Lexus GS430 User Manual page 37

KEYS AND DOORS
G11026
"When you attempted to lock the door(s) with the
electronic key still in the vehicle.
Outside alarm: One beep (sounds for 2 seconds)
See page 20 and 21 for details.
16
G11149
"When you pushed the lock button on the outside door
handle while carrying the electronic key with the engine
switch not to be turned off.
Outside alarm: One beep (sounds for 2 seconds)
See page 20 and 21 for details.