Lexus 2003 LS Owner's Manual page 129

Adjusting front passenger's seat from the
driver's seat
16L266a

Seat position
Move the control switch in the desired direction.
Releasing the switch will stop the seat in that position. Do not
place anything under the seat as this might interfere with the
seat movement.
CAUTION
If you operate the switch when a front passenger is
seated or he or she is getting on or off the front
passenger seat, take full safety precautions beforehand
by telling the occupant that the seat is about to move.
COMFORT ADJUSTMENT
16L265a

Seatback angle
Move the control switch in the desired direction.
Releasing the switch will stop the seatback in that position.
115