2021 LEXUS ES350 cruise control

2034-5. Using the driving support systems
4
Driving
ing at below approximately 20 mph [30
km/h], the set speed will be set to
approximately 20 mph [30 km/h].)
■Accelerating after setting the vehicle
speed
The vehicle can accelerate by operating the
accelerator pedal. After accelerating, the
set speed resumes. However, during vehi-
cle-to-vehicle distance control mode, the
vehicle speed may decrease below the set
speed in order to maintain the distance to
the preceding vehicle.
■When the vehicle stops while follow-up
cruising
●Pressing the “+RES” switch while the
vehicle ahead stops will resume follow-
up cruising if the vehicle ahead starts off
within approximately 3 seconds after the
switch is pressed.
●If the vehicle ahead starts off within 3 sec-
onds after your vehicle stops, follow-up
cruising will be resumed.
■Automatic cancelation of vehicle-to-
vehicle distance control mode
Vehicle-to-vehicle dist ance control mode is
automatically canceled in the following situ-
ations.
●VSC is activated.
●TRAC is activated for a period of time.
●When the VSC or TRAC system is
turned off.
●The sensor cannot detect correctly
because it is covered in some way.
●Pre-collision braking is activated.
●The parking brake is operated.
●The vehicle is stopped by system control
on a steep incline.
●The following are detected when the
vehicle has been stopped by system con-
trol:
• The driver is not wearing a seat belt.
• The driver’s door is opened.
• The vehicle has been stopped for about 3 minutes
If vehicle-to-vehicle distance control mode
is automatically canceled for any reasons
other than the above, there may be a mal- function in the system. Contact your Lexus
dealer.
■Automatic cancelation of constant
speed control mode
Constant speed control mode is automati-
cally canceled in the following situations:
●Actual vehicle speed is more than
approximately 10 mph (16 km/h) below
the set vehicle speed.
●Actual vehicle speed falls below approxi-
mately 20 mph (30 km/h).
●VSC is activated.
●TRAC is activated for a period of time.
●When the VSC or TRAC system is
turned off.
●Pre-collision braking is activated.
If constant speed control mode is automati-
cally canceled for any reasons other than
the above, there may be a malfunction in
the system. Contact your Lexus dealer.
■Brake operation
A brake operation sound may be heard and
the brake pedal response may change, but
these are not malfunctions.
■Warning messages and buzzers for
dynamic radar cruise control with full-
speed range
Warning messages and buzzers are used to
indicate a system malfunction or to inform
the driver of the need for caution while driv-
ing. If a warning messa ge is shown on the
multi-information displa y, read the message
and follow the instructions. ( P.175, P.371)
■When the sensor may not be correctly
detecting the vehicle ahead
In the case of the fo llowing and depending
on the conditions, operate the brake pedal
when deceleration of the system is insuffi-
cient or operate the accelerator pedal
when acceleration is required.
As the sensor may not be able to correctly
detect these types of vehicles, the approach
warning ( P.201) may not be activated.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving in the same

3737-2. Steps to take in an emergency
7
When trouble arises
*: A buzzer sounds the first time a message is shown on the multi-information display.
In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.
 If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective actio n according to the warning light. ( P.361)
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■If “Engine Stoppe d Steering Power
Low” is displayed
This message is displa yed if the engine is
stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
■If “Auto Power Off to Conserve Bat-
tery” is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the engine, increase the engine speed
slightly and maintain that level for approxi-
mately 5 minutes to recharge the battery.
■If “High Power Cons umption Power to
Climate Temporarily Limited” is dis-
played
Turn off unnecessary electronic equipment
to reduce power consumption.
Please wait until the power supply returns
to normal.
■If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●AFS (Adaptive Front-lighting System)
●The automatic headlight leveling system
(if equipped)
●Automatic High Beam
■If “Radar Cruise Control Unavailable
See Owner’s Manual” is shown
The dynamic radar cruise control with full-
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their condition, or indicates the
need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly
Warning buzzer*Warning

