2019 Lexus ES350 lane assist

3617-2. Steps to take in an emergency
7
When trouble arises
speed range system is suspended tempo-
rarily or until the problem shown in the mes-
sage is resolved. (causes and coping
methods: P.167)
■If “Radar Cruise Control Unavailable” is
displayed
The dynamic radar cruise control with full-
speed range system cannot be used tempo-
rarily. Use the system when it becomes
available again.
■If “Front Camera Unavailable” is dis-
played
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.167, 354)
●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.301)
*: 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.301)
*: 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.312)
■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 message.
(  P.312)
■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.377)
●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”

3687-2. Steps to take in an emergency
76 ft•lbf (103 N•m, 10.5 kgf•m)
5Stow the flat tire, tire jack and all
tools.
■The compact spare tire
●The compact spare tire is identified by the
label “TEMPORARY USE ONLY” on
the tire sidewall.
Use the compact spare tire temporarily,
and only in an emergency.
●Make sure to check the tire inflation pres-
sure of the compact spare tire. ( P.387)
■After completing the tire change
The tire pressure warning system must be
reset. ( P.321)
■When using the compact spare tire
As the compact spare tire is not equipped
with a tire pressure warning valve and trans-
mitter, low inflation pressure of the spare
tire will not be indicated by the tire pressure
warning system. Also, if you replace the
compact spare tire after the tire pressure
warning light comes on, the light remains
on.
■When the compact spare tire is
equipped
The vehicle becomes lower when driving
with the compact spar e tire compared to
when driving with standard tires.
■If you have a flat fron t tire on a road cov-
ered with snow or ice
Install the compact spare tire on one of the
rear wheels of the vehicle. Perform the fol-
lowing steps and fit tire chains to the front
tires: 1
Replace 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 specific ally 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

4068-2. Customization
■LTA (Lane Tracing Assist) (P.176)
■RSA (Road Sign Assist)* ( P.185)
*:If equipped
■BSM (Blind Spot Monitor)* ( P.197)
FunctionDefault settingCustomized setting
Lane centering functionOffOnO
Steering assist functionOnOffO
Alert typeSteering wheel
vibrationBuzzerO
Alert sensitivityStandardHighO
Vehicle sway warning functionOnOffO
Vehicle sway warning sensitivityStandardHighOLow
FunctionDefault settingCustomized setting
RSA (Road Sign Assist)OnOffO
Excess speed noti fication methodDisplay onlyNo notificationODisplay and buzzer
Excess speed notification level1 mph (2 km/h)3 mph (5 km/h)O5 mph (10 km/h)
Other notifications method (No-
entry notification)Display onlyNo notificationODisplay and buzzer
FunctionDefault settingCustomized setting
BSM (Blind Spot Monitor)OnOffO
Outside rear view mirror indicator
brightnessBrightDimO
Alert timing for presence of
approaching vehicle (sensitivity)Intermediate
Early
O
Late
Only when vehicle
detected in blind spot
ABC
ABC
ABC

