Lexus LS500h, Manual, Page: 73 / 524

73
1-5. Theft deterrent system
LS500h_OM_(U)_1810
1
For safety and security
■
Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.

The windows and moon roof are
closed before the alarm is set.
 No valuables or other personal
items are left in the vehicle.
■
Setting
Close the doors, trunk and hood, and
lock all the doors. The system will be
set automatically after 30 seconds.
The indicator light changes from being on
to flashing when the system is set.
■
Canceling or stopping
Do one of the following to deactivate
or stop the alarms:

Unlock the doors.

Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.)
■
System maintenance
The vehicle has a maintenance-free type
alarm system.
■ Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.)
● The trunk is opened using the mechanical
key.
● A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle.
Alarm
The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door or trunk is
unlocked or opened in any way
other than using the entry func-
tion, wireless remote control or
mechanical key. (The doors will
lock again automatically.)

The hood is opened.
Setting/canceling/stopping the
alarm system