3747-2. Steps to take in an emergency
speed range system is suspended tempo-
rarily or until the problem shown in the mes-
sage is resolved. (causes and coping
methods: P.175)
■If “Radar Cruise Control Unavailable” is
shown
The dynamic radar cruise control with full-
speed range system cannot be used tempo-
rarily. Use the system when it becomes
available again.
■If a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.175, 361)
●PCS (Pre-Collision System)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assist) (if equipped)
●Dynamic radar cruise control with full-
speed range
■If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule
* should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. ( P.309)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is performed. (
P.309)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil an d change it if neces-
sary. After changing th e engine oil, make
sure to reset the message. ( P.321)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus dealer. After changing
the engine oil, make sure to reset the mes-
sage. ( P.321)
■If a message that indicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the multi-
information display is malfunctioning. Have
the vehicle inspected by your Lexus dealer
immediately.
■If a message that indicates the need for
referring to Owner’ s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.393)
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”

3837-2. Steps to take in an emergency
7
When trouble arises
1Replace a rear tire with the compact
spare tire.
2 Replace the flat front tire with the tire
removed from the rear of the vehicle.
3 Fit tire chains to the front tires.
WARNING
■When using the compact spare tire
●Remember that the compact spare tire
provided is specifically designed for
use with your vehicle. Do not use your
compact spare tire on another vehicle.
●Do not use more than one compact
spare tire simultaneously.
●Replace the compact spare tire with a
standard tire as soon as possible.
●Avoid sudden acceleration, abrupt
steering, sudden braking and shifting
operations that cause sudden engine
braking.
■When the compact spare tire is
attached
The vehicle speed may not be correctly
detected, and the following systems may
not operate correctly:
• ABS & Brake assist
•VSC
•TRAC
• Dynamic radar cruise control with full- speed range
• PCS (Pre-Collision System)
•EPS
• LTA (Lane Tracing Assist)
• Panoramic view monitor (if equipped)
• Lexus parking assist monitor (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
• BSM (Blind spot monitor) (if equipped)
• Automatic high Beam
Also, not only can the following system
not be utilized fully, bu t it may even nega-
tively affect the drive-train components:
• AWD system (if equipped)
■Speed limit when using the compact
spare tire
Do not drive at speeds in excess of 50
mph (80 km/h) when a compact spare
tire is installed on the vehicle.
The compact spare tire is not designed
for driving at high speeds. Failure to
observe this precaution may lead to an
accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools
and jack are securely in place in their
storage location to reduce the possibility
of personal injury during a collision or
sudden braking.
NOTICE
■Be careful when driving over bumps
with the compact spare tire installed
on the vehicle
The vehicle becomes lower when driving
with the compact spar e tire compared to
when driving with standard tires. Be
careful when driving over uneven road
surfaces.
■Driving with tire chains and the com-
pact spare tire
Do not fit tire chains to the compact
spare tire.
Tire chains may damage the vehicle
body and adversely affect driving perfor-
mance.

450Alphabetical index
C
Care ...................................................... 304, 307Aluminum wheels ......................................304
Exterior ...........................................................304
Interior ............................................................. 307
Seat belts........................................................ 307
Cargo capacity................................................ 141
Cargo hooks .................................................280
Center Display ............................................. 256
Chains .............................................................. 252
Child-protectors............................................. 98
Child restraint system................................... 43 Fixed with a LATCH system ..................50
Fixed with a seat belt....................................47
Front passenger occupant classification system ..............................................................37
Points to remember .................................... 43
Riding with children ..................................... 43
Types of child restraint system installation method ........................................................... 44
Using an anchor bracket .......................... 53
Child safety ....................................................... 43 Airbag precautions...................................... 33
Battery precautions ...................... 324, 392
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................ 270
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 127
Panoramic moon roof precautions ..... 131
Power window lock switch.....................125
Power window precautions ...................125
Rear door child-protectors ..................... 98
Seat belt extender precautions ............. 25
Seat belt precautions ...................................24
Trunk precautions ........................................ 99
Cleaning.............................................. 304, 307 Aluminum wheels ......................................304
Exterior ...........................................................304
Interior ............................................................. 307 Radar sensor ........
............................... 171, 207
Seat belts ........................................................307
Clock ................................................. 70, 73, 281
Coat hooks..................................................... 292
Compass ......................................................... 299
Condenser ..................................................... 322
Console box .................................................. 278
Console box light ........................................ 278
Cooling system............................................. 322 Engine overheating...................................393
Cornering lights ............................................ 160 Replacing light bulbs ................................346
Cruise control Dynamic radar cruise control with full-
speed range ............................................... 195
Cup holder ..................................................... 278
Current fuel consumption ...........................79
Curtain shield airbags .................................. 28
Customizable features ................................419
D
Daytime running light system .................. 158
Defogger Outside rear view mirrors..................... 264
Rear window ................................................ 264
Windshield .................................................... 264
Dimension ...................................................... 398
Dinghy towing................................................. 142
Display BSM (Blind Spot Monitor)................... 205
Dynamic radar cruise control with full-
speed range ............................................... 195
Head-up display............................................84
Intuitive parking assist ................................213
LTA (Lane Tracing Assist) ..................... 189
Multi-information display ...........................77
Parking Support Brake function (rear pedestrians)............................................... 243
RCD (Rear Camera Detection) ........ 224
RCTA...............................................................220
Warning message .......................................371
Distance until next engine oil

