2016 LEXUS RX450H deactivate

511-1. For safe use
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For safety and security
RX450h_U_OM0E013U
SRS warning light
Seat belt reminder light
“AIR BAG OFF” indicator light
“AIR BAG ON” indicator light
Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification sys-
tem. This system detects the conditions of the front passenger seat and acti-
vates or deactivates the devices for the front passenger.
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521-1. For safe use
RX450h_U_OM0E013U
■Adult*1
■Child*4
Condition and operation in the front passenger occupant classification
system
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF”
indicator lights“AIR BAG ON”
SRS warning lightOff
Seat belt reminder lightOff*2 or
flashing
*3
Devices
Front passenger airbag
ActivatedSide airbag on the front passenger seat
Curtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger sideActivated *2 or
deactivated
*3
Front passenger’s seat belt pretensioner and force
limiterActivated
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“AIR BAG
OFF” or “AIR
BAG ON”
*4
SRS warning lightOff
Seat belt reminder lightOff*2 or
flashing
*3
Devices
Front passenger airbagDeactivated or activated
*4
Side airbag on the front passenger seatActivatedCurtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger sideDeactivated or
activated
*4, 2
Front passenger’s seat belt pretensioner and force
limiterActivated

531-1. For safe use
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For safety and security
RX450h_U_OM0E013U
■Child restraint system with infant*5
■Unoccupied
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“AIR BAG
OFF”
*6
SRS warning lightOff
Seat belt reminder lightOff*2 or
flashing
*3
Devices
Front passenger airbagDeactivated
Side airbag on the front passenger seatActivatedCurtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger sideDeactivated
Front passenger’s seat belt pretensioner and force
limiterActivated
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“AIR BAG OFF”
SRS warning lightOffSeat belt reminder light
Devices
Front passenger airbagDeactivated
Side airbag on the front passenger seatActivatedCurtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger sideDeactivated
Front passenger’s seat belt pretensioner and force
limiterActivated

541-1. For safe use
RX450h_U_OM0E013U
■There is a malfunction in the system
*1: The system judges a person of adult size as an adult. When a smaller adult sits in thefront passenger seat, the system may not recognize him/her as an adult depending on
his/her physique and posture.
*2: In the event the front passenger is wearing a seat belt.
*3: In the event the front passenger does not wear a seat belt.
*4: For some children, child in seat, child in bo oster seat or child in convertible seat, the
system may not recognize him/her as a child. Factors which may affect this can be the
physique or posture.
*5: Never install a rear-facing child restraint system on the front passenger seat. A for-
ward-facing child restraint syst em should only be installed on the front passenger seat
when it is unavoidable. ( P. 59)
*6: In case the indicator light is not illuminated, consult this manual on how to install the
child restraint system properly. ( P. 61)
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator lights“AIR BAG OFF”
SRS warning lightOn
Seat belt reminder lightOff
Devices
Front passenger airbagDeactivated
Side airbag on the front passenger seatActivatedCurtain shield airbag in the front passenger side
Seat cushion airbag in the front passenger sideDeactivated
Front passenger’s seat belt pretensioner and force
limiterActivated

871-4. Theft deterrent system
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For safety and security
RX450h_U_OM0E013U
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, wireless remote control or mech anical key. (The doors will lock again
automatically.)
●The hood is opened.
Close the doors and hood, and lock all
the doors. The system will be set auto-
matically after 30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Do one of the following to de activate or stop the alarms:
●Unlock the doors.
●Turn the power switch to ACCESSORY or ON mode, or start the hybrid sys-
tem. (The alarm will be deactivated or stopped after a few seconds.)
Alarm
The alarm
Setting the alarm system
Deactivating or stopping the alarm

881-4. Theft deterrent system
RX450h_U_OM0E013U
■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 mo on 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 si tuation, the door may automatically lock to
prevent improper entry into the vehicle:
●When a person remaining in the vehicle un locks 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 12-volt battery
●A person inside the vehicle opens a door or
hood, or unlocks the vehicle.
●The 12-volt battery is recharged or replaced
when the vehicle is locked. ( P. 570)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of
the system cannot be guaranteed.

1623-2. Opening, closing and locking the doors
RX450h_U_OM0E013U
●Fingernails may scrape against the door duri ng operation of the door handle. Be care-
ful not to injure fingernails or damage the surface of the door.
*: This setting can be customiz ed at your Lexus dealer.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle.
●The smart access system with push-button start can be deactivated in advance.
(  P. 607)
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the
vehicle.
Depending on the position and holding condition of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prevention may not operate.)
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors: Use the mechanical key. (P. 564)
●Starting the hybrid system: P. 566
■Customization
Some functions can be customized. ( P. 607)
■If the smart access system with push-button start has been deactivated in a customized
setting
●Locking and unlocking the doors:
Use the wireless remote cont rol or mechanical key. (P. 136, 142, 564)
●Starting the hybrid system and changing power switch modes: P. 566
●Stopping the hybrid system: P. 233

2054-1. Before driving
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Driving
RX450h_U_OM0E013U
With the brake pedal depressed, shift the shift lever to D. (P. 239)
Pull the parking brake switch and parking brake is set manually. ( P. 246)
Release the brake pedal and gently de press the accelerator pedal to acceler-
ate the vehicle.
Press the parking brake switch and pa rking brake is released manually.
( P. 246)
■When starting off on a uphill
The hill-start assist control will activate. ( P. 381)
■For fuel-efficient driving
Keep in mind that hybrid vehicles are simila r to conventional vehicles, and it is necessary
to refrain from activities su ch as sudden acceleration. ( P. 387)
■Driving in the rain
●Drive carefully when it is ra ining, because visibility will be reduced, the windows may
become fogged-up, and the road will be slippery.
●Drive carefully when it starts to rain, beca use the road surface will be especially slip-
pery.
●Refrain from high speeds when driving on an expressway in the rain, because there may
be a layer of water between the tires and th e road surface, preventing the steering and
brakes from operating properly.
■Restraining the hybrid system output (Brake Override System)
●When the accelerator and brake pedals are depressed at the same time, the hybrid sys-
tem output may be restrained.
●A warning message is displayed on the mult i-information display while the system is
operating. If a warning message is shown on the multi-in formation display, read the
message and follow the instructions.
■Restraining sudden start (Drive-Start Control)
●When the following unusual operation is pe rformed, the hybrid system output may be
restrained.
• When the shift lever is shifted from R to D, D to R, N to R, P to D, or P to R (D includes S) with the acce lerator pedal depressed, a warning message appears on
the multi-information display. If a warning message is shown on the multi-informa-
tion display, read the message and follo w the instructions.
• When the accelerator pedal is depresse d too while the vehicle is in reverse.
●While Drive-Start Control is being activated, your vehicle may have trouble escaping
from the mud or fresh snow. In such case, deactivate TRAC (P. 383) to cancel Drive-
Start Control so that the vehicle may beco me able to escape from the mud or fresh
snow.
Starting off on a uphill
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