Page 709 of 732
709What to do if... (Troubleshooting)
HIGHLANDER_U (OM0E017U)
●Is the shift lever in P? (→P. 218)
●Is the steering wheel unlocked? ( →P. 218)
●Is the battery discharged? (→P. 638)
●Did you press the engine switch while firmly depressing the brake pedal?
(→P. 221)
●Is the shift lever in P? ( →P. 223)
●Is the electronic key anywhere detectable inside the vehicle?
(→P. 142)
●Is the steering wheel unlocked? ( →P. 224)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
(→P. 636)
●Is the battery discharged? ( →P. 638)
If you think something is wrong
The engine does not start
(vehicles without a smart key system)
The engine does not start
(vehicles with a smart key system)
Page 710 of 732

710What to do if... (Troubleshooting)
HIGHLANDER_U (OM0E017U)
●Vehicles without a smart key system:
Is the engine switch in the “ON” position?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in the “ON” position. (→P. 231)
●Vehicles with a smart key system:
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( →P. 231)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is pulled from the engine
switch. (→P. 219)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( →P. 224)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( →P. 173)
The shift lever cannot be shifted from P even if you depress
the brake pedal
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
Page 711 of 732

711What to do if... (Troubleshooting)
HIGHLANDER_U (OM0E017U)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. (→P. 223)
●The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts? ( →P. 582)
●The parking brake indicator is on
Is the parking brake released? (→P. 234)
Depending on the situation, other types of warning buzzer may also sound.
( →P. 581, 591)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( →P. 82)
Vehicles without a smart key system:
To stop the alarm, turn the engine switch to the “ON” position or start the
engine.
Vehicles with a smart key system:
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
The engine switch is tu rned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
(vehicles with an alarm)
Page 712 of 732
712What to do if... (Troubleshooting)
HIGHLANDER_U (OM0E017U)
●Is the electronic key left inside the vehicle or the moon roof or panoramic
moon roof open?
Check the message on the multi-information display. (→P. 591)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 581, 591.
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message or indicator
is displayed
Page 715 of 732

715Alphabetical index
HIGHLANDER_U (OM0E017U)
Alarm .......................................... 82Alarm ...................................... 82
Warning buzzer............. 581, 591
All-wheel drive system ............ 330
Anchor brackets ........................ 65
Antennas (smart key system)................................... 141
Anti-lock Brake System
(ABS) ...................................... 331 Function ................................ 331
Warning light ......................... 581
Armrest ..................................... 478
Assist grips .............................. 479
Audio input............................... 355
Automatic High Beam ............. 239
Automatic light control system .................................... 235
Automatic transmission.......... 227 If the shift lever cannot be shifted from P ..................... 231
S mode ................................. 229
AUX port ................................... 355
Auxiliary boxes ................ 465, 468 Back door ................................ 123
Back-up lights
Replacing light bulb .............. 556
Wattage ................................ 663
Battery ...................................... 527
Battery checking ................... 527
If the vehicle has discharged battery ................................ 638
Preparing and checking before winter ...................... 339
Bluetooth
®
Entune Audio ................ 396, 397
Hands-free system (for cellular phone) ............. 384
Bottle holders .......................... 462
Brake Fluid ...................................... 659
Parking brake ....................... 234
Warning light......................... 581
Brake assist ............................. 331
Break-in tips ............................ 187
Brightness control Instrument panel light
control .................................. 93
BSM (Blind Spot Monitor) ....... 316 Blind Spot Monitor function............................... 321
Rear Cross Traffic Alert function............................... 324
B
Page 716 of 732

