Page 710 of 732

710
HIGHLANDER_U
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine keys or mechanical
keys can be made by your Toyota dealer. (P. 117)
●If  you lose  your  keys  or  electronic keys,  the risk  of vehicle  t heft increases
significantly. Contact your Toyota dealer immediately. ( P. 120)
●Is the key battery weak or depleted? (P. 551)
●Vehicles with a smart key system: 
Is the engine switch in IGNITION ON mode? 
When locking the doors, turn the engine switch off. ( P. 228)
●Vehicles with a smart key system: 
Is the electronic key left inside the vehicle? 
When  locking  the  doors,  make  sure  that  you  have  the  electronic  key  on
your person.
●The  function  may  not  operate  properly  due  to  the  condition  of  t he  radio
wave. ( P. 117, 150)
●Is the child-protector lock set?
The  rear  door  cannot  be  opened  from  inside  the  vehicle  when  the   lock  is
set.  Open  the  rear  door  from  outside  and  then  unlock  the  child-protector
lock. ( P. 126)
If  you  have  a  problem,  check  the  following  before  contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened 
         
        
        
     
        
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711What to do if... (Troubleshooting)
HIGHLANDER_U
●Is the shift lever in P? (P. 224)
●Is the steering wheel unlocked? ( P. 224)
●Is the battery discharged? (P. 640)
●Did  you  press  the  engine  switch  while  firmly  depressing  the  bra ke  pedal?
( P. 227)
●Is the shift lever in P? ( P. 229)
●Is the electronic key anywhere detectable inside the vehicle? 
(P. 148)
●Is the steering wheel unlocked? ( P. 230)
●Is the electronic key battery weak or depleted? 
In this case, the engine can be started in a temporary way. 
(P. 638)
●Is the battery discharged? ( P. 640)
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 712 of 732

712What to do if... (Troubleshooting)
HIGHLANDER_U
●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. 237)
●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 p edal with the
engine switch in IGNITION ON mode. ( P. 237)
●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. 225)
●Vehicles with a smart key system: 
It is locked automatically to prevent theft of the vehicle. ( P.   2 3 0 )
●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. 179)
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 713 of 732

713What to do if... (Troubleshooting)
HIGHLANDER_U
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (with the engine not running) for a period of
time. ( P. 229)
●The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts? ( P. 584)
●The parking brake indicator is on
Is the parking brake released? (P. 240)
Depending  on  the  situation,  other  types  of  warning  buzzer  may  also  sound.
( P. 583, 593)
 
●Did anyone inside the vehicle open a door during setting the al arm? 
The sensor detects it and the alarm sounds. ( P. 88)
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 tur ned 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 714 of 732
714What to do if... (Troubleshooting)
HIGHLANDER_U
●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. 593)
●When  a  warning  light  turns  on  or  a  warning  message  or  indicator  is dis-
played, refer to P. 583, 593.
A warning buzzer sounds w hen leaving the vehicle 
(vehicles with a smart key system)
A  warning  light  turns  on  or  a  warning  message  or  indicator
is displayed 
         
        
        
     
        
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717Alphabetical index
HIGHLANDER_U
Alarm .......................................... 88Alarm ...................................... 88
Warning buzzer............. 583, 593
All-wheel drive system ............ 337
Anchor brackets ........................ 65
Antennas (smart key  system)................................... 147
Anti-lock Brake System 
(ABS) ...................................... 338 Function ................................ 338
Warning light ......................... 583
Armrest ..................................... 486
Assist grips .............................. 487
Audio input............................... 361
Automatic High Beam ............. 245
Automatic light control  system .................................... 241
Automatic transmission.......... 233 If the shift lever cannot be shifted from P ..................... 237
S mode ................................. 235
AUX port ................................... 361
Auxiliary boxes ................ 471, 474 Back door  ................................ 129
Back-up lights
Replacing light bulb .............. 558
Wattage ................................ 665
Battery ...................................... 529
Battery checking ................... 529
If the vehicle has discharged battery ................................ 640
Preparing and checking  before winter ...................... 346
Bluetooth
®
Entune Audio ................ 402, 403
Hands-free system  (for cellular phone) ............. 390
Bottle holders .......................... 468
Brake Fluid ...................................... 661
Parking brake ....................... 240
Warning light......................... 583
Brake assist ............................. 338
Break-in tips ............................ 193
Brightness control Instrument panel light 
control .................................. 99
BSM (Blind Spot Monitor) ....... 323 Blind Spot Monitor function............................... 328
Rear Cross Traffic Alert  function............................... 331
B 
         
        
        
     
        
        Page 718 of 732

718Alphabetical index
HIGHLANDER_U
Care................................... 502, 506Aluminum wheels.................. 503
Exterior ................................. 502
Interior................................... 506
Seat belts .............................. 507
Cargo hooks............................. 473
CD player .................................. 375
Chains....................................... 348
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 .......... 135
Battery precautions....... 530, 645
Child restraint system ............. 61
Glass hatch precautions ....... 144
How your child should wear the seat belt.......................... 36
Installing child restraints ......... 65
Moon roof precautions .......... 185
Panoramic moon roof  precautions......................... 190
Power window lock switch .... 179
Power window precautions ... 181
Rear door child-protectors .... 126
Removed electronic key  battery precautions............. 553
Seat belt extender  precautions........................... 39
Seat belt precautions .............. 38
Seat heater precautions ....... 461
Child-protectors ...................... 126
Cleaning ........................... 502, 506 Aluminum wheels ................. 503
Exterior ................................. 502
Interior .................................. 506
Seat belts.............................. 507
Clock......................................... 479
Coat hooks ............................... 487
Compass .................................. 496
Condenser................................ 527
Console box ............................. 467
Conversation mirror ................ 479
Cooling system........................ 526 Engine overheating............... 646
Cruise control
Dynamic radar cruise control ................................ 291
Cup holders ............................. 469
Curtain shield airbags............... 41
Customizable features ............ 682
C 
         
        
        
     
        
        Page 719 of 732

719Alphabetical index
HIGHLANDER_U
DAC (Downhill Assist Control system) ....................  344
Daytime running light  system .................................... 242
Deck board ............................... 474
Defogger
Outside rear view mirrors ........................ 444, 450
Rear window ................. 444, 450
Windshield .................... 443, 450
Dimensions .............................. 652
Dinghy towing .......................... 223
Display Drive information................... 103
Dynamic radar cruise 
control................................. 291
LDA (Lane Departure Alert 
with steering control) .......... 285
Multi-information  display ................................ 101
Warning message  ................ 593
Do-it-yourself maintenance .... 516
Door lock Doors .................................... 121
Smart key system ................. 121
Wireless remote control ........ 122 Doors
Automatic door locking 
and unlocking system......... 126
Back door ............................. 129
Door lock .............................. 121
Door windows ....................... 178
Open door warning buzzer ... 124
Outside rear view mirrors ..... 176
Rear door child-protector ...... 126
Side doors ............................ 121
Warning message................. 595
Downhill assist control  system (DAC) ........................ 344
Driver’s seat position 
memory .................................. 164
Driving ...................................... 192 Break-in tips.......................... 193
Correct driving posture ........... 28
Procedures ........................... 192
Winter drive tips .................... 346
Dynamic radar cruise  control .................................... 291 Constant speed control 
mode .................................. 300
Vehicle-to-vehicle distance  control mode ...................... 298
Dynamic Torque Control 
AWD system .......................... 339
D