2018 LEXUS NX300h cruise control

2254-5. Using the driving support systems
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4
Driving ●
Vehicle speed is at or above approxi-
mately 30 mph (50 km/h).
However, when a preceding vehicle is
detected, the dynamic radar cruise con-
trol with full-speed range can be set even
if the vehicle speed is below approxi-
mately 30 mph (50 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●
Pushing the lever up while the vehicle
ahead stops will resume follow-up cruis-
ing if the vehicle ahead starts off within
approximately 3 seconds after pushing
the lever up.●
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. ●
Actual vehicle speed falls below approxi-
mately 25 mph (40 km/h) when there
are no vehicles ahead.●
The preceding vehicle leaves the lane
when your vehicle is following at a vehicle
speed at or below approximately 25 mph
(40 km/h). Otherwise, the sensor can
not properly detect the vehicle.
(“CRUISE NOT AVAILABLE No pre-
ceding vehicle” is displayed on the multi-
information display.)
●
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 other rea-
son, there may be a malfunction in the sys-
tem. 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 25 mph (40 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 other reason, there
may be a malfunction in the system. Con-
tact your Lexus dealer.
■
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.
■
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-

376 7-2. Steps to take in an emergency
LEXUS NX300h Owners Manu-
al_USA_OM78212U charged” ( → P.390).*
: Displays for about 6 seconds ■
If “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is shown
This message may be displayed when the
shift lever is in N.
As the hybrid battery (traction battery) can-
not be charged when the shift lever is in N,
when the vehicle is to be stopped for a long
period of time, shift the shift lever to P. ■
If “Traction battery needs to be pro-
tected. Shift into P to restart.” is shown
Message is displayed when the remaining
charge for the hybrid battery (traction bat-
tery) is low, because vehicle has been
shifted N for a long period of time.
When operating the vehicle, restart the
hybrid system. ■
If “Shift to P Before Exiting Vehicle” is
shown
Message is displayed when the driver’s
door is opened with out turning the power
switch to OFF with the shift lever in any
position other than P.
Shift the shift lever to P. ■
If “Shift Is in N Release Accelerator
Before Shifting” is shown
Message is displayed when the accelerator
pedal has been depressed and the shift
lever is in N. Releas e the accelerator pedal
and shift the shift lever to D, S or R. ■
If “Depress Brake When Vehicle Is
Stopped Hybrid Syst em May Overheat”
is shown
Message is displayed when the accelerator
pedal is depressed to maintain the vehicle
position when stopped on a upward slope,
etc.
If this continues, th e hybrid system may
overheat.
Release the accelerator pedal and depress
the brake pedal.
■
If “Front Camera Unavailable” or “Front
Camera Unavailable Remove Debris
On Windshield” is shown
The following systems may be suspended
until the problem shown in the message is resolved. ( → P.209, 367)●
PCS (Pre-Collision System) ●
LDA (Lane Departure Alert with steering
control) ●
Dynamic radar cruise control with full-
speed range ●
Adaptive High-beam System ●
Automatic High Beam ■
If “Oil Maintenance Required Soon” is
shown
Indicates that the engine oil is scheduled to
be changed. (The indicator will not work
properly unless the oi l maintenance data
has been reset.)
Check the engine oil, and change if neces-
sary. After changing th e engine oil, the oil
change system should be reset. ( → P.329)■
If “Oil Maintenance Required” is shown
Indicates that the engine oil should be
changed. (After the engine oil is changed
and the oil maintenance data has been
reset.)
Check and change the en gine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, the oil change system should be
reset. ( → P.329)■
If “See Owner’s Manual” is shown ●
If the following messages are shown, fol-
lowing the instruct ions, accordingly.
• “Engine Coolant Temp High” ( → P.394)
• “Aux Battery Low” ( → P.375)●
If the following messages are shown,
there may be a malfunction.
Immediately have the vehicle inspected
by your Lexus dealer.
• “Hybrid System Malfunction”
•“Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Braking Power Low”
• “Smart Access System Malfunction”
●
If the following messages are shown,
there may be a malfunction.
Immediately stop the vehicle in a safe
place and contact your Lexus dealer.
Continuing to drive the vehicle may be
dangerous.
• “Oil Pressure Low”

