Toyota Lexusc Owner's Handbook Manual page 66

" Security indicator light
Setting the system
1. Turn the ignition key to the "LOCK" position and
remove it.
The engine immobilizer system causes the indicator light to
flash.
2. Close and lock all the doors and hood using an ignition
key or wireless remote control.
The flashing indicator light will remain on when all the doors
and hood are closed and locked.
3. After 30 seconds, the indicator starts flashing and the
system is set.
Cancelling the system
When you unlock any door using an ignition key or
wireless remote control, the system is cancelled.
Also, the system will be cancelled when the ignition key is
turned to the "ON" position.
Activating the system
The alarm sounds for about 1minute if any of the following are
operated:
D Unlocking any door without using an ignition key or wireless
remote control.
D Opening hood and any doors forcibly.
D Reconnecting the battery.
D Hotwiring the ignition.
KEYS AND DOORS
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