Lexus GS430 User Manual page 169

Adjusting seat position
G16002
"For driver's seat
Move the control switch in the desired direction.
Releasing the switch will stop the seat and head restraint in
that position. Do not place anything under the seat, as this
might interfere with the seat movement.
You can adjust the head restraint in the desired position. To
adjust the head restraint, see "Head restraints" on page 148.
OCCUPANT RESTRAINT SYSTEMS
G16072
"For passenger's seat
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.
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