384 7-2. Steps to take in an emergency
LEXUS NX300h Owners Manu-
al_USA_OM78212U WARNING■
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
• LDA (Lane Departure Alert with
steering control)
• 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 (if equipped)
Also, not only can the following system
not be utilized fully, but it may even nega-
tively affect the drive-train components:
•E-Four
■
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 deat h 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. ■
When replacing the tires
When removing or fitting the wheels,
tires or the tire pr essure warning valve
and transmitter, contact your Lexus
dealer as the tire pressure warning valve
and transmitter may be damaged if not
handled correctly.

448 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U Brake
Brake Hold .................................................... 180
Fluid ..................................................................405
Parking brake ................................................ 177
Regenerative braking ................................. 62
Warning light ...............................................366
Brake assist .................................................... 250
Brake Hold ...................................................... 180
Break-in tips...................................................... 151
Brightness control
Instrument panel light control ................ 84
BSM (Blind Spot Monitor)......................... 241
Blind Spot Monitor function................. 243
Rear Cross Traffic Alert function....... 246
BSM (Blind Spot Monitor) main switch241
C
Card key ...........................................................102
Care
Aluminum wheels ........................................314
Exterior ............................................................. 314
Interior ............................................................... 314
Seat belts.......................................................... 317
Cargo capacity...................................155, 400
Cargo hooks ................................................. 284
Cargo net hooks .......................................... 284
Chains .............................................................. 258
Child restraint system....................................47
Booster seats installation .......................... 53
Convertible seats installation.................. 52
Front passenger occupa nt classification
system ............................................................... 41
Infant seats definition................................... 49
Infant seats installation .................................. 51
Installing CRS with LATCH anchors . 55
Installing CRS with seat belts.................... 51
Installing CRS with top tether strap..... 57
LATCH anchors ........................................... 55
Child safety ....................................................... 46
12-volt battery precautions .......334, 393
Airbag precautions.......................................37
Back door precautions.............................. 110 Child restraint system ................................. 47
How your child should wear the seat belt
............................................................................. 28
Installing child restraints............................. 47
Moon roof precautions............................ 148
Power window lock switch .................... 145
Power window precautions .................. 145
Rear door child-protectors ................... 109
Removed key battery precautions... 348
Seat belt extender precautions.............. 28
Seat belt precautions .................................. 46
Seat heater precautions.......................... 275
Child-protectors........................................... 109
Cleaning .................................................. 314, 317
Aluminum wheels ........................................314
Exterior..............................................................314
Interior ...............................................................317
Seat belts ..........................................................317
Clock ................................................................288
Compass ......................................................... 303
Condenser .......................................................331
Console box .................................................. 282
Consumption screen .................................... 94
Coolant
Capacity ........................................................ 403
Checking ...................................................... 330
Preparing and checking before winter
.......................................................................... 257
Warning light .............................................. 366
Cooling system............................................. 330
Hybrid system overheating ..................394
Cruise control
Dynamic radar cruise control with full-
speed range ............................................... 217
Cup holders ................................................... 282
Curtain shield airbags .................................. 32
Customizable features ................................419
D
Daytime running light system .................. 184
Deck board .................................................... 285
Deck under tray ........................................... 285

