Lexus LC500h 2017 Owner's Manual page 22

Memory recall function (driver's side only)
Each electronic key can be registered to recall your preferred driving position.
■
Registering procedure
1
Turn the engine switch <power switch> to IGNITION ON mode <ON mode>.
2
Check that the shift position is in P.
3
Recall the driving position that you want to record.
LC500_LC500h_QG_OM11444U_(U)
4
While pressing the recalled button,
press and hold the door lock switch
(either lock or unlock) until the buzzer
sounds.
If the button could not be registered,
the buzzer sounds continuously for
approximately 3 seconds.
22