2021 LEXUS RX450h park assist

wheel size relay wiper size light air filter coolant

Page 3 of 528

LEXUS RX450h 2021 Owners Manual 3TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
Trailer towing (vehicles with towing package) ........................................ 173
Dinghy towing ................................ 183
4-2. Driving procedur

3TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
Trailer towing (vehicles with towing package) ........................................ 173
Dinghy towing ................................ 183
4-2. Driving procedures Power (ignition) switch ............... 184
EV drive mode ............................... 189
Hybrid transmission ...................... 191
Turn signal lever............................. 194
Parking brake ................................. 195
Brake Hold....................................... 198
4-3. Operating the lights and wipers Headlight switch ........................... 200
AHB (Automatic High Beam) ........................................................... 203
Fog light switch ............................. 206
Windshield wipers and washer ........................................................... 206
Rear window wiper and washer ............................................................ 210
4-4. Refueling Opening the fuel tank cap.......... 211
4-5. Using the driving support systems Lexus Safety System + 2.0 ........ 214
PCS (Pre-Collision System).... 220
LTA (Lane Tracing Assist)........ 227
RSA (Road Sign Assist) ............. 236
Dynamic radar crui se control with
full-speed range......................... 238
BSM (Blind Spot Monitor) ....... 247
PKSA (Parking Support Alert) ........................................................... 253
Intuitive parking assist ................ 255
RCTA (Rear cross traffic alert) function ........................................... 261
PKSB (Parking Support Brake) ........................................................... 266Parking Support Brake function
(static objects) .............................. 271
Parking Support Brake function (rear-crossing vehicles) .......... 277
Driving mode select switch ...... 281
Driving assist systems ................ 283
4-6. Driving tips Hybrid vehicle driving tips ....... 289
Winter driving tips ......................... 291
Utility vehicle precautions........ 293
5-1. Remote Touch/Display Remote Touch............................... 298
Center Display.............................. 300
5-2. Lexus Climate Concierge Lexus Climate Concierge........ 303
5-3. Using the air conditioning system and defogger
Front automatic air conditioning system ............................................ 304
Rear automatic air conditioning system ............................................. 315
Heated steering wheel/seat heat- ers/seat ventilators.................... 318
5-4. Using the interior lights Interior lights list ............................. 321
5-5. Using the storage features List of storage features .
.............324
Luggage compartment features .......................................................... 329
5-6. Using the other interior features Other interior features .............. 334
Garage door opener ................. 346
Compass ......................................... 352
5Interior features

Page 79 of 528

LEXUS RX450h 2021 Owners Manual 792-1. Instrument cluster
2
Vehicle status information and indicators
Warning lights inform the driver of mal-
functions in the indicated vehicle’s sys-
tems.
Warning lights
(U.S.A.)
Brake system wa

Page 81 of 528

LEXUS RX450h 2021 Owners Manual 812-1. Instrument cluster
2
Vehicle status information and indicators
Drive mode indicators
Except F SPORT models
F SPORT models
*1: These lights turn on when the power
switch is turned to O

Page 95 of 528

LEXUS RX450h 2021 Owners Manual 952-1. Instrument cluster
2
Vehicle status information and indicators
*:If equipped
Illustrations used in this text are intended as examples, and may differ from the image that is
actually displayed

Page 97 of 528

LEXUS RX450h 2021 Owners Manual 972-1. Instrument cluster
2
Vehicle status information and indicators
■Changing settings of the head-up
display
Select on the multi-information
display ( P.480) to change the fol-
lowing sett