449What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U Alphabetical Index
449Defogger
Outside rear view mirrors .................... 269
Rear window ................................................ 269
Windshield .................................................... 269
Differential ...................................................... 405
Dimension ......................................................400
Dinghy towing................................................. 167
Display
Drive information .......................................... 86
Dynamic radar cruise control with full-
speed range ................................................ 217
Energy monitor.............................................. 94
LDA (Lane Departure Alert with steering
control) ..........................................................210
Multi-information display .......................... 85
Warning messages .................................. 375
Do-it-yourself maintenance .................... 324
Doors
Automatic door lock ing and unlocking
system ........................................................... 109
Back door......................................................... 110
Door glasses .................................................. 144
Door lock........................................................ 106
Outside rear view mirrors ...................... 142
Rear door child-protectors ................... 109
Side doors ...................................................... 106
Drive information ........................................... 86
Drive-start control ............................... 151, 173
Driver’s seat belt remi nder light ............ 369
Driver’s seat position memory .................134
Driving
Break-in tips .................................................... 151
Correct posture ............................................ 25
Driving mode select switch .................. 249
Hybrid vehicle driving tips .................... 255
Procedures .................................................... 150
Winter drive tips......................................... 257
Driving position memory............................134
Memory recall function ............................135
Dynamic radar cruise control with full-
speed range
Function ............................................................ 217 Warning message ..................................... 374 E
E-Four .............................................................. 250
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 250
Eco mode........................................................ 249
EDR (Event data recorder) ............................7
Electric motor
Location ...............................................................61
Specification .................................................. 401
Electric Power Steering (EPS)
Function ......................................................... 250
Warning light ............................................... 367
Electronic key
Battery-saving function.............................123
If the electronic key does not operate
properly .......................................................387
Replacing the battery ............................... 347
Electronically Controlled Brake System
(ECB) ............................................................ 250
Emergency flashers ....................................358
Emergency, in case of
If a warning buzzer sounds.................. 365
If a warning light turns on...................... 365
If a warning message is displayed ..... 374
If the 12-volt battery is discharged ... 390
If the electronic key does not operate
properly .......................................................387
If the fuel filler do or cannot be opened
..........................................................................387
If the hybrid system will not start ....... 385
If you have a flat tire .................................. 377
If you lose your keys ....................... 103, 105
If you think something is wrong..........363
If your vehicle becomes stuck ............. 397
If your vehicle has to be stopped in an
emergency ................................................ 358
If your vehicle needs to be towed .... 360
If your vehicle overheats ........................394
Energy monitor ............................................... 94
Engine

452 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U J
Jack
Positioning a floor jack............................ 326
Vehicle-equipped jack ........................... 378
Jack handle .................................................... 378
Jam protection function
Moon roof ....................................................... 147
Power back door opener and closer. 118
Power windows............................................ 144 K
Keyless entry
Smart access system with push-button
start .................................................................. 122
Wireless remote control......................... 104
Keys.....................................................................102
Battery-saving function ............................ 123
Electronic key ................................................102
Engine switch................................................ 168
If the electronic key does not operate
properly....................................................... 387
If you lose your keys.................................386
Key number plate ........................................102
Keyless entry ................................................. 104
Mechanical key.............................................102
Power switch ................................................ 168
Replacing the battery............................... 347
Warning buzzer ........................................... 122
Wireless remote control key ................ 104
Knee airbags .................................................... 32
L
Lane Departure Alert wi th steering control
(LDA) ..............................................................210
Language (multi-information display) 422
LATCH anchors ............................................. 55
LDA (Lane Departure Alert with steering
control) ...........................................................210 Lever
Auxiliary catch lever .................................325
Hood lock release lever .........................325
Shift lever ..........................................................173
Turn signal lever ...........................................176
Wiper lever .................................................... 189
Lexus Enform Remote.................................. 311
Lexus Enform Safety Connect............... 306
Lexus Enform Service Connect ..............312
Lexus Safety System+................................. 198
Automatic High Beam ............................. 186
Dynamic radar cruise control with full-
speed range ................................................ 217
LDA (Lane Departure Alert with steering
control) ......................................................... 210
PCS (Pre-Collision System) ................203
License plate lights
Light switch .................................................... 183
Replacing light bulbs ................................353
Light
Automatic High Beam system ............. 186
Fog light switch ............................................ 189
Headlight switch.......................................... 183
Illuminated entry system ......................... 278
Interior light list ............................................ 278
Interior lights ................................................. 279
Luggage compartment light ................... 112
Personal lights ............................................. 279
Replacing light bulbs ................................353
Turn signal lever ...........................................176
Vanity lights ................................................. 288
Wattage ..........................................................407
Welcome light illumination control ... 107
Light bulbs
Replacing .......................................... 353, 354
Wattage ..........................................................407
Luggage cover ............................................. 286

