Page 638 of 712
6389-1. Specifications
HIGHLANDER_U (OM48A12U)
Cooling system
Capacity
(Reference)
2.7 L 4-cylinder
(1AR-FE)
engine9.9 qt. (9.4 L, 8.3 Imp. qt.)
3.5 L V6 (2GR-
FE) engine
Without towing package
11.5 qt. (10.9 L, 9.6 Imp. qt.)
With towing package
11.8 qt. (11.2 L, 9.8 Imp. qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-
based non-silicate, non-amine, non-
nitrite, and non-borate coolant with
long-life hybrid organic acid technol-
ogy
Do not use plain water alone.
Ignition system
Spark plug
Make2.7 L 4-cylinder (1AR-FE) engine
DENSO SK16HR11
3.5 L V6 (2GR-FE) engine
DENSO FK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Page 644 of 712
6449-1. Specifications
HIGHLANDER_U (OM48A12U)
■When towing a trailer (245/55R19 103T tires)
On rear tires, add 1 psi (10.0 kPa, 0.1 kgf/cm
2 or bar) to the recom-
mended tire inflation pressure and drive at speeds below 65 mph (104
km/h).
Page 697 of 712

697Alphabetical index
HIGHLANDER_U (OM48A12U)
Child-protectors....................... 126
Cleaning ........................... 484, 487Aluminum wheels.................. 485
Exterior ................................. 484
Interior................................... 487
Seat belts .............................. 488
Clock ......................................... 457
Coat hooks ............................... 464
Compass .................................. 479
Condenser................................ 509
Console box ............................. 447
Conversation mirror ................ 456
Cooling system ........................ 508 Engine overheating ............... 626
Cruise control Cruise control........................ 261
Dynamic radar cruise control................................. 266
Cup holders.............................. 449
Curtain shield airbags ............... 41
Customizable features ............ 662 DAC (Downhill Assist
Control system).................... 304
Daytime running light system.................................... 242
Deck board ............................... 454
Defogger
Outside rear view mirrors ........................ 424, 430
Rear window ................. 424, 430
Windshield .................... 423, 430
Dimensions .............................. 632
Dinghy towing.......................... 224
Display
Drive information ............ 97, 103
Dynamic radar cruise control ................................ 266
LDA (Lane Departure
Alert)................................... 281
Multi-information display .......................... 97, 101
Warning message ................ 572
Do-it-yourself maintenance .... 498
Door lock Doors .................................... 121
Smart key system ................. 121
Wireless remote control ........ 122D
Page 698 of 712

698Alphabetical index
HIGHLANDER_U (OM48A12U)
DoorsAutomatic door locking
and unlocking system ......... 126
Back door.............................. 129
Door lock............................... 121
Door windows ....................... 178
Open door warning buzzer ... 124
Open door warning light ............................. 565, 574
Outside rear view mirrors...... 176
Rear door child-protector ...... 126
Side doors............................. 121
Downhill assist control system (DAC)......................... 304
Driver’s seat position memory .................................. 164
Driving ...................................... 192 Break-in tips .......................... 193
Correct driving posture ........... 28
Procedures ........................... 192
Winter drive tips .................... 323
Dynamic radar cruise control .................................... 266
Dynamic Torque Control AWD system .......................... 299 Eco Driving Indicator .............. 107
EDR (Event data recorder)........ 10
Electric Power Steering
(EPS) ...................................... 299Function ................................ 299
Warning light......................... 564
Electronic key .......................... 114 Battery-saving function ......... 149
If the electronic key does not operate properly ................. 618
Replacing the battery............ 532
Emergency flashers ................ 554
Emergency, in case of If a warning buzzer sounds................................ 563
If a warning light turns on ..... 563
If a warning message is displayed ............................ 572
If the battery is discharged ... 621
If the electronic key does not operate properly ........... 618
If the engine will not start ...... 615
If the shift lever cannot be shifted from P ..................... 617
If you have a flat tire ............. 590
If you think something is wrong ................................. 561
If your vehicle becomes stuck................................... 629
If your vehicle has to be
stopped in an emergency ... 555
If your vehicle needs to be towed.................................. 557
If your vehicle overheats....... 626E
Page 709 of 712

709Alphabetical index
HIGHLANDER_U (OM48A12U)
Tires .......................................... 515Chains................................... 325
Checking ............................... 515
If you have a flat tire ............. 590
Inflation pressure .................. 642
Information ............................ 649
Replacing .............................. 590
Rotating tires......................... 515
Size ....................................... 642
Snow tires ............................. 326
Spare tire .............................. 590
Tire pressure warning
system ................................ 516
Warning light ......................... 565
Tools ......................................... 591
Top tether strap ......................... 75
Towing Dinghy towing ....................... 224
Emergency towing ................ 557
Trailer towing ........................ 207
TRAC (Traction Control) ......... 298
Traction Control (TRAC).................................... 298
Trailer towing .......................... 207
Transmission ........................... 234 Automatic transmission......... 234
If the shift lever cannot be
shifted from P ..................... 617
S mode ................................. 236
Turn signal lights..................... 239 Replacing light bulbs............. 539
Turn signal lever ................... 239
Wattage ................................ 645 USB port................................... 342
Valet key ................................... 114
Vanity lights ............................. 455
Wattage ................................ 645
Vanity mirrors .......................... 455
Vehicle data recordings .............. 9
Vehicle identification number................................... 633
Vehicle Stability Control (VSC) ...................................... 298
Voice command system
*....... 417
VSC (Vehicle Stability
Control) .................................. 298
U
V
*: Refer to “Navigation and Multimedia System Owner’s Manual”