Lexus ES300 2003, Manual

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THEFT DETERRENT
157
Cancelling the system
When you unlock any door or trunk using an ignition key
or wireless remote control, the system is cancelled.
If you unlock any door or trunk with wireless remote control, the
turn signal lights flash twice.
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 or
wireless remote control
D Opening the hood forcibly
D Reconnecting the battery
If any door is unlocked and the ignition key is not in the ignition
switch during the alarm sounding, the door is automatically
locked.
To stop the alarm: Use either of the following methods.
D Unlock the door using an ignition key or wireless remote
control.
D Turn the ignition switch on.
Testing the system
1. Open all the windows.
2. Set the system as described above.
The front doors should be locked with the ignition key or
wireless remote control. Be sure to wait until the indicator light
starts flashing.
3. Unlock one of the doors from the inside.
The system should activate the alarm.
4. Unlock any of the doors with a key or the wireless
remote control to cancel the system.
5. Repeat this operation for the other doors 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
Disconnecting the battery may result in the erasure of
information you have set in the computer memory. After
reconnecting the battery, check that the memorized
data has been retained. If it has been erased, input it into
the computer once more.