2018 LEXUS RX450h battery

5216-2. Using the air conditioning system and defogger
RX450h_RX450hL _U_OM48F85U 6
Interior features NOTICE ■
Humidity sensor
■
To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid sys-
tem is off.In order to detect fog on the windshield, a sen-
sor which monitors the temperature of the
windshield, the surround humidity, etc. is
installed. ( → P. 519)
Follow these points to avoid damaging the sen-
sor: ●
Do not disassemble the sensor ●
Do not spray the glass cleaner on the sensor
or subject it to strong impacts ●
Do not stick anything on the sensor

524 6-2. Using the air conditio ning system and defogger
RX450h_RX450hL _U_OM48F85U■
Using the automatic mode
Press the “AUTO” button
Adjust the temperature setting.
To stop the operation, press the “OFF” button.■
Automatic mode indicator
If the fan speed setting or air flow modes are operated, the automatic mode
indicator goes off. However, automati c mode for functions other than that
operated is maintained. ■
Location of air outlets
The air outlets and air volume
changes according to the selected
air flow mode.
■
Adjusting the position of and opening and closing the air outlets
Adjusting the position of and open-
ing and closing the air outlets
Direct air flow to the left or right,
up or down
Turn the knob fully to the back of
the vehicle to close the ventAir conditioning controls
Air outlets 1
2
3
1
2
NOTICE ■
To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid sys-
tem is off.

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.

5316-3. Using the interior lights
6
Interior features
RX450h_RX450hL _U_OM48F85U●
Illuminated entry system: The lights automatically turn on/off according to power switch
mode, the presence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed. ●
If the interior lights remain on when the power switch is turned off, the lights will go off
automatically after 20 minutes. ●
In the following cases, the interior lights and front personal lights may not respond as
normal.
• When water, dirt, etc., have adhered to the lens surface
• When operated with a wet hand
• When wearing gloves, etc. ●
Some functions can be customized ( → P. 736)
NOTICE ●
Never remove the lens for the front interior light and fron t personal lights. Otherwise,
the lights will be damaged. If the lens need to remove, contact your Lexus dealer.●
To prevent 12-volt battery discharge, do not leave the lights on longer than necessary
when the hybrid system is off.

547
RX450h_RX450hL _U_OM48F85U 6
Interior features 6-5. Using the other interior features
To set the visor in the forward posi-
tion, flip it down.
To set the visor in the side position,
flip down, unhook, and swing it to the
side.
To use the side extender, place the
visor in the side position, then slide it
backward.
Slide the cover to open. The light turns on when the cover is
opened.
If the vanity lights remain on when the power sw itch is turned off, the light will go off auto-
matically after 20 minutes.Other interior features Sun visors 1
2
3
Vanity mirrors
NOTICE
To prevent 12-volt battery discharge, do not leave the vanity lights on for extended peri-
ods while the hybrid system is off.

548 6-5. Using the other interior features
RX450h_RX450hL _U_OM48F85U 
Vehicles with a Lexus Display Audio system
The clock can be adjusted by pressing
the buttons.
Pressing and holding will move the
clock hands backward.
Pressing and holding will move the
clock hands forward. 
Vehicles with a navigation system
The GPS clock's time is automatically
adjusted by utilizing GPS time informa-
tion. For details, refer to “NAVIGATION
SYSTEM OWNER’S MANUAL”.
A portable device, such as a smartphone or mobile battery, can be charged by
just placing it on the charging area, prov ided the device is compatible with the Qi
wireless charging standard created by the Wireless Power Consortium.
The wireless charger cannot be used with a portable device that is larger than
the charging area. Additionally, dependin g on the portable device, the wireless
charger may not operate properly. Refer to the operation manual of the portable
device. ■
The “Qi” symbol
The “Qi” symbol is a trademark of the Wireless Power Consortium.Clock 1
2
Wireless charger (if equipped)

554 6-5. Using the other interior features
RX450h_RX450hL _U_OM48F85UNOTICE ■
Conditions in which the wireless charger may not operate correctly
In the following situations, the wire less charger may not operate correctly:●
When a portable device is fully charged ●
When there is a foreign object between the charging area and portable device●
When a portable device becomes hot while charging●
When a portable device is placed on the wireless area with its charging surface fac-
ing up ●
When a portable device is not centered on the charging area ●
When the vehicle is near a TV tower, electric power plant, gas station, radio station,
large display, airport or other facility that generates stro ng radio waves or electrical
noise ●
When the portable device is in contact with, or is covered by any of the following
metallic objects:
• Cards to which aluminum foil is attached
• Cigarette boxes that ha ve aluminum foil inside
• Metallic wallets or bags
•Coins
•Metal hand warmers
• Media such as CDs and DVDs ●
When wireless keys (that emit radio waves) other than those of your vehicle are being
used nearby.
If in situations other than above the wirele ss charger does not operate properly or the
operation indicator light is blinking, the wireless charge r may be malfunctioning. Con-
tact your Lexus dealer. ■
To prevent failure or damage to data ●
Do not bring magnetic cards, such as a cr edit card, or magnetic recording media,
close to the wireless charger while charging. Otherwise, data may be erased due to
the influence of magnetism.
Additionally, do not bring pr ecision instruments such as wrist watches, close to the
wireless charger, as such objects may malfunction. ●
Do not leave portable devices in the cab in. The temperature inside the cabin may
become high when parked in the sun, and cause damage to the device. ■
To prevent 12-volt battery discharge
Do not use the wireless charger for a long pe riod of time with the hybrid system is
stopped.

556 6-5. Using the other interior features
RX450h_RX450hL _U_OM48F85U●
The power outlets can be used when the power switch is in ACCESSORY or ON
mode. 
In the luggage compartment
(RX450hL)
Open the lid. ●
The shape of the console box rim allows power
cables to be passed through when the console
box lid is closed.
NOTICE ●
To avoid damaging the power outlets, insta ll the cap or close the lid when the power
outlets is not in use.
Foreign objects or liquids that enter the power outlets may cause a short circuit. ●
To prevent 12-volt battery discharge, do not use the power outlets longer than neces-
sary when the hybrid system is off.