2021 LEXUS RX350 battery

2794-6. Driving tips
4
Driving
4-6.Driving tips
Use fluids that are appropriate to
the prevailing outside temperatures.
•Engine oil
• Engine coolant
•Washer fluid
Have a service technician inspect
the condition of the battery.
 Have the vehicle fitted with four
snow tires or purchase a set of tire
chains for the front tires.
Ensure that all tires ar e of the specified size
and the same brand, and that chains match
the size of the tires.
Perform the following according to the
driving conditions:
 Do not try to forcibly open a window
or move a wiper that is frozen. Pour
warm water over the frozen area to
melt the ice. Wipe away the water
Winter driving tips
Carry out the necessary prepara-
tions and inspections before driving
the vehicle in winter. Always drive
the vehicle in a manner appropriate
to the prevailing weather condi-
tions.
Pre-winter preparations
WARNING
■Driving with snow tires
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in a loss of
vehicle control and cause death or seri-
ous injury.
●Use tires of the specified size.
●Maintain the recommended level of air
pressure.
●Do not drive in excess of 75 mph (120
km/h), regardless of the type of snow
tires being used.
●Use snow tires on all, not just some
wheels.
■Driving with tire chains
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in the vehicle
being unable to be driven safely, and may
cause death or serious injury.
●Do not drive in excess of the speed
limit specified for the tire chains being
used, or 30 mph (50 km/h), which-
ever is lower.
●Avoid driving on bumpy road surfaces
or over potholes.
●Avoid sudden acceleration, abrupt
steering, sudden br aking and shifting
operations that cause sudden engine
braking.
●Slow down sufficiently before entering
a curve to ensure that vehicle control is
maintained.
●Do not use the LTA (Lane Tracing
Assist) system.
NOTICE
■Repairing or replacing snow tires
Request repairs or replacement of snow
tires from your Lexus dealer or legitimate
tire retailers.
This is because the removal and attach-
ment of snow tires affects the operation
of the tire pressure warning valves and
transmitters.
Before driving the vehicle

2965-3. Using the air conditioning system and defogger
■Main control screen
Using the touchpad of the Remote
Touch, select the button on the screen.
This system can also be operated by
the touch screen.
Vehicles with DUAL-ZONE climate
control
Sub menu
Selecting the sub menu item to switch the
main screen. : Display the air co nditioning control
screen
: Display the option control screen
Adjust the left side seat tempera-
ture setting
Adjust the fan speed setting
Select the air flow mode
: Air flows to the upper body
: Air flows to the upper body and feet
: Air flows to the feet
: Air flows to the feet and the wind-
shield defogger operates
Adjust the right side seat tempera-
ture setting
Function on/off indicators
When the function is on, the indicator illu-
minates on the control screen.
Sub function menu
When the sub function button on the
WARNING
■To prevent the windshield from fog-
ging up
Do not use the windshield defogger
switch during cool air operation in
extremely humid weather. The difference
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.
■When the outside rear view mirror
defoggers are operating
Do not touch the outside rear view mir-
ror surfaces, as they can become very
hot and burn you.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system
on longer than necessary when the
engine is off.
■When repairing/replacing parts of
the air conditioning system
Have repair/replace ment performed by
your Lexus dealer.
When a part of the air conditioning sys-
tem, such as the evaporator, is to be
replaced, it must be replaced with a new
one.
Air conditioning control screen
A
B
C
D
E
F
G

3055-3. Using the air conditioning system and defogger
5
Interior features
than that operated is maintained.
■Using automatic mode
Fan speed is adjusted automatically accord-
ing to the temperature setting and the
ambient conditions.
Therefore, the fan may stop for a while until
warm or cool air is ready to flow immedi-
ately after “Rear AUTO” is selected or
“AUTO” is touched.
Cool air may blow around the upper body
even when the heater is on due to sunlight.
The temperature setting of the rear
seats can be adjusted using the follow-
ing methods:
 When the “3-ZONE” indicator is
off: Adjust the driv er’s seat tempera-
ture.
Adjust the temperature setting of each
rear seat using the Center Display or rear
air conditioning system control panel.
 Adjust the temperature setting of
rear seats using the Center Display
(rear air conditioning control
screen) or rear air conditioning sys-
tem control panel.
■Location of air outlets
The air outlets and air volume changes
according to the selected air flow
mode.
■Adjusting the position of and open-
ing and closing the air outlets
Adjusting the position of and opening
and closing the air outlets
1 Direct air flow to the left or right, up
or down
2 Turn the knob fully to the back of
the vehicle to close the vent
Adjusting the temperature set-
ting of the rear seats
Air outlets
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system
on longer than necessary when the
engine is off.

