Toyota LEXUS LS430 2005 Manual page 71

KEYS AND DOORS
Activating the system
The alarm sounds for 60 seconds if any of the following are
operated:
D Unlocking any door or trunk without using an ignition key,
wireless remote control or smart key system.
D Opening the hood forcibly.
D Reconnecting the battery.
D Hot−wiring the ignition.
If any door is unlocked and the ignition key is not in the ignition
switch during the alarm sounding, its door is automatically
locked.
To stop the alarm: Use either of the following methods.
D Unlock the door or trunk using an ignition key or wireless
remote control or smart key system.
D Turn the ignition switch on.
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Testing the system
1. Open all the windows.
2. Set the system as described above.
The doors should be locked with an ignition key, wireless
remote control or smart key system. Be sure to wait until the
indicator light starts flashing.
3. Unlock one of the doors from the inside through one of
the opened windows.
The system should activate the alarm.
4. Unlock any of the doors with an ignition key, wireless
remote control or smart key system to cancel the system.
5. Repeat this operation for the other doors, trunk and
hood.
When testing the hood, also check that the system is activated
when the battery terminal is disconnected and then
reconnected.
If the system does not work properly, have it checked by your
Lexus dealer.
NOTICE
When disconnecting the battery, be sure to cancel the
theft deterrent system. Otherwise, the system could
activate an alarm and lock the unlocked door(s)
automatically.