Lexus 2004 GX470 Owner's Manual page 130

Adjusting front seats
16PY001
"
1 Seat position control switch, seat cushion angle
and height control switch
2 Seatback angle control switch
3 Lumbar support control switch
OCCUPANT RESTRAINT SYSTEMS
Adjusting 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.
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