972-1. Instrument cluster
2
Vehicle status information and indicators
■Changing settings of the head-up
display
Select on the multi-information
display ( P.480) to change the fol-
lowing settings:
 Display brightness/position
Select to adjust the brightness and position
of the head-up display.
 Display content
Select to enable/dis able the following
items:
• Route guidance to destination (if equipped)
• Driving assist system status (if equipped)
• Compass (if equipped)
• Audio system operation status
 Hybrid System Indicator/Tachome-
ter
Select to display Hybrid System Indica-
tor/tachometer/no content.
Display angle
Select to adjust the angle of the head-up
display.
■Enabling/disabling of the head-up dis-
play
If the head-up display is disabled, it will
remain disabled when the power switch is
turned off then back to ON mode.
■Display brightness
The brightness of the head-up display can
be adjusted on of the multi-information
display. Also, it is automatically adjusted
according to the ambient brightness.
■Automatic adjustment of the head-up
display position (if equipped)
A desired head-up display position can be
entered to memory and recalled automati-
cally by the driving position memory sys-
tem. ( P.142)
■When the 12-volt battery is discon-
nected
The customize settings of the head-up dis-
play will be reset.
Displays the following multi-informa-
tion display linked icons:
: Master warning icon
Displayed when a warn ing message is dis-
WARNING
■Caution for changing settings of the
head-up display
As the hybrid system needs to be operat-
ing while changing th e settings of the
head-up display, ensure that the vehicle
is parked in a place with adequate venti-
lation. In a closed area such as a garage,
exhaust gases including harmful carbon
monoxide (CO) may collect and enter
the vehicle. This may lead to death or a
serious health hazard.
NOTICE
■When changing the settings of the
head-up display
To prevent 12-volt battery discharge,
ensure that the hybrid system is operat-
ing while the changing the settings of the
head-up display.
Information icon/Master warn-
ing icon

Page 127 of 528

LEXUS RX450h 2021 Owners Manual 1273-2. Opening, closing and locking the doors
3
Before driving
devices
• Another vehicle’s electronic key, another electronic key of your vehicle, or a wire-
less key that emits radio waves
•

1273-2. Opening, closing and locking the doors
3
Before driving
devices
• Another vehicle’s electronic key, another electronic key of your vehicle, or a wire-
less key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or
metallic objects are attached to the rear
window
●When the electronic key is placed near a
battery charger or electronic devices
●When the vehicle is parked in a pay park-
ing spot where radio waves are emitted
■Note for the entry function
●Even when the electronic key is within the
effective range (detection areas), the sys-
tem may not operate properly in the fol-
lowing cases:
• The electronic key is too close to the win-
dow or outside door handle, near the
ground, or in a high place when the doors
are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear
bumper center when the back door is
opened.
• The electronic key is on the instrument panel, luggage compar tment, floor, or in
the door pockets or glove box when the
hybrid system is star ted or power switch
modes are changed.
●Do not leave the electronic key on top of
the instrument panel or near the door
pockets when exiting the vehicle.
Depending on the radio wave reception
conditions, it may be detected by the
antenna outside the cabin and the door
will become lockable from the outside,
possibly trapping the electronic key
inside the vehicle.
●As long as the electron ic key is within the
effective range, the doors may be locked
or unlocked by anyone.
●Even if the electronic key is not inside the
vehicle, it may be possible to start the
hybrid system if the electronic key is near
the window.
●The doors may unlock if a large amount of water splashes on the door handle,
such as in the rain or in a car wash when
the electronic key is
within the effective
range. (The door will automatically be
locked after approximately 60 seconds if
the doors are not opened and closed.)
●If the wireless remote control is used to
lock the doors when the electronic key is
near the vehicle, there is a possibility that
the door may not be unlocked by the
entry function. (Use the wireless remote
control to unlock the doors.)
●Touching the door lock sensor while
wearing gloves may delay or prevent lock
operation. Remove the gloves and touch
the lock sensor again.
●When the lock operation is performed
using the lock sensor, recognition signals
will be shown up to two consecutive
times. After this, no recognition signals
will be given.
●If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In that case, follow the follow-
ing correction procedures to wash the
vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle.
(Take care to ensure that the key is not
stolen.)
• Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( P.126)
●If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a message may be shown on
the multi-information display and a
buzzer will sound outside the vehicle. To
turn off the alarm, lock all the doors.
●The lock sensor may not work properly if
it comes into contact with ice, snow, mud,
etc. Clean the lock sensor and attempt to
operate it again.
●A sudden approach to the effective
range or door handle may prevent the
doors from being unlocked. In this case,
return the door handle to the original
position and check that the doors unlock
before pulling the door handle again.
●If there is another electronic key in the

Page 163 of 528

LEXUS RX450h 2021 Owners Manual 163
4
4
Driving
Driving
.4-1. Before drivingDriving the vehicle ..................... 164
Cargo and luggage ................... 169
Vehicle load limits ...................... 172
Trailer towing (vehic