Alphabetical index451
change ....................................................... 71, 76
Do-it-yourself maintenance ..................... 310
Door courtesy lights ....................................274
Door lock Doors.................................................................. 95
Smart access system with push-button start ................................................................. 106
Wireless remote control........................... 93
Doors ................................................................... 95 Automatic door lock ing and unlocking
system ............................................................. 98
Door glasses .................................................. 124
Door lock.......................................................... 95
Open door warning buzzer .......... 96, 98
Outside rear view mirrors ........................121
Rear door child-protectors ..................... 98
Drive distance ...................................................79
Drive info 1/Drive info 2 ...............................79
Driver’s seat position memory .................. 114 Driving position memory...........................114
Memory recall function ............................. 116
Drive-start control ........................................135
Driving................................................................134 Break-in tips ...................................................135
Correct driving posture .............................23
Driving Mode Select switch...................210
Procedures ..................................................... 134
Winter drive tips...........................................251
Driving information display .........................79
Driving Mode Select switch......................210
Driving range ....................................................79
Driving support system information display ............................................................................. 82
Dynamic radar cruise control with full- speed range..................................................195Warning message..................................... 203
Dynamic Torque Control AWD system .......................................................................... 246
E
Eco drive mode ..............................................210
Eco Driving Indicator.................... 80, 81, 87 Eco Driving Indicator Light ........................ 80
EDR (Event data recorder) ............................7
Elapsed time ......................................................79
Electric Power Steering (EPS)
Function .......................................................... 246
Warning light ...............................................363
Electronic key .................................................. 92 Battery-saving function............................ 107
If the electronic key does not operate properly .......................................................387
Replacing the battery .................................341
Electronic roof sunshade Jam protection function ........................... 130
Operation ........................................................129
Emergency, in case of If a warning buzzer sounds.................... 361
If a warning light turns on........................ 361
If a warning message is displayed .......371
If the battery is discharged ................... 389
If the electronic key does not operate properly .......................................................387
If the engine will not start....................... 384
If the fuel filler do or cannot be opened
......................................................................... 386
If the vehicle is trapped in rising water ..........................................................................353
If you have a flat tire ..................................375
If you lose your keys ................................ 386
If you think something is wrong......... 359
If your vehicle becomes stuck ............ 395
If your vehicle has to be stopped in an emergency .................................................352
If your vehicle needs to be towed .... 355
If your vehicle overheats ........................393
Emergency flashers .................................... 352
Engine ................................................................144 ACCESSORY mode................................147
Compartment............................................... 318
Engine switch .................................................144
Fuel pump shut off system.................... 360
Hood ................................................................. 316
How to start the engine ............................144