430Alphabetical index
C
Care .......................................................296, 299Aluminum wheels ...................................... 296
Exterior ........................................................... 296
Interior ............................................................. 299
Seat belts........................................................ 299
Cargo capacity...............................................135
Cargo hooks ................................................. 268
Center Display ............................................. 244
Chains ................................................................ 241
Child-protectors............................................. 92
Child restraint system................................... 42 Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 46
Front passenger occupant classification system ..............................................................37
Points to remember .....................................42
Riding with children ......................................42
Types of child restraint system installation method ........................................................... 43
Using an anchor bracket ............................ 51
Child safety ....................................................... 42 Airbag precautions...................................... 33
Battery precautions ............315, 376, 376
Child restraint system................................. 43
Heated steering wheel and seat heater precautions................................................258
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ..............................121
Panoramic moon roof precautions ....125
Power window lock switch...................... 119
Power window precautions .................... 119
Rear door child-protectors ..................... 92
Removed electronic key battery precau- tions ...............................................................330
Seat belt extender precautions ............. 25
Seat belt precautions ...................................24
Trunk precautions ........................................ 93
Cleaning...............................................296, 299 Aluminum wheels ...................................... 296 Exterior............................................................296
Interior .............................................................299
Radar sensor ...................................... 163, 198
Seat belts ........................................................299
Clock ................................................ 64, 67, 269
Coat hooks.....................................................280
Compass ......................................................... 286
Condenser .......................................................313
Console box .................................................. 266
Console box light ........................................ 266
Cooling system...............................................312 Engine overheating................................... 377
Cornering lights .............................................152 Replacing light bulbs ................................335
Cruise control Dynamic radar cruise control with full-
speed range ............................................... 187
Cup holder ..................................................... 266
Current fuel consumption ...........................73
Curtain shield airbags .................................. 28
Customizable features ..............................400
D
Daytime running light system .................. 150
Defogger Outside rear view mirrors..................... 252
Rear window ................................................ 252
Windshield .................................................... 252
Dimension ...................................................... 382
Dinghy towing.................................................136
Display BSM (Blind Sport Monitor)....................197
Dynamic radar cruise control with full-
speed range ............................................... 187
Head-up display............................................ 78
Intuitive parking assist ............................. 205
LTA (Lane Tracing Assist) ....................... 181
Multi-information display ............................ 71
Parking Support Brake function (rear pedestrians)............................................... 233
RCD (Rear Camera Detection) ......... 215
RCTA.................................................................. 211

434Alphabetical index
Panoramic moon roof............................... 124
Power trunk opener and closer ............ 97
Power windows............................................. 118
K
Keyless entrySmart access system with push-button start ................................................................. 100
Wireless remote control........................... 87
Keys...................................................................... 86 Battery-saving function ............................. 101
Electronic key ................................................. 86
Engine switch................................................. 137
If the electronic key does not operate properly....................................................... 372
If you lose your keys................................... 371
Key number plate ......................................... 86
Keyless entry ..........................................89, 95
Mechanical key.............................................. 86
Replacing the battery...............................330
Warning buzzer .......................................... 100
Wireless remote control........................... 87
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) ......................... 176 Operation........................................................ 176
Warning messages ................................... 184
Language (multi-information display) ....76
LATCH anchors ............................................. 49
Lever Auxiliary catch lever ................................ 308
Hood lock release lever........................ 308
Internal trunk release lever ...................... 97
Shift lever............................................................141
Turn signal lever ...........................................145
Wiper lever.................................................... 155
Lexus climate concierge . ......................... 249
Lexus Enform Safety Connect............... 289
Lexus Safety System+2.0 ..........................163 Automatic High Beam ..............................153 Dynamic radar cruise
control with full-
speed range ............................................... 187
LTA (Lane Tracing Assist) ......................176
PCS (Pre-Collision System) ................. 169
RSA (Road Sign Assist)........................... 185
License plate lights....................................... 150 Light switch .................................................... 150
Replacing light bulbs ................................335
Light bulbs Replacing .......................................................335
Wattage ......................................................... 388
Lights Automatic High Beam system ............. 153
Front interior lights ....................................263
Front personal lights.................................263
Headlight switch.......................................... 150
Interior lights list .......................................... 262
Interior lights ................................................. 262
Rear interior lights .....................................263
Rear personal lights ..................................263
Trunk light ......................................................... 97
Turn signal lever .......................................... 145
Vanity lights ..................................................269
Wattage ......................................................... 388
Welcome light illumination control ..... 151
Lock steering column ................................. 138
Low profile tire................................................ 317
LTA (Lane Tracing Assist) ......................... 176 Operation ........................................................176
Warning messages.................................... 184
Luggage mat ................................................. 268
M
Maintenance Do-it-yourself maintenance ................ 306
General maintenance .............................302
Maintenance data ......................................382
Maintenance requirements ................... 301
Malfunction indicator la mp ..................... 349
Master warning light .................................. 355
Menu icons.........................................................72

