Chevrolet 2003 Cavalier Owner's Manual page 10

Your vehicle will be equipped with one of the following
passenger seat adjusters.
If your vehicle is not equipped with easy entry seats,
your passenger seat adjuster looks like this. Slide
the lever located under the passenger's seat to the right
to unlock it. Slide the seat to where you want it and
release the lever. Then try to move the seat with your
body, to make sure the seat is locked into place.
If your vehicle is equipped with easy entry seats, this is
your front passenger seat adjuster. Pull up on the
lever located at the front of the passenger's seat up to
unlock it. Slide the seat to a comfortable position
and release the lever. Then try to move the seat with
your body, to make sure the seat is locked into place.
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