163
4
4
Driving
Driving
.4-1. Before drivingDriving the vehicle ..................... 164
Cargo and luggage ................... 169
Vehicle load limits ...................... 172
Trailer towing (vehicles without towing package) ...................... 173
Trailer towing (vehicles with tow- ing package).............................. 173
Dinghy towing ............................. 183
4-2. Driving procedures Power (ignition) switch ............ 184
EV drive mode ............................ 189
Hybrid transmission ................... 191
Turn signal lever.......................... 194
Parking brake .............................. 195
Brake Hold.................................... 198
4-3. Operating the lights and wipers Headlight switch ........................ 200
AHB (Automatic High Beam) ........................................................ 203
Fog light switch .......................... 206
Windshield wipers and washer ........................................................ 206
Rear window wiper and washer ......................................................... 210
4-4. Refueling Opening the fuel tank cap....... 211
4-5. Using the driving support sys- tems
Lexus Safety System + 2.0 ..... 214PCS (Pre-Collision System)
....................................................... 220
LTA (Lane Tracing Assist) ..... 227
RSA (Road Sign Assist).......... 236
Dynamic radar cruise control with full-speed range...................... 238
BSM (Blind Spot Monitor) .... 247
PKSA (Parking Support Alert) ....................................................... 253
Intuitive parking assist ............. 255
RCTA (Rear cross traffic alert) function........................................ 261
PKSB (Parking Support Brake) ....................................................... 266
Parking Support Brake function (static objects) ........................... 271
Parking Support Brake function (rear-crossing vehicles) ...... 277
Driving mode select switch ... 281
Driving assist systems.............. 283
4-6. Driving tips Hybrid vehicle driving tips .... 289
Winter driving tips ..................... 291
Utility vehicle precautions..... 293

Page 164 of 528

LEXUS RX450h 2021 Owners Manual 1644-1. Before driving
4-1.Before driving
■Starting the hybrid system
 P.184
■Driving
1 With the brake pedal depressed,
shift the shift lever to D. ( P.191)
2 Release the parking brake.
(�

1644-1. Before driving
4-1.Before driving
■Starting the hybrid system
 P.184
■Driving
1 With the brake pedal depressed,
shift the shift lever to D. ( P.191)
2 Release the parking brake.
(P.195)
If the parking brake is in automatic mode,
the parking brake is released automatically
when shifting the shift lever to any position
other than P. ( P.196)
3 Gradually release the brake pedal
and gently depress the accelerator
pedal to accelerate the vehicle.
■Stopping
1 With the shift lever in D, depress the
brake pedal.
2 If necessary, set the parking brake.
(P.195)
If the vehicle is to be stopped for an
extended period of time, shift the shift lever
to P or N. ( P.191)
■Parking the vehicle
1 With the shift lever in D, depress the
brake pedal.
2 Set the parking brake ( P.195),
and shift the shift lever to P
( P.191).
3 Press the power switch to stop the
hybrid system. 4
Lock the door, making sure that you
have the electronic key on your
person.
If parking on a hill, block the wheels as
needed.
■Starting off on a steep uphill
1 With the brake pedal depressed,
shift the shift lever to D. ( P.191)
2 Pull the parking brake switch and
parking brake is set manually.
(P.195)
3 Release the brake pedal and gently
depress the accelerator pedal to
accelerate the vehicle.
4 Press the parking brake switch and
parking brake is released manually.
■When starting off on a uphill
The hill-start assist control will activate.
(  P.284)
■For fuel-efficient driving
Keep in mind that hybr id vehicles are similar
to conventional vehicles, and it is necessary
to refrain from activi ties such as sudden
acceleration. ( P.289)
■Driving in the rain
●Drive carefully when it is raining, because
visibility will be reduced, the windows
may become fogged-up, and the road
will be slippery.
●Drive carefully when it starts to rain,
because the road surface will be espe-
cially slippery.
●Refrain from high speeds when driving on
an expressway in the rain, because there
may be a layer of wa ter between the tires
and the road surface, preventing the
steering and brakes from operating prop-
erly.
■Restraining the hybrid system output
(Brake Override System)
●When the accelerato r and brake pedals
are depressed at the same time, the
Driving the vehicle
The following procedures should be
observed to ensure safe driving:
Driving procedure

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