2019 LEXUS RX450H child

2554-2. Driving procedures
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Driving
RX450h_RX450hL_U
■Parking brake indicator light and parking brake light
●Depending on the power switch mode, the parking brake indicator light and parking
brake light will turn on and stay on as described below:
ON mode: Comes on until the parking brake is released.
Not in ON mode: Stays on for approximately 15 seconds.
●When the power switch is turned off with th e parking brake set, the parking brake indi-
cator light and parking brake light will stay on for about 15 seconds. This does not indi-
cate a malfunction.
■Changing the mode
When changing the automatic mode on/off , the message will be shown on the multi-
information display and the buzzer sounds.
■Parking brake engaged warning buzzer
A buzzer will sound if the vehicle is driv en with the parking brake engaged. “Release
Parking Brake” is displayed on the multi-information display.
■Warning messages and buzzers
Warning messages and buzzers are used to indicate a system malfunction or to inform
the driver of the need for caution. If a warn ing message is shown on the multi-information
display, read the message and follow the instructions.
■If the brake system warning light comes on
P. 660
■Usage in winter time
P. 391
WARNING
■When parking the vehicle
Do not leave a child in the vehicle alone. The parking brake may be released uninten-
tionally and there is the danger of the ve hicle moving that may lead to an accident
resulting in death or serious injury.
■Parking brake switch
Do not set any objects near the parking br ake switch. Objects may interfere with the
switch and may lead the parking brake to unexpectedly operate.
NOTICE
■When parking the vehicle
Before you leave the vehicle, shift the shif t lever to P, set the parking brake and make
sure that the vehicle does not move.
■When the system malfunctions
Stop the vehicle in a safe place and check the warning messages.
■When the parking brake cannot be released due to a malfunction
Driving the vehicle with the parking brake se t will lead to brake components overheat-
ing, which may affect bra king performance and increase brake wear. Contact your
Lexus dealer immediately if this occurs.

5256-2. Using the air conditioning system and defogger
RX450h_RX450hL_U
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Interior features
Heated steering wheel/seat heaters/seat ventila-
tors


: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good ventilation using
a fan built into the seats.
WARNING
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold
remedies, etc.)
●Observe the following precautions to prevent minor burns or overheating:
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
●Do not put heavy objects that have an unev en surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat.
●To prevent 12-volt battery discharge, do not use the functions when the hybrid system
is off.

5436-4. Using the storage features
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Interior features
RX450h_RX450hL_U
■Removing the luggage coverRelease the cover from the left
and right anchors and allow it to
retract.
Compress the end of the luggage
cover and lift the luggage cover
up.
RX450h: After removing the lug-
gage cover, place it somewhere
other than the passenger compart-
ment.
RX450hL: Stow the luggage cover
under the deck board and side auxil-
iary box cover.
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WARNING
●Do not place anything on the luggage cover. In the event of sudden braking or turn-
ing, the item may go flying and strike an occupant. This could lead to an unexpected
accident, resulting in death or serious injury.
●Do not allow children to climb on the lugg age cover. Climbing on the luggage cover
could result in damage to the luggage cove r, possibly causing death or serious injury
to the child.

5666-5. Using the other interior features
RX450h_RX450hL_U
For vehicles sold in Canada
■When support is necessary
Visit on the web at www.homelink.com/lexus
or call 1-800-355-3515.
WARNING
■When programming a garage door or other remote control device
The garage door or other device may operat e, so ensure people and objects are out of
danger to prevent injury or potential harm.
■Conforming to federal safety standards
Do not use the HomeLink® compatible transceiver with any garage door opener or
device that lacks safety stop and reverse features as requ ired by federal safety stan-
dards.
This includes any garage door that canno t detect an interfering object. A door or
device without these features increases the risk of death or serious injury.
■When operating or programming HomeLink®
Never allow a child to operat e or play with the HomeLink® buttons.