716Alphabetical index
HIGHLANDER_U (OM0E017U)
Care................................... 500, 504Aluminum wheels.................. 501
Exterior ................................. 500
Interior................................... 504
Seat belts .............................. 505
Cargo hooks............................. 467
CD player .................................. 369
Chains....................................... 341
Child restraint system ............... 61 Booster seats, definition ......... 62
Booster seats, installation ....... 73
Convertible seats, definition ............................... 62
Convertible seats,
installation ............................ 69
Front passenger occupant classification syst em............. 53
Infant seats, definition ............. 62
Infant seats, installation .......... 69
Installing CRS with LATCH anchors .................... 67
Installing CRS with seat belts ...................................... 69
Installing CRS with top tether strap ........................... 75 Child safety ................................ 60
Airbag precautions.................. 43
Back door precautions .......... 129
Battery precautions....... 528, 643
Child restraint system ............. 61
Glass hatch precautions ....... 138
How your child should wear the seat belt.......................... 36
Installing child restraints ......... 65
Moon roof precautions .......... 179
Panoramic moon roof precautions......................... 184
Power window lock switch .... 173
Power window precautions ... 175
Rear door child-protectors .... 120
Removed electronic key battery precautions............. 551
Seat belt extender precautions........................... 39
Seat belt precautions .............. 38
Seat heater precautions ....... 455
C
Page 717 of 732

717Alphabetical index
HIGHLANDER_U (OM0E017U)
Child-protectors....................... 120
Cleaning ........................... 500, 504Aluminum wheels.................. 501
Exterior ................................. 500
Interior................................... 504
Seat belts .............................. 505
Clock ......................................... 471
Coat hooks ............................... 479
Compass .................................. 494
Condenser ................................ 525
Console box ............................. 461
Conversation mirror ................ 470
Cooling system ........................ 524 Engine overheating ............... 644
Cruise control Dynamic radar cruise control................................. 285
Cup holders.............................. 463
Curtain shield airbags ............... 41
Customizable features ............ 680 DAC (Downhill Assist
Control system).................... 337
Daytime running light system.................................... 236
Deck board ............................... 468
Defogger
Outside rear view mirrors ........................ 438, 444
Rear window ................. 438, 444
Windshield .................... 437, 444
Dimensions .............................. 650
Dinghy towing.......................... 217
Display Drive information .................... 97
Dynamic radar cruise
control ................................ 285
LDA (Lane Departure Alert
with steering control) .......... 279
Multi-information display .................................. 95
Warning message ................ 591
Do-it-yourself maintenance .... 514
Door lock Doors .................................... 115
Smart key system ................. 115
Wireless remote control ........ 116D
Page 718 of 732

718Alphabetical index
HIGHLANDER_U (OM0E017U)
DoorsAutomatic door locking
and unlocking system ......... 120
Back door.............................. 123
Door lock............................... 115
Door windows ....................... 172
Open door warning buzzer ... 118
Outside rear view mirrors...... 170
Rear door child-protector ...... 120
Side doors............................. 115
Warning message ................. 593
Downhill assist control system (DAC)......................... 337
Driver’s seat position
memory .................................. 158
Driving ...................................... 186 Break-in tips .......................... 187
Correct driving posture ........... 28
Procedures ........................... 186
Winter drive tips .................... 339
Dynamic radar cruise control .................................... 285 Constant speed control
mode .................................. 293
Vehicle-to-vehicle distance control mode....................... 291
Dynamic Torque Control
AWD system .......................... 332 Eco Driving Indicator .............. 102
EDR (Event data recorder)........ 10
Electric Power Steering
(EPS) ...................................... 332 Function ................................ 332
Warning light......................... 582
Electronic key .......................... 108 Battery-saving function ......... 143
If the electronic key does not
operate properly ................. 635
Replacing the battery............ 549
Emergency flashers ................ 572
Emergency, in case of If a warning buzzer
sounds................................ 581
If a warning light turns on ..... 581
If a warning message is displayed ............................ 591
If the battery is discharged ... 638
If the electronic key does not operate properly ........... 635
If the engine will not start ...... 633
If you have a flat tire ............. 608
If you think something is wrong ................................. 579
If your vehicle becomes stuck ................................... 647
If your vehicle has to be stopped in an emergency ... 573
If your vehicle needs to be
towed.................................. 575
If your vehicle overheats....... 644E