435What to do if... (Troubleshooting)Alphabetical index435
MeterChanging the main meter location ....... 71
Clock ..........................................................64, 67
Indicators .......................................................... 62
Instrument panel light control ....... 66, 70
Meter control switches ...............................72
Meters ........................................................64, 67
Multi-information display ............................ 71
Settings .............................................................. 76
Units .................................................................... 75
Warning lights .............................................348
Warning message.................................... 358
Mirrors Inside rear view mirror................................114
Outside rear view mirror defoggers252
Outside rear view mirrors ....................... 115
Vanity mirrors.............................................. 269
Moon roof Door lock linked moon roof operation...................................................................121, 124
Jam protection function....................121, 124
Operation............................................. 120, 123
Multi-information display .............................. 71
Audio system-linked display................... 75
Boost gauge.....................................................74
Drive information 1/Drive information 2.............................................................................73
Driving information display.......................73
Driving support system information dis- play ................................................................... 76
Dynamic radar cruise control with full- speed range ................................................187
Eco Driving Indicator ...................................81
Gear Position ................................................. 75
G-force.............................................................. 75
LTA (Lane Tracing Assist)....................... 181
Menu icons .......................................................72
Meter control switches ...............................72
Navigation system-linked display ........ 75
Pop-up display............................................... 76
Settings .............................................................. 76
Suggestion function...................................... 77 Tire pressure ................................................. 319
Units..................................................................... 75
Warning message .................................... 358
N
Navigation system-linked display.... 75, 78
Noise from under vehicle ...............................6
O
Odometer ................................................. 65, 70
Odometer and trip meter display
“ODO TRIP” switch ...........................65, 70
Display items ..........................................65, 70
Pop-up display ...................................... 66, 70
“ODO TRIP”switch ............................... 65, 70
Oil Engine oil....................................................... 384
Opener Fuel filler door ................................................. 161
Hood ............................................................... 308
Trunk ...................................................................95
Outside door handle lig hts...................... 262
Outside rear view mirrors .......................... 115 Adjustment ....................................................... 115
BSM (Blind Sport Monitor)....................197
Folding................................................................ 116
Linked mirror functi on when reversing
............................................................................. 116
Mirror position memory ..........................108
Outside rear view mirror defoggers252
RCTA function ............................................... 211
Outside temperature............................ 64, 67
Overheating ...................................................377
P
Paddle shift switches ..........................143, 144
Panic mode ....................................................... 87
Panoramic moon roof Jam protection function ............................124
Operation ........................................................123

437What to do if... (Troubleshooting)Alphabetical index437
Road Sign Assist ........................................... 185
RSA (Road Sign Assist) ............................. 185
S
SCB (Secondary Collision Brake) ....... 236
Seat belt reminder light...............................351
Seat belts............................................................ 24 Adjusting the seat belt................................ 26
Automatic Locking Retractor ................ 26
Child restraint system installation......... 43
Cleaning and maintaining the seat belt......................................................................... 299
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt ............................................................................ 25
Pregnant women, proper seat belt use .............................................................................24
Reminder light and buzzer .....................351
Seat belt extender ........................................ 25
Seat belt pretensioners .............................. 26
SRS warning light ...................................... 349
Seat heaters ................................................... 258
Seating capacity.............................................135
Seat position memory................................. 108
Seats....................................................................107 Adjustment precautions ...........................107
Adjustment......................................................107
Child seats/child restraint system installa-tion .....................................................................42
Cleaning......................................................... 299
Driving position memory ........................ 108
Head restraints ................................................ 111
Power easy access system .................... 108
Properly sitting in the seat .........................23
Seat heaters ..................................................258
Seat position memory .............................. 108
Seat ventilators............................................258
Seat ventilators ............................................. 258
Secondary Collision Brake (SCB) ....... 236
Sensor Automatic headlight system.................. 150 Automatic High Beam system ............. 153
Inside rear view mirror ............................... 115
Intuitive parking assist ............................. 205
LTA (Lane Tracing Assist) ......................176
Parking Support Brake function (rear-
crossing vehicles)................................... 229
Parking Support Brake function (static objects) ........................................................ 225
Radar sensor ...................................... 163, 198
Rain-sensing windshield wipers .......... 158
RCTA................................................................. 212
Service reminder message ...................... 301
Shift lever Automatic transmission ............................. 141
Shift lever light .............................................. 262
Shift lock system.............................................142
Side airbags ...................................................... 28
Side marker lights......................................... 150 Light switch .................................................... 150
Side mirrors ...................................................... 115 Adjustment ....................................................... 115
BSM (Blind Sport Monitor)....................197
Folding................................................................ 116
Linked mirror functi on when reversing
............................................................................. 116
Mirror position memory ............................ 115
RCTA function ............................................... 211
Side turn signal lights ...................................145 Replacing light bulbs ................................335
Turn signal lever .......................................... 145
Side windows ................................................... 118
Smart access system with push-button start.................................................................. 100Antenna location ......................................... 100
Entry functions ...................................... 89, 95
Starting the engine ......................................137
Snow tires ....................................................... 240
Spare tire Storage location .........................................363
Spark plug ......................................................385
Specifications ................................................ 382
Speedometer ........................................... 64, 67