6007-3. Do-it-yourself maintenance
RX450h_RX450hL_U
■After changing the engine oil
The engine oil maintenance data should be reset. Perform the following procedures:
Select on the multi-information display. ( P. 108)
Press or of the meter control switch, select the “Vehicle Settings” then “Oil
Maintenance”. (To conf irm setting, press .)
Select the “Yes” and push .
A message is displayed on th e multi-information display.
WARNING
■Used engine oil
●Used engine oil contains potentially harm ful contaminants which may cause skin dis-
orders such as inflammation and skin cance r, so care should be taken to avoid pro-
longed and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
●Dispose of used oil and filters only in a sa fe and acceptable manner. Do not dispose of
used oil and filters in household trash, in sewers or onto the ground. Call your Lexus
dealer, service station or auto parts store for information concerning recycling or dis-
posal.
●Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil fille r cap is properly tightened.
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6097-3. Do-it-yourself maintenance
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Maintenance and care
RX450h_RX450hL_U
■Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flammable and
explosive. Therefore, observe the following precautions before recharging:
●If recharging with the 12-volt battery installed on the vehicle, be sure to disconnect the
ground cable.
●Make sure the power switch on the charger is off when connecting and disconnecting
the charger cables to the 12-volt battery.
■After recharging/reconnecting the 12-volt battery
●The hybrid system may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the hybrid system.
●Unlocking the doors using the smart access system with push-button start may not be
possible immediately after reconnecting the 12-volt battery. If this happens, use the
wireless remote control or the mechan ical key to lock/unlock the doors.
●Start the hybrid system with the power sw itch in ACCESSORY mode. The hybrid sys-
tem may not start with the power switch turned off. However, the hybrid system will
operate normally from the second attempt.
●The power switch mode is recorded by the vehicle. If the 12-volt battery is reconnected,
the vehicle will return the power switch mode to the status it was in before the 12-volt
battery was disconnected. Make sure to turn off the power before disconnect the 12-
volt battery. Take extra care when connec ting the 12-volt battery if the power switch
mode prior to discharge is unknown.
If the system will not start even after multip le attempts at all methods above, contact your
Lexus dealer.
WARNING
■Chemicals in the 12-volt battery
The 12-volt battery contains poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death or serious
injury, take the following precautions while working on or near the 12-volt battery:
●Do not cause sparks by touching the 12-volt battery terminals with tools.
●Do not smoke or light a match near the 12-volt battery.
●Avoid contact with eyes, skin and clothes.
●Never inhale or swallow electrolyte.
●Wear protective safety glasses when working near the 12-volt battery.
●Keep children away from the 12-volt battery.
■Where to safely charge the 12-volt battery
Always charge the 12-volt battery in an open area. Do not charge the 12-volt battery in
a garage or closed room where th ere is insufficient ventilation.
■How to recharge the 12-volt battery
Only perform a slow charge (5 A or less). The 12-volt battery may explode if charged
at a quicker rate.
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6317-3. Do-it-yourself maintenance
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Maintenance and care
RX450h_RX450hL_U
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus dealer, loca l electrical appliance shops or
camera stores.
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to the local laws.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-button start and wireless remote control will not
function properly.
●The operational rang e will be reduced.
WARNING
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep away
from children. Failure to do so coul d result in death or serious injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other co mponent inside the remote control.
●Do not bend either of the battery terminals.

6948-2. Steps to take in an emergency
RX450h_RX450hL_U
■Stopping the hybrid system
Shift the shift lever to P, set the parking brake, and press the power switch as you normally
do when stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. (P. 630)
■Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the switch is
pressed. ( P. 240)
■When the electronic key does not work properly
●Make sure that the smart access system wi th push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features P. 740)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 160)
WARNING
■When using the mechanical key and operating the power windows or the moon roof
or panoramic moon roof
Operate the power window or the moon roof or panoramic moon roof after checking
to make sure that there is no possibility of any passenger having any of their body parts
caught in the window or the moon roof or panoramic moon roof.
Also, do not allow children to op erate the mechanical key. It is possible for children and
other passengers to get caught in the powe r window or the moon roof or panoramic
moon roof.
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