3065-3. Using the air conditioning system and defogger
*:If equipped
Turns the heated steering wheel on/off
The indicator light comes on when the
heated steering wheel is operating.
■Operation condition
The engine switch is in IGNITION ON
mode.
■Timer function
The heated steering wheel will automati-
cally turn off after about 30 minutes.
■Front seats
Vehicles without seat ventilators
Each time the switch is pressed, the
operation condition changes as fol-
lows.
Hi (3 segments lit) Mid (2 segments
lit)  Lo (1 segment lit) Off
The level indicator (amber) lights up
during operation.
Heated steering wheel*/seat
heaters*/seat ventilators*
 Heated steering wheel
Warms up the grip of the steering
wheel
 Seat heaters
Warm up the seat upholstery
 Seat ventilators
Maintain good ventilation using a fan
built into the seat
WARNING
■To prevent minor burn injuries
Care should be taken if anyone in the fol-
lowing categories comes in contact with
the steering wheel or seats when the
heater is on:
●Babies, small children, the elderly, the
sick and the phys ically challenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alcohol or
drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
NOTICE
■To prevent damage to the seat heat-
ers
Do not put heavy objects that have an
uneven surface on the seat and do not
stick sharp objects (needles, nails, etc.)
into the seat.
■To prevent battery discharge
Do not use the functions when the
engine is off.
Heated steering wheel
Seat heaters
A

3105-4. Using the interior lights
Turns the door position on/off
On
Off
■Rear interior light
The rear interior light turns on/off
together with the front interior light.
■Front personal lights
Turns the lights on/off (touch the lights)
■Rear personal lights
Turns the lights on/off
■Illuminated entry system
The lights automatically turn on/off accord-
ing to the engine switch mode, the pres-
ence of the electronic key, whether the
doors are locked/unlocked, and whether
the doors are opened/closed.
■To prevent the battery from being dis-
charged
If the interior lights remain on when the
engine switch is turned off, the lights will go
off automatically after 20 minutes.
■When front interior light or front per-
sonal lights do not respond as normal
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.
■The interior lights may turn on automati-
cally when
If any of the SRS airbag s deploy (inflate) or
in the event of a strong rear impact, the inte-
rior lights will turn on automatically.
The interior lights will turn off automatically
after approximately 20minutes.
The interior lights can be turned off manu-
ally. However, in order to help prevent fur-
ther collisions, it is recommended that they
be left on until sa fety can be ensured.
(The interior lights may not turn on auto-
matically depending on the force of the
Operating the personal lights
A
B

3115-4. Using the interior lights
5
Interior features
impact and conditions of the collision.)
■Customization
Some functions can be customized.
(  P.461)
NOTICE
■Removing light lenses
Never remove the lens for the front inte-
rior light and front personal lights. Other-
wise, the lights will be damaged. If the
lens need to remove , contact your Lexus
dealer.
■To prevent battery discharge
Do not leave the lights on longer than
necessary when the engine is not run-
ning.

3235-6. Using the other interior features
5
Interior features
A portable device, such as a smart-
phone or mobile battery, can be
charged by just placing it on the
charging area, provided 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,
depending on the portable device, the
wireless charger may not operate
properly. Refer to the operation man-
ual of the portable device.
■The “Qi” symbol
The “Qi” symbol is a trademark of the
Wireless Power Consortium.
■Name for all parts
Power supply switch
Operation indicator light
Charge area
■Using the wireless charger
1 Press the power supply switch of
the wireless charger.
Pressing the switch again turns the wireless
charger off.
When turned on, the operation indicator
light (green) comes on.
When the engine switch is turned off, the
on/off state of the wi reless charger will be
NOTICE
●Rear console: When the USB
charging ports are not in use, close the
lids. If a foreign object or liquid enters a
port may cause a short circuit.
●Do not apply excessive force to or
impact the USB charging ports.
●Do not disassemble or modify the USB
charging ports.
■To prevent damage to external
devices
●Do not leave external devices in the
vehicle. The temperature inside the
vehicle may become high, resulting in
damage to an external device.
●Do not push down on or apply unnec-
essary force to an external device or
the cable of an external device while it
is connected.
■To prevent battery discharge
Do not use the USB charging ports for a
long period of time with the engine
stopped.
Wireless charger (if equipped)
A
B
C

3305-6. Using the other interior features
RX350/RX350L with bench-type
second-row seats
Pull the armrest down for use.
RX350L with separate-type sec-
ond-row seats
To adjust the armrest angle, raise the
armrest to the highest position and
then lower the armrest to the lowest
position.
Raise the armrest again to the desired position and the armrest will be locked
at that position.
When the armrest is locked, the armrest
cannot be lowered.
To lower the armrest, raise the armrest to
the highest position again.
An assist grip installed on the ceiling
can be used to support your body
while sitting on the seat.
NOTICE
■To prevent failure or damage to data
●Do not bring magnetic cards, such as a
credit card, or magnetic recording
media, close to the wireless charger
while charging. Otherwise, data may
be erased due to the influence of mag-
netism. Additionally, do not bring pre-
cision instruments such as wrist
watches, close to the wireless charger,
as such objects may malfunction.
●Do not leave portab
le devices in the
cabin. The temperature inside the
cabin may become high when parked
in the sun, and cause damage to the
device.
■To prevent battery discharge
Do not use the wireless charger for a
long period of time with the engine is
stopped.
Armrest
NOTICE
■To prevent damage to the armrest
Do not apply too much load on the arm-
rest.
Assist grips
WARNING
■Assist grip
Do not use the assist grip when getting in
or out of the vehicle or rising from your
seat.