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811-3. Theft deterrent system
1
For safety and security
RX350/RX200t_EE_OM48F32E
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modi fied or removed, the proper operation of
the system cannot be guaranteed.
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821-3. Theft deterrent system
RX350/RX200t_EE_OM48F32E
Vehicles employing this system have
labels on the side window of both front
doors.
Turn the engine switch off, have all the passengers exit the vehicle and ensure
that all the doors are closed.
Using the entry function:
Touch the sensor area on the outside door handle twice within 5 seconds.
Using the wireless remote control:
Press twice within 5 seconds.
Using the entry function: Hold the outs ide door handle, press the back door
opener button or hold your hand over th e rear emblem (vehicles with a touchless
power back door).
Using the wireless remote control: Press .
Double locking system
Unauthorized access to the vehicle is pr evented by disabling the door unlock-
ing function from both the interior and exterior of the vehicle.
Setting the double locking system
Canceling the double locking system
WARNING
■Double locking system precaution
Never activate the double locking system when there are people in the vehicle because all the doors cannot be opened from inside the vehicle.
Page 83 of 776

831-3. Theft deterrent system
1
For safety and security
RX350/RX200t_EE_OM48F32E
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
●A locked door is unlocked or opened in any way other than using the entry
function or wireless remote control. (The doors will lock again automatically.)
●The hood is opened.
●The intrusion sensor detects something moving inside the vehicle. (An
intruder gets in the vehicle.)
●The tilt sensor detects a change of vehicle inclination. (if equipped)
●Any of the windows are broken.
Close the doors and hood, and lock all
the doors using the entry function or
wireless remote control. The system will
be set automatically after 30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Do one of the following to deactivate or stop the alarm.
●Unlock the doors using the entry function or wireless remote control.
●Start the engine. (The alarm will be deactivated or stopped after a few sec-
onds.)
Alarm
: If equipped
The alarm
Setting the alarm system
Deactivating or stopping the alarm
Page 84 of 776

841-3. Theft deterrent system
RX350/RX200t_EE_OM48F32E
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing.
●Nobody is in the vehicle.
●The windows and moon roof or panoramic m oon roof are closed before the alarm is
set.
●No valuables or other personal items are left in the vehicle.
■Triggering of the alarm
The alarm may be triggered in the following situations: (Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically lock to prevent improper entry into the vehicle:
●When a person remain ing in the vehicle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the battery
●The doors are unlocked using the mechanical key.
●A person inside the vehicle opens a door orhood, or unlocks the vehicle.
●The battery is recharged or replaced when the
vehicle is locked. ( P. 716)
Page 85 of 776

851-3. Theft deterrent system
1
For safety and security
RX350/RX200t_EE_OM48F32E
●The intrusion sensor detects intruders or movement in the vehicle.
●The tilt sensor detects changes in vehicle inclination, such as when the vehicle
is towed away.
This system is designed to deter and pr event vehicle theft but does not guarantee
absolute security against all intrusions.
■Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically when the alarm is
set. ( P. 83)
■Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle, make sure to
disable the intrusion sensor and tilt sensor before setting the alarm, as they will
respond to movement inside the vehicle.
Turn the engine switch off.
Press the intrusion sensor and tilt
sensor cancel switch.
A message will be shown on the
multi-information display in the
instrument cluster.
The intrusion sensor and tilt sen-
sor will revert to on each time the
engine switch is turned to IGNI-
TION ON mode.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modi fied or removed, the proper operation of the system cannot be guaranteed.
Intrusion sensor (if equipped) /Intrusion sensor and tilt sensor
(if equipped)
1
2
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861-3. Theft deterrent system
RX350/RX200t_EE_OM48F32E
■Canceling and automatic re-enabling of the intrusion sensor and tilt sensor
●The alarm will still be set even when the intrusion sensor and tilt sensor are canceled.
●After the intrusion sensor and tilt sensor are canceled, pressing the engine switch or unlocking the doors using the entry function or wireless remote control will re-enable
the intrusion sensor and tilt sensor.
●The intrusion sensor and tilt sensor will automatically be re-enabled when the alarm system is reactivated.
■Intrusion sensor dete ction considerations
The sensor may trigger the alarm in the following situations:
●People or pets are in the vehicle.
●A window or moon roof, panoramic moon roof is open.
In this case, the sensor may detect the follow-
ing:
• Wind or the movement of objects such as leaves and insects inside the vehicle
• Ultrasonic waves emitted from devices such as the intrusion sensors of other vehi-cles
• The movement of people outside the vehi- cle
●Unstable items, such as dangling accessories
or clothes hanging on the coat hooks, are in the vehicle.
Page 87 of 776
871-3. Theft deterrent system
1
For safety and security
RX350/RX200t_EE_OM48F32E
●The vehicle is inside an automatic or high-pressure car wash.
●The vehicle experiences impacts, such as hail, lightning strikes, and other kinds of repeated impacts or vibrations.
■Tilt sensor detection cons iderations (if equipped)
The sensor may trigger the alarm in the following situations:
●The vehicle is transported by a ferry, trailer, train, etc.
●The vehicle is parked in a parking garage.
●The vehicle is inside a car wash that moves the vehicle.
●Any of the tires loses air pressure.
●The vehicle is jacked up.
●An earthquake occurs or the road caves in.
●Cargo is loaded onto or unloaded from the roof luggage carrier.
●The vehicle is parked in a place where extreme vibrations or noises occur, such as in a parkinggarage.
●Ice or snow is removed from the vehicle, caus-ing the vehicle to receive repeated impacts orvibrations.
Page 88 of 776
881-3. Theft deterrent system
RX350/RX200t_EE_OM48F32E
NOTICE
■To ensure the intrusion sensor functions correctly
●Installing accessories other than genuine Lexus parts or leaving objects between the
driver’s seat and front passenger’s seat may reduce the detection performance.
●Do not spray air freshe ners or other products
directly into the sensor holes.
●To ensure that the sensors operate properly, do not touch or cover them.