A) and lower (B)
back. There's also a side bolster switch (C) that adjusts
the sides of the seat around you to give you more
lateral support.
For lumbar support, move each switch (A and B)
forward to inflate or rearward to deflate.
Move the side bolster switch (C) up for more side
support and down for less support.
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Reclining Seatbacks

The lever for the reclining seatback is located on the
side of each seat, near the base.
To adjust the seatback, lean slightly forward to lift your
weight off the seatback. Pull completely up on the lever
until it stops, and lean back to position the seatback to
where you want it. Release the lever to lock the seatback
into place.