Pontiac 1997 Grand Prix Owner's Manual page 13

Heated Seat (If Equipped)
If your vehicle has this
option, the switch is on the
center console, just behind
the open storage bin,
Press LO to warm the seat to a lower temperature. Press
HI
to warm the seat to a higher temperature. To turn this
feature off, place the switch in the center position.
Reclining Front Seatbacks
Lift the lever to release the seatback, then move the
seatback to where you want it. Release the lever to
lock the seatback in place. Pull up on the lever
without pushing on the seatback, and the seatback
will move forward.