LEXUS UX250H 2019 Owners Manual

461What to do if... (Troubleshooting)
If you cannot release the shift lever
by depressing the brake pedal with
the power switch in ON (P.168)
 It is locked automatically to prevent
theft of the vehicle. ( P.163)
 Is the window lock switch pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the window lock switch
is pressed. ( P.146)
 The auto power off function will be
operated if the vehicle is left in ACC
or ON (the hybrid system is not
operating) for a period of time.
( P.164)
 The seat belt reminder light is flash-
ing
Are the driver and the front passen-
ger wearing the seat belts?
( P.390)
 The parking brake indicator is on
Is the parking brake released?
( P.172) Depending on the situation, other
types of warning buzzer may also
sound. (
P.386, 395)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm
sounds. ( P.71)
To stop the alarm, turn the power
switch to ON or start the hybrid sys-
tem.
 Is the message displayed on the
multi-information display?
Check the message on the multi-
information display. ( P.395)
 When a warning light turns on or a
warning message is displayed, refer
to P.386, 395.
 Slow down the vehicle, drive with
extra caution, and take your vehicle
to the nearest Lexus dealer or
authorized tire dealer as soon as
The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
drivingAn alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

462What to do if... (Troubleshooting)
possible to have the tire replaced.
( P.355)
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. ( P.413)
The vehicle becomes stuck

463Alphabetical Index
Alphabetical Index
A
A/C ....................................................................276Air conditioning filter ............................... 364
Automatic air conditioning system ... 276
ABS (Anti-lock Brake System).............. 256 Function .......................................................... 256
Warning light .............................................. 388
ACA (Active Cornering Assist) ........... 257
Active Cornering Assist (ACA) ........... 257
Active Sound Control (ASC) .................. 176
Airbags ................................................................. 31 Airbag operating conditions................... 33
Airbag precautions for your child ........ 36
Correct driving posture ............................ 25
Curtain shield airbag operating condi- tions .................................................................. 34
Curtain shield airbag precautions ....... 36
Front passenger occupant classification system ............................................................. 39
General airbag precautions ................... 36
Locations of airbags...................................... 31
Modification and disposal of airbags . 38
Side airbag operating conditions ......... 34
Side airbag precautions ............................ 36
Side and curtain shield airbags operating conditions...................................................... 34
Side and curtain shield airbags precau- tions .................................................................. 36
SRS airbags ....................................................... 31
SRS warning light ..................................... 388
Air conditioning filter ................................. 364
Air conditioning system .............................276 Air conditioning filter ............................... 364
Automatic air conditioning system ... 276
Alarm ..................................................................... 71 Warning buzzer .........................................386
Anchor brackets ..................................... 46, 54
Antennas (smart access system with push- button start) .................................................. 124
Anti-lock Brake System (ABS).............. 256 Function .......................................................... 256 Warning light .............................................. 388
Approach warning...................................... 222
Armrest............................................................. 310
ASC (Active Sound Control) .................. 176
Assist grips ........................................................ 311
Audio system-linked display ...................... 90
Automatic headlight leveling system ....178
Automatic High Beam ............................... 180
Automatic light control system................ 177
Average fuel economy................................. 89
Average vehicle speed ................................ 89
B
Back door .......................................................... 112 Hands Free Power Back Door ............. 116
Power back door.......................................... 115
Wireless remote control ......................... 106
Back-up lights Replacing light bulbs ................................ 374
Battery (12-volt battery) ........................... 342 Battery checking ........................................ 342
If the 12-volt battery is discharged ... 405
Preparing and checking before winter..........................................................................263
Replacing ...................................................... 408
Warning light .............................................. 386
Battery (traction batter y) ............................ 65
Blind Spot Monitor (BSM)....................... 226
Bottle holders ................................................ 295
Brake Brake Hold......................................................175
Fluid.....................................................................421
Parking brake ................................................ 172
Regenerative braking ................................. 63
Warning light .............................................. 386
Brake assist .................................................... 256
Brake Hold ....................................................... 175
Break-in tips.....................................................153
Brightness control Instrument panel light control....... 80, 86
BSM (Blind Spot Monitor)....................... 226