454Alphabetical index
K
Keyless entrySmart access system with push-button start ................................................................. 106
Wireless remote control........................... 93
Keys...................................................................... 92 Battery-saving function ............................107
Electronic key ................................................. 92
Engine switch................................................. 144
If the electronic key does not operate properly....................................................... 387
If you lose your keys.................................386
Key number plate ......................................... 92
Keyless entry .......................................... 95, 101
Mechanical key.............................................. 92
Replacing the battery.................................341
Warning buzzer .......................................... 106
Wireless remote control........................... 93
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) ........................ 184 Operation....................................................... 184
Warning messages .................................... 192
Language (multi-information display) ... 82
LATCH anchors ............................................. 50
Lever Auxiliary catch lever ...................................316
Hood lock release lever...........................316
Internal trunk release lever .................... 103
Shift lever..........................................................149
Turn signal lever ...........................................153
Wiper lever.....................................................164
Lexus climate concierge ............................ 261
Lexus Enform Safety Connect.................. 55
Lexus Safety System + 2.0 ......................... 171 Automatic High Beam ............................... 161
Dynamic radar cruise control with full-speed range ............................................... 195
LTA (Lane Tracing Assist)..................... 184
PCS (Pre-Collision System).................. 177 RSA (Road Sign Assist)........................... 193
License plate lights....................................... 158 Light switch .................................................... 158
Replacing light bulbs ................................346
Light bulbs Replacing .......................................................346
Wattage ..........................................................407
Lights Automatic High Beam system ............... 161
Front interior lights .................................... 275
Front personal lights................................. 275
Headlight switch.......................................... 158
Interior lights list .......................................... 274
Interior lights ................................................. 274
Rear interior lights ..................................... 275
Rear personal lights .................................. 275
Trunk light ....................................................... 103
Turn signal lever .......................................... 153
Vanity lights ................................................... 281
Wattage ..........................................................407
Welcome light illumination control ... 159
Lock steering column ..................................145
Low profile tire.............................................. 326
LTA (Lane Tracing Assist) ........................ 184 Operation ....................................................... 184
Warning messages.....................................192
Luggage mat .................................................280
M
Maintenance Do-it-yourself maintenance ...................314
General maintenance .............................. 310
Maintenance data ..................................... 398
Maintenance requirements ................. 309
Malfunction indicator la mp ..................... 362
Master warning light .................................. 368
Menu icons........................................................ 78
Meter Changing the main meter location.......77
Clock.......................................................... 70, 73
Indicators...........................................................68
Instrument panel light control......... 72, 76

Alphabetical index455
Meter control switches .............................. 78
Meters ........................................................70, 73
Multi-information display ........................... 77
Settings .............................................................. 82
Units ......................................................................81
Warning lights ...............................................361
Warning message....................................... 371
Mirrors Inside rear view mirror..............................120
Outside rear view mirror defoggers264
Outside rear view mirrors ........................121
Vanity mirrors................................................281
Moon roof Door lock linked moon roof operation................................................................ 127, 130
Jam protection function................. 127, 130
Operation..............................................126, 129
Multi-information display ............................. 77 Audio system-linked display................... 82
Boost gauge......................................................81
Drive information 1/Drive information 2............................................................................ 79
Driving information display...................... 79
Driving support system information dis- play ................................................................... 82
Dynamic radar cruise control with full- speed range ............................................... 195
Eco Driving Indicator ................................. 87
Gear Position ...................................................81
G-force................................................................81
LTA (Lane Tracing Assist)..................... 189
Menu icons ...................................................... 78
Meter control switches .............................. 78
Navigation system-linked display ..........81
Pop-up display............................................... 82
Settings .............................................................. 82
Suggestion function..................................... 83
Tire pressure ................................................ 328
Units ......................................................................81
Warning message....................................... 371N
Navigation system-linked display..... 81, 84
Noise from under vehicle ...............................6
O
Odometer ................................................... 71, 76
Odometer and trip meter display “ODO TRIP” switch ............................. 71, 76
Display items ............................................ 71, 76
Pop-up display .......................................72, 76
“ODO TRIP”switch ................................. 71, 76
Oil Engine oil....................................................... 400
Opener Fuel filler door ............................................... 169
Hood ................................................................. 316
Trunk ................................................................... 101
Outside door handle lig hts.......................274
Outside rear view mirrors .......................... 121 Adjustment ....................................................... 121
BSM (Blind Spot Monitor)................... 205
Folding............................................................... 122
Linked mirror functi on when reversing
............................................................................123
Mirror position memory ............................ 114
Outside rear view mirror defoggers264
RCTA function ............................................220
Outside temperature............................ 70, 73
Overheating .................................................. 393
P
Paddle shift switches ........................... 151, 152
Panic mode ....................................................... 93
Panoramic moon roof Jam protection function ........................... 130
Operation ........................................................129
Parking assist sensors (intuitive parking assist) ...............................................................213
Parking brake..................................................154 Operation ....................................................... 154