453What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U Alphabetical Index
453M
Maintenance
Do-it-yourself maintenance ................. 324
General maintenance ...............................319
Maintenance data..................................... 400
Maintenance requirements ....................319
Malfunction indicator lamp ..................... 366
Meter
Head-up display ........................................... 90
Indicators ...........................................................74
Instrument panel light control ................ 84
Meters ................................................................ 79
Multi-information display .......................... 85
Warning lights .............................................365
Warning messages .................................. 374
Micro dust and pollen filter ..................... 273
Microphone ................................................... 306
Mirrors
Inside rear view mirror............................. 140
Outside rear view mirror defoggers269
Outside rear view mirrors ...................... 142
Vanity mirrors..............................................288
Moon roof
Jam protection function............................ 147
Operation........................................................146
Warning message...........................148, 374
Multi-information display
Drive information .......................................... 86
Dynamic radar cruise control with full-
speed range ................................................ 217
Energy monitor.............................................. 94
Language....................................................... 422
LDA (Lane Departure Alert with steering
control) ..........................................................210
Warning messages .................................. 374
N
Noise from under vehicle ...............................6 O
Odometer ..........................................................79
Oil
Engine oil........................................................402
Rear differential oil......... .......... ........... ...... 405
Opener
Back door ......................................................... 113
Fuel filler door ............................................... 196
Hood ................................................................325
Outside rear view mirrors ......................... 142
Adjusting and folding.................................142
Blind Spot Monitor (BSM)......................241
Linked mirror functi on when reversing
............................................................................142
Mirror position memory ...........................134
Outside rear view mirror defoggers269
Outside temperature display .....................79
Overheating .................................................. 394
P
Paddle shift switches .................................... 175
Panic mode ..................................................... 104
Parking brake
Operation ........................................................ 177
Parking brake engaged warning buzzer/
message ........................................................ 177
Warning light .............................................. 369
Parking lights
Light switch .................................................... 183
Replacing light bulb ..................................353
Parking Support Brake fu nction (for static
objects) ......................................................... 232
Indicator............................................................. 75
Warning light .............................................. 368
Warning messages...................................238
PCS (Pre-Collision System)
Function ..........................................................203
PCS switch................................................... 205
Warning light ............................................... 367
Warning message ..................................... 374
Personal lights............................................... 278

454 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U Switch .............................................................. 279
Power back door open er and closer ..... 110
Power control unit coolant
Capacity .........................................................403
Checking .......................................................330
Preparing and checking before winter
......................................................................... 257
Radiator ............................................................331
Power easy access system ........................134
Power outlets ................................................ 289
Power steering (Electric Power Steering
system).......................................................... 250
Warning light ............................................... 367
Power switch .................................................. 168
Power windows
Door lock linked window operation..145
Jam protection function............................ 144
Operation........................................................ 144
Window lock switch ..................................145
Pre-Collision System (PCS)
Function .......................................................... 203
PCS switch ...................................................205
Warning light ............................................... 367
Warning message..................................... 374 R
Radar cruise control (dynamic radar cruise
control with full-speed range)............... 217
Radiator .............................................................331
Rear Cross Traffic Alert ............................. 241
Rear seat
Folding down the rear seatbacks ....... 130
Rear side marker lights
Light switch .................................................... 183
Replacing light bulbs ................................353
Rear turn signal lights
Replacing light bulb ..................................353
Turn signal lever ...........................................176
Rear view mirror
Inside rear view mirror ............................. 140
Outside rear view mirrors.......................142
Rear window defogger ............................. 269
Rear window wiper.......................................194
Refueling ...........................................................196
Capacity .......................................................... 401
Fuel types ........................................................ 401
Opening the fuel tank cap ..................... 196
When the fuel filler door cannot be
opened.........................................................387
Regenerative braking ................................... 62
Remote Touch .............................................. 264
Replacing
Electronic key battery .............................. 347
Fuses.................................................................349
Light bulbs .....................................................353
Tires .................................................................. 377
Reporting safety defects for U.S. owners
.......................................................................... 432
Resetting the message indicating mainte-
nance is required ........................................319
Road accident cautions ............................... 65