464Alphabetical Index
C
Card key .......................................................... 104
CareAluminum wheels ...................................... 322
Exterior ........................................................... 322
Interior ............................................................. 325
Seat belts........................................................ 325
Cargo capacity............................................... 157
Cargo hooks ................................................. 296
Center Display ............................................. 270
Chains .............................................................. 264
Child-protectors...............................................111
Child restraint system................................... 44 Fixed with a LATCH system .................. 52
Fixed with a seat belt................................... 48
Front passenger occupant classification system ............................................................. 39
Points to remember .................................... 44
Riding with children ..................................... 44
Types of child restraint system installation method ........................................................... 46
Using an anchor bracket .......................... 54
Child safety ....................................................... 44 12-volt battery precautions ...... 343, 409
Airbag precautions...................................... 36
Back door precautions...............................112
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................286
How your child should wear the seat belt ............................................................................ 28
Moon roof precautions ............................149
Power window lock switch.....................146
Power window precautions ...................146
Rear door child-protectors ....................... 111
Removed key battery precautions ...369
Seat belt extender precautions ............. 28
Seat belt precautions .................................. 52
Cleaning...............................................322, 325 Aluminum wheels ...................................... 322
Exterior ........................................................... 322 Interior .............................................................325
Radar sensor ...................................... 192, 227
Seat belts ........................................................325
Clock .................................................78, 82, 301
Coat hooks...................................................... 310
Compass ........................................................... 317
Condenser ..................................................... 340
Console box .................................................. 294
Consumption screen .....................................97
Coolant Capacity .......................................................... 419
Checking .......................................................339
Preparing and checking before winter..........................................................................263
Cooling system............................................. 339 Hybrid system overheating ................... 410
Cornering lights ............................................. 179 Replacing light bulbs ................................ 374
Cruise control Dynamic radar cruise control with full-
speed range ................................................216
Cup holders ................................................... 294
Current fuel consumption .......................... 89
Curtain shield airbags ....................................31
Customizable features .............................. 434
D
Daytime running light system ................... 177
Deck board .................................................... 297
Deck under tray ........................................... 296
Defogger Outside rear view mirrors..................... 277
Rear window ................................................ 277
Windshield .................................................... 277
Differential ........................................................ 421
Dimension ........................................................416
Dinghy towing.................................................. 161
Display BSM (Blind Spot Monitor).................... 226
Dynamic radar cruise control with full-
speed range ................................................216
Energy monitor .............................................. 97

Alphabetical Index465
Head-up display ........................................... 93
Intuitive parking assist.............................. 232
LTA (Lane-Tracing Assist) .....................210
Multi-information display .......................... 87
RCTA .............................................................. 239
Warning messages ..................................395
Distance until next engine oil change .. 80, 86
Do-it-yourself maintenance .................... 333
Door lock Doors................................................................ 108
Smart access system with push-button start .................................................................. 124
Wireless remote control......................... 106
Doors Automatic door lock ing and unlocking
system ............................................................... 111
Back door..........................................................112
Door glasses ..................................................145
Door lock........................................................ 108
Open door warning bu zzer .......... 109, 111
Outside rear view mirrors ...................... 142
Rear door child-protectors ....................... 111
Side doors ...................................................... 108
Drive distance .................................................. 89
Drive info 1/Drive info 2 .............................. 89
Driver’s seat position memory .................133
Drive-start control ........................................152
Driving................................................................152 Break-in tips ...................................................153
Correct driving posture ............................ 25
Driving mode select switch .................. 255
Hybrid vehicle driving tips ...................... 261
Procedures .....................................................152
Winter drive tips......................................... 263
Driving information display ........................ 88
Driving position memory............................133 Memory recall function ............................135
Driving range ................................................... 89
Driving support system information display ............................................................................. 90
Dynamic radar cruise control with full- speed range..................................................216
Warning message .........................224, 395
E
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 256
Eco drive mode ............................................ 255
EDR (Event data recorder) ........................... 8
E-Four .............................................................. 257
Elapsed time ..................................................... 89
Electric motor Location ............................................................. 62
Electric Power Steering (EPS) Function .......................................................... 257
Warning light .............................................. 388
Electronically Controlled Brake System (ECB) ............................................................ 256
Electronic key ................................................ 104 Battery-saving function............................ 125
If the electronic key does not operate properly ...................................................... 403
Replacing the battery .............................. 368
Emergency, in case of If a warning buzzer sounds.................. 386
If a warning light turns on...................... 386
If a warning message is displayed .... 395
If the 12-volt battery is discharged ... 405
If the electronic key does not operate properly ...................................................... 403
If the fuel filler do or cannot be opened
..........................................................................402
If the hybrid system will not start ....... 400
If the vehicle is trapped in rising water .......................................................................... 379
If you have a flat tire ................................. 399
If you lose your keys .................................402
If you think something is wrong......... 385
If your vehicle becomes stuck ...............413
If your vehicle has to be stopped in an emergency .................................................378
If your vehicle needs to be towed ...... 381
If your vehicle overheats ......................... 410