438Alphabetical index
Sport mode .................................................... 202
Steering lockColumn lock release................................. 138
Steering lock system warning message.......................................................................... 138
Steering wheel ................................................. 113 Adjustment....................................................... 113
Heated steering wheel............................258
Meter control switches ...............................72
Power easy access system .................... 108
Steering wheel positi on memory ....... 108
Stop lights Replacing light bulbs................................ 335
Storage feature ............................................ 265
Stuck If the vehicle becomes stuck................ 379
Suggestion function........................................ 77
Sunshade Roof ........................................................... 121, 123
Sun visors ........................................................ 269
Switches “ODO TRIP”switch ............................ 65, 70
“SOS” button ...............................................289
Automatic High Beam system..............153
Brake Hold switch ..................................... 148
BSM (Blind Sport Monitor) switch..... 197
Door lock switches ........................................ 91
Driving Mode Select switch ................. 202
Driving position memory switches .... 108
Dynamic radar cruise control with full-speed range switch ................................ 188
Electronic roof sunshade switches ..... 123
Emergency flashers switch ...................340
Engine switch................................................. 137
Garage door opener sw itches ............281
Heated steering wheel switch.............258
HUD (Head-up display) switch............ 79
Ignition switch................................................ 137
Instrument panel light control switches ................................................................... 66, 70
Intuitive parking assist switch...............206
Light switches ............................................... 150 LTA (Lane Tracing Assist) switch ....... 181
Meter control switches .............................. 72
Moon roof switches................................... 120
Outside rear view mirr
or switches ...... 115
Paddle shift switches ....................... 143, 144
Panoramic moon roof switches ...........123
Parking brake switch................................. 146
PCS OFF switch ........................................... 171
PKSB (Parking Support Brake) switch ............................................................................219
Power door lock switch ..............................91
Power window switches ........................... 118
RCD (Rear Camera Detection) switch ........................................................................... 215
RCTA switch .................................................. 212
Rear sunshades switch............................ 278
Rear window and outside rear view mir- ror defoggers switch ............................. 251
Seat heater switches................................ 258
Seat ventilator switches ......................... 258
Tilt and telescopic steering control switch ............................................................................. 113
Tire pressure warning reset switch.....321
Trunk closer switch ......................................96
Trunk opener main switch........................ 99
Trunk opener switch ...................................95
Vehicle-to-vehicle distance switch.... 188
VSC OFF switch ....................................... 237
Window lock switch.................................... 119
Windshield wiper and washer switch155
Windshield wiper de-icer switch.......255
T
Tachometer............................................... 64, 67 Rev indicator ...................................................69
Rev peak............................................................69
Tail lights........................................................... 150 Light switch .................................................... 150
Replacing light bulbs ................................335
Theft deterrent system Alarm...................................................................56
Engine immobilizer system...................... 54