2018 LEXUS RX450h warning

4115-1. Basic Operations
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Lexus Display Audio system
RX450h_RX450hL _U_OM48F85U■
When using a 4-pole AUX cable
If a 4-pole AUX cable with a different layout is used, audio and/or video may not be out-
put properly. ■
When using the USB/AUX port
There is clearance between the lid and console
box to allow the cable ro uted to outside the con-
sole box.
WARNING ■
While driving
Do not connect a device or operate the device controls.
NOTICE ■
To prevent damage to the device or its terminals
Depending on the size and shape of the device that is connected to the system, the
console box/auxiliary box may not close fully. In this case, do not forcibly close the con-
sole box/auxiliary box as this may da mage the device or the terminal, etc.

4875-11. Bluetooth ®
5
Lexus Display Audio system
RX450h_RX450hL _U_OM48F85UWARNING ■
While driving
Do not operate the portable audio player, ce llular phone or connect a device to the
Bluetooth ®
system.■
Caution regarding interference with electronic devices●
Your audio unit is fitted with Bluetooth ®
antennas. People with implantable cardiac
pacemakers, cardiac resynchronization ther apy-pacemakers or implantable cardio-
verter defibrillators should maintain a re asonable distance between themselves and
the Bluetooth ®
antennas. The radio waves may affe ct the operation of such devices.●
Before using Bluetooth ®
devices, users of any electrical medical device other than
implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or
implantable cardioverter defi brillators should consult the manufacturer of the device
for information about its operation under th e influence of radio waves. Radio waves
could have unexpected effects on the operation of such medical devices.
NOTICE ■
When leaving the vehicle
Do not leave your portable au dio player or cellular phone in the vehicle. The inside of
the vehicle may become hot, causing damage to the portable audio player or cellular
phone.

502 6-1. Basic operation of the Remote Touch screen
RX450h_RX450hL _U_OM48F85U■
Screen display during low temperatures
When the ambient temperature is extremely low, screen response may be delayed even
if the Remote Touch is operated.
WARNING ■
When using the Remote Touch ●
Do not allow fingers, fingernails or hair to become caught in the Remote Touch as this
may cause an injury. ●
Be careful when selecting the Remote Touch in extreme temperatures as it may
become very hot or cold due to the temperature inside the vehicle.
NOTICE ■
To prevent damage to the Remote Touch ●
Do not allow the Remote Touch to come into contact with food, liquid, stickers or lit
cigarettes as doing so may cause it to change color, emit a strange odor or stop func-
tioning. ●
Do not subject the Remote Touch to excessive pressure or strong impact as the knob
may bend or break off. ●
Do not allow coins, contact lenses or ot her such items to be come caught in the
Remote Touch as this may cause it to stop functioning. ●
Items of clothing may rip if they become caught on the Remote Touch knob. ●
If your hand or any object is on the Remo te Touch knob when th e power switch is in
ACCESSORY mode, the Remote Touch knob may not operate properly.

520 6-2. Using the air conditio ning system and defogger
RX450h_RX450hL _U_OM48F85U■
Ventilation and air conditioning odors ●
To let fresh air in, set the air conditioning system to the outside air mode. ●
During use, various odors from inside and outside the vehicle may enter into and accu-
mulate in the air conditioning system. This may then cause odor to be emitted from the
vents. ●
To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode prior
to turning the vehicle off.
• The start timing of the blower may be dela yed for a short period of time immediately
after the air conditioning system is started in automatic mode.■
Air conditioning filter
→ P. 625 ■
Customization
Some functions can be customized ( → P. 736)
WARNING ■
To prevent the windshield from fogging up ●
Do not use during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outside air and that of the windshield can cause
the outer surface of the windshield to fog up, blocking your vision.
■
To prevent burns ●
Do not touch the rear view mirror surfaces when the outside rear view mirror defog-
gers are on. ●
Do not touch the glass at lower part of the windshield or to the side of the front pillars
when the windshield wiper de-icer is on. (if equipped) ●
Do not place anything on the instrument
panel which may cover th e air outlets. Other-
wise, air flow may be obstructed, preventing
the windshield defoggers from defogging.

5256-2. Using the air conditioning system and defogger
RX450h_RX450hL _U_OM48F85U 6
Interior features
Heated steering wheel ∗
/seat heaters ∗
/seat ventila-
tors ∗
∗ : If equippedHeated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from 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 ph ysically 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.

5336-4. Using the storage features
6
Interior features
RX450h_RX450hL _U_OM48F85U 
RX450hL
Glove box ( → P. 534)
Auxiliary boxes (if equipped)
( → P. 539)
Door pockets ( → P. 537)
Bottle holders ( → P. 537) Console box ( → P. 534)
Cup holders ( → P. 535)
Coin box ( → P. 538)
WARNING ●
Do not leave glasses, lighters or spray cans in the storage spaces, as this may cause
the following when cabin temperature becomes high:
• Glasses may be deformed by heat or cracke d if they come into contact with other
stored items.
• Lighters or spray cans may explode. If they come into contact with other stored
items, the lighter may catch fire or the spray can may release gas, causing a fire
hazard. ●
When driving or when the storage compartments are not in use, keep the lids closed.
In the event of sudden braking or sudden swerving, an accident may occur due to an
occupant being struck by an open lid or the items stored inside.1
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3
4 5
6
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536 6-4. Using the storage features
RX450h_RX450hL _U_OM48F85UThe depth of the front cup holder can be changed.
To store a water bottle, push down the bottom
of the cup holder.
To return the bottom to its original position,
press the button.
WARNING ●
Do not place anything other than cups, aluminum cans, or water bottles in the cup
holders. Other items may be thrown out of the holders in the event of an accident or
sudden braking, possibly causing injury. If possible, cover hot drinks to prevent burns.●
Rear cup holder: When not in use, keep the cup holders are closed. Injuries may
result in the event of an accident or sudden braking.
NOTICE
To prevent damage to the rear cup holder, stow the cup holder before stowing the arm-
rest. 1
2

5376-4. Using the storage features
6
Interior features
RX450h_RX450hL _U_OM48F85UThe door pockets can be opened and
closed.Door pockets 
Front 
Rear
WARNING
Front door pockets: Keep the door pockets closed whil e driving.Injuries may result in
the event of an accident or sudden braking.
Bottle holders