466Alphabetical Index
Emergency flashers .................................... 378
Energy monitor ................................................97
EngineACC ..................................................................164
Compartment ............................................. 337
Hood................................................................335
How to start the hybrid system ............ 162
Identification number ................................. 417
If your vehicle has to be stopped in an
emergency ................................................ 378
Ignition switch (power switch) .............. 162
Overheating.................................................. 410
Power switch ................................................. 162
Tachometer ............................................ 78, 82
Engine coolant.............................................. 339 Capacity ...........................................................419
Checking ....................................................... 339
Preparing and checking before winter......................................................................... 263
Engine coolant temperature gauge78, 82
Engine oil Capacity .......................................................... 418
Checking ....................................................... 337
Warning light ...............................................386
Engine oil maintenance data .................. 339
EPS (Electric Power Steering) .............. 257 Function .......................................................... 257
Warning light .............................................. 388
EV drive mode................................................165
Event data recorder (EDR) ........................... 8
EV indicator ...................................................... 63
F
Flat tire ............................................................. 399 Tire pressure warning system .............348
Floor mats .......................................................... 24
Fluid Brake.................................................................. 421
Hybrid transmission ................................. 420
Washer ............................................................. 341
Fog lights Replacing light bulbs................................ 374 Switch................................................................ 183
Front passenger occupant classification system .............................................................. 39
Front seats ......................................................... 131 Adjustment ....................................................... 131
Cleaning .........................................................325
Correct driving posture ............................ 25
Driving position memory ........................ 133
Head restraints............................................. 136
Memory recall function............................ 135
Power easy access system .................... 133
Seat heaters ..................................................287
Seat position memory .............................. 133
Seat ventilators ............................................287
Front side marker lights Light switch ..................................................... 177
Front turn signal lights Replacing light bulbs ................................375
Turn signal lever ............................................ 171
Wattage .......................................................... 422
Fuel Capacity ...........................................................417
Fuel gauge ............................................... 78, 82
Information .................................................... 423
Refueling.......................................................... 190
Type ....................................................................417
Warning light .............................................. 390
Fuel consumption Average fuel economy ..............................89
Current fuel consumption ........................89
Fuel filler door ................................................ 190 Refueling.......................................................... 190
When the fuel filler door cannot be
opened.........................................................402
Fuel gauge ................................................. 78, 82
Fuses ................................................................. 370
G
Garage door opener .................................... 311
Gauges ....................................................... 78, 82
G-force............................................................... 90
Glove box ....................................................... 294

Alphabetical Index467
Glove box light ............................................. 294
Grocery bag hooks .................................... 296
H
Hands Free Power Back Door ................. 116
Headlights ........................................................ 177Automatic High Beam system............. 180
Light switch ..................................................... 177
Replacing light bulbs................................ 374
Headlights aim .............................................. 372
Head restraints ...............................................136
Head-up display.............................................. 93 Driving information display area........... 93
Driving support system display area .. 95
Head-up display switch............................. 94
Hybrid System Indicator ........................... 96
Navigation system-linked display ........ 93
Pop-up display............................................... 95
Settings .............................................................. 94
Head-up display switch................................ 94
Heated steering wheel .............................. 286
Heaters Automatic air conditioning system ... 276
Heated steering wheel............................286
Outside rear view mirrors .....................277
Seat heaters ..................................................286
Hill-start assist control ............................... 257
Hood ................................................................. 335 Open ............................................................... 335
Hooks Cargo hooks................................................ 296
Coat hooks .................................................... 310
Grocery bag hooks ................................. 296
Retaining hooks (floor mat)......................24
Horn ................................................................... 140
Hybrid battery (traction battery) Location............................................................. 65
Specification .................................................. 418
Warning message........................................ 68
Hybrid battery (traction battery) air vent ..............................................................................67
Hybrid system .................................................. 62 Emergency shut off system......................68
Energy monitor/consumption screen 97
EV drive mode............................................. 165
High voltage components .......................65
Hybrid system precautions......................65
Hybrid vehicle driving tips ......................261
If the hybrid system will not start ....... 400
Overheating .................................................. 410
Power (ignition) switch .............................162
Regenerative braking ................................. 63
Starting the hybrid system .......................162
Vehicle proximity noti
fication system. 64
Hybrid System Indicator..............79, 84, 96
Hybrid transmission...................................... 167
I
I/M test ..............................................................331
Identification Engine................................................................417
Vehicle ............................................................. 416
Ignition switch (Power switch) .................162 Auto power off function........................... 164
Changing the power switch modes . 164
If your vehicle has to be stopped in an emergency .................................................378
Starting the hybrid system .......................162
Illuminated entry system ........................... 290
Immobilizer system........................................ 69
Indicators ............................................................76
Initialization Items to initialize .........................................446
Maintenance.................................... 328, 339
Power windows ........................................... 145
Tire pressure warning system .............. 351
Inside rear view mirror ............................... 140
Instrument panel light control .......... 80, 86
Interior lights.................................................. 290
Intuitive parking assist...................... 231, 232 Function .......................................................... 232
Warning message ..................................... 234

468Alphabetical Index
J
JackPositioning a floor jack............................ 336
Jam protection function Moon roof ...................................................... 148
Power back door opener and closer. 119
Power windows............................................145
K
Keyless entrySmart access system with push-button start .................................................................. 124
Wireless remote control......................... 106
Keys.................................................................... 104 Battery-saving function ............................125
Electronic key ............................................... 104
If the electronic key does not operate properly.......................................................403
If you lose your keys................................. 402
Key number plate ....................................... 104
Keyless entry .............................. 108, 113, 124
Mechanical key............................................ 104
Power switch ................................................. 162
Replacing the battery...............................368
Warning buzzer ........................................... 124
Wireless remote control key ................ 106
Knee airbags ...................................................... 31
L
Lane Tracing Assist (LTA) ....................... 205 Operation......................................................205
Warning messages .................................... 213
Language (multi-informa tion display) ..... 91
LATCH anchors ............................................. 52
Lever Auxiliary catch lever .................................335
Hood lock release lever.........................335
Shift lever.......................................................... 167
Turn signal lever .............................................171
Wiper lever......................................... 184, 188 Lexus climate concierge ...........................274
Lexus Enform Safety Connect.................. 56
Lexus Safety System+2.0 ..........................192
Automatic High Beam ............................. 180
Dynamic radar cruise control with full-
speed range ................................................216
LTA (Lane Tracing Assist) ................... 205
PCS (Pre-Collision System) ................. 198
RSA (Road Sign Assist)............................214
License plate lights Light switch ..................................................... 177
Replacing light bulbs ................................ 374
Light bulbs Replacing ....................................................... 374
Wattage .......................................................... 422
Lights Automatic High Beam system .............180
Cornering lights ...........................................179
Fog light switch ............................................ 183
Front interior lights ......................................291
Headlight switch........................................... 177
Illuminated entry system ........................ 290
Interior light list ........................................... 290
Luggage compartment light ................... 114
Personal lights ............................................. 292
Rear interior lights .......................................291
Replacing light bulbs ................................ 374
Turn signal lever ............................................ 171
Vanity lights ................................................... 301
Wattage .......................................................... 422
Welcome light illumination control ... 178
Lock steering column ..................................163
LTA (Lane Tracing Assist) ....................... 205 Operation ..................................................... 205
Warning messages.....................................213
Luggage cover ............................................. 298
M
Maintenance Do-it-yourself maintenance .................333
General maintenance .............................329
Maintenance data ....................................... 416

Alphabetical Index469
Maintenance requirements .................. 328
Malfunction indicator lamp ..................... 387
Menu icons........................................................ 87
Meter Changing the main meter location ..... 86
Clock ......................................................... 78, 82
Hybrid System Indicator .................. 79, 84
Indicators .......................................................... 76
Instrument panel light control ...... 80, 86
Meter control switches ..............................88
Meters ....................................................... 78, 82
Multi-information display .......................... 87
Settings ................................................................ 91
Warning lights .............................................386
Warning messages ..................................395
Mirrors Inside rear view mirror............................. 140
Outside rear view mirror defoggers 277
Outside rear view mirrors ...................... 142
Vanity mirrors............................................... 301
Moon roof Door lock linked moon roof operation.......................................................................... 148
Jam protection function........................... 148
Operation........................................................ 147
Multi-information display ............................ 87 Audio system-linked display................... 90
Drive information 1/Drive information 2............................................................................ 89
Driving information display......................88
Driving support system information dis- play ................................................................... 90
Dynamic radar cruise control with full- speed range ................................................ 216
Energy monitor.............................................. 97
G-force.............................................................. 90
LTA (Lane-Tracing Assist) .....................210
Menu icons ...................................................... 87
Meter control switches ..............................88
Navigation system-linked display ........ 90
Pop-up display............................................... 87
Settings ................................................................ 91 Suggestion function ..................................... 92
Units.....................................................................90
Warning messages.................................. 395
N
Navigation system-lin
ked display....90, 93
Noise from under vehicle ...............................6
O
Odometer ................................................ 80, 86
Odometer and trip meter display “ODO TRIP” switch .......................... 80, 86
Display items ......................................... 80, 86
Pop-up display ..................................... 80, 86
“ODO TRIP” switch ............................. 80, 86
Oil Engine oil......................................................... 418
Opener Back door ................................................ 113, 115
Fuel filler door ............................................... 190
Hood ................................................................335
Outside rear view mirrors ......................... 142 Adjustment ......................................................142
BSM (Blind Spot Monitor).................... 226
Folding...............................................................143
Linked mirror functi on when reversing
............................................................................143
Mirror position memory .......................... 133
Outside rear view mirror defoggers 277
RCTA function ............................................239
Outside temperature..... ....................... 78, 82
Overheating ................................................... 410
P
Paddle shift switches ..........................169, 170
Panic mode ..................................................... 106
Parking assist sensors (intuitive parking assist) ............................................................. 232
Parking brake.................................................. 172 Operation ........................................................ 172

470Alphabetical Index
Parking brake engaged warning buzzer........................................................................... 174
Warning light ...............................................389
Warning message....................................... 174
Parking lights Light switch ..................................................... 177
Replacing light bulbs................................ 374
Parking Support Brake function (rear- crossing vehicles) .......................... 243, 252Function .......................................................... 252
Parking Support Brake function (static objects) .............................................. 243, 247Function .......................................................... 247
PCS (Pre-Collision System) .................... 198 Function ........................................................... 198
PCS OFF switch ........................................200
Warning light ............................................... 392
Personal lights............................................... 290
PKSA (Parking Support Alert) ................231
PKSB (Parking Support Brake)............. 243 Warning message..................................... 246
Power back door open er and closer ..... 115
Power control unit coolant ...................... 339 Capacity ...........................................................419
Checking ....................................................... 339
Preparing and checking before winter......................................................................... 263
Power easy access system ........................133
Power outlets ................................................ 302
Power steering (Electric Power Steering system).......................................................... 257Warning light .............................................. 388
Power switch ................................................... 162 Auto power off function ...........................164
Changing the power switch modes ..164
If your vehicle has to be stopped in an
emergency ................................................ 378
Starting the hybrid system....................... 162
Power windows ..............................................145 Door lock linked window operation..146
Jam protection function............................145
Operation........................................................145 Window lock switch.................................. 146
Pre-Collision System (PCS) .................... 198 Function ........................................................... 198
PCS OFF switch ....................................... 200
Warning light ...............................................392
R
Radar cruise control (dynamic radar cruise control with full-speed range)...............216
Radiator ........................................................... 340
RCTA (Rear Cross Traffic Alert) 231, 239
RCTA Function ..........................................................239
Warning message .....................................240
Rear Cross Traffic Alert (RCTA) 231, 239
Rear seat Folding down the rear seatbacks ........132
Rear side marker lights Light switch ..................................................... 177
Rear turn signal lights Replacing light bulbs ................................ 374
Turn signal lever ............................................ 171
Rear view mirror Inside rear view mirror ............................. 140
Outside rear view mirrors.......................142
Rear window defogger ..............................277
Rear window wiper...................................... 188
Refueling .......................................................... 190 Capacity ...........................................................417
Fuel types .........................................................417
Opening the fuel tank cap ..................... 190
When the fuel filler door cannot be
opened.........................................................402
Regenerative braking ................................... 63
Remote Touch .............................................. 270
Replacing Electronic key battery ............................. 368
Fuses.................................................................370
Light bulbs ..................................................... 374
Tires ................................................................. 355
Resetting the message indicating mainte- nance is required ...................................... 328