2019 TOYOTA HIGHLANDER check engine

6058-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U
After taking the specified steps to correct the suspected problem,
check that the warning m essage and light go off.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
Con-
tinu-
ous  The driver’s door was opened
when the shift lever was not in
P and the engine switch was
not turned off.

Shift the shift lever to P.
Con-
tinu-
ousContin-
uous
The driver’s door was opened
and closed while the electronic
key was not in the vehicle, the
shift lever was not in P and the
engine switch was not turned
off.
Shift the shift lever to P.
 Bring the electronic key
back into the vehicle.
OnceContin-
uous
An attempt was made to exit
the vehicle with the electronic
key and lock the doors without
first turning the engine switch
off when the shift lever was in P.
Turn the engine switch off
and lock the doors again.
(Flashes)
(Displayed alternately)
(Flashes)
(Displayed alternately)
(Flashes)

6388-2. Steps to take in an emergency
HIGHLANDER_U
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
engine switch.
When the electronic key is
detected, a buzzer sounds and the
engine switch will turn to IGNITION
ON mode.
When the smart key system is
deactivated in customization set-
ting, the engine switch will turn to
ACCESSORY mode.
Firmly depress the brake pedal.
Check that and a message are shown on the multi-information dis-
play.
Press the engine switch.
In the event that the engine still cannot be started, contact your Toyota
dealer.
■ Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when
stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 551)
■ Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time t he switch is
pressed. ( P. 228)
■ When the electronic key does not work properly
●Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features P. 682)
● Check if battery-saving mode is set. If it is set, cancel the f unction.
( P. 149)
Starting the engine
1
2
3
4
3

6478-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
that the radiator cooling fans operate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating b y checking the
fan sound and air flow. If it is difficult to check these, turn the air condition-
ing system on and off repeatedly. (The fans may not operate in freezing
temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fans are operating:
Have the vehicle ins pected at the nearest Toyota dealer.
5
WARNING
■When inspecting under th e hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
● If steam is seen coming from under the hood, do not open the ho od until
the steam has subsided. The engine compartment may be very hot.
● Keep hands and clothing (especially a tie, a scarf or a muffler ) away from
the fans and belts.
● Do not loosen the radiator cap and the coolant reservoir cap wh ile the
engine and radiator are hot.
6
7

6569-1. Specifications
HIGHLANDER_U
*: The engine oil capacity is a reference quantity to be used when changing
the engine oil. Warm up and turn off the engine, wait more than 5 minutes,
and check the oil level on the dipstick.
■
Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use
Toyota approved “Toyota Genuine Motor Oil” or equivalent to sat isfy
the following grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice
for good fuel economy and
good starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced
with SAE 0W-20 at the next oil
change.
Lubrication system
Oil capacity
(Drain and refill  reference
*)
With filter
2.7 L 4-cylinder (1AR-FE) engine
4.6 qt. (4.4 L, 3.9 Imp. qt.)
3.5 L V6 (2GR-FKS) engine
5.8 qt. (5.5 L, 4.8 Imp. qt.)
Without filter2.7 L 4-cylinder (1AR-FE) engine
4.2 qt. (4.0 L, 3.5 Imp. qt.)
3.5 L V6 (2GR-FKS) engine
5.6 qt. (5.3 L, 4.7 Imp. qt.)
Outside temperature

6599-1. Specifications
9
Vehicle specifications
HIGHLANDER_U
*: The fluid capacity is a reference quantity. If replacement is necessary, contact your Toyota dealer.
Electrical system
Battery
Open voltage at 68 F
(20 C): 12.3 V or More
If the voltage is lower than the standard value,
charge the battery.
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A max.
Automatic transaxle
Fluid capacity*
2.7 L 4-cylinder (1AR-FE) engine
6.9 qt. (6.5 L, 5.7 Imp. qt.)
3.5 L V6 (2GR-FKS) engine
2WD models:
8.0 qt. (7.58 L, 6.7 Imp. qt.)
AWD models:
8.0 qt. (7.58 L, 6.7 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■ Automatic transmission fluid type
Using automatic transmission fluid other than “Toyota Genuine A TF WS”
may cause deterioration in shift quality, locking up of your tr ansmission
accompanied by vibration, and ultimately damage the automatic transmis-
sion of your vehicle.

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

720Alphabetical index
HIGHLANDER_U
Eco Driving Indicator .............. 108
EDR (Event data recorder) ........ 10
Electric Power Steering (EPS)....................................... 339 Function ................................ 339
Warning light ......................... 584
Electronic key .......................... 114 Battery-saving function ......... 149
If the electronic key does not
operate properly ................. 637
Replacing the battery ............ 551
Emergency flashers ................ 574
Emergency, in case of If a warning buzzer
sounds ................................ 583
If a warning light turns on...... 583
If a warning message is displayed ............................ 593
If the battery is discharged.... 640
If the electronic key does not operate properly ........... 637
If the engine will not start ...... 635
If you have a flat tire ............. 610
If you think something is wrong.................................. 581
If your vehicle becomes stuck ................................... 649
If your vehicle has to be stopped in an emergency ... 575
If your vehicle needs to be
towed .................................. 577
If your vehicle overheats ....... 646
Engine....................................... 655
“ACC” position ...................... 224
ACCESSORY mode ............. 228
Compartment ........................ 521
Engine switch................ 224, 227
Hood ..................................... 518
How to start the engine......................... 224, 227 Identification number ............ 654
If the engine will not start ...... 635
Ignition switch
(engine switch) ........... 224, 227
Overheating .......................... 646
Engine coolant......................... 526 Capacity................................ 658
Checking............................... 526
Preparing and checking before winter ...................... 346
Engine coolant temperature
gauge ....................................... 98
Engine immobilizer system ...... 86
Engine oil ................................. 523 Capacity................................ 656
Checking............................... 523
Oil pressure warning message............................. 600
Preparing and checking before winter ...................... 346
Engine switch .................. 224, 227
Enhanced VSC ......................... 338
Entune Audio ........................... 357 Audio input............................ 361
AUX port/USB port............................. 361
CD player.............................. 375
iPod ...................................... 381
MP3/WMA disc ..................... 375
Optimal use .......................... 372
Portable music player ........... 389
Radio .................................... 373
Steering wheel audio
switch ................................. 360
USB memory ........................ 385
Entune Audio Plus
*
Entune Premium Audio*
EPS (Electric Power Steering) ..... 339
Function ................................ 339
Warning light......................... 584
Event data recorder (EDR)........ 10
E

729Alphabetical index
HIGHLANDER_U
Tachometer ................................ 98
Tail lights .................................. 241Light switch ........................... 241
Replacing light bulbs............. 558
Talk switch ............................... 435
Telephone switches ................ 416
Theft deterrent system Alarm ...................................... 88
Engine immobilizer system ..... 86
Tire inflation pressure ............. 544 Maintenance data ................. 662
Warning light ......................... 586
Tire information ....................... 669 Glossary................................ 676
Size ....................................... 672
Tire identification number ..... 671
Uniform Tire Quality
Grading............................... 674
Tire pressure warning system .................................... 535
Function ................................ 535
Initializing .............................. 535
Installing tire pressure warning valves and
transmitters......................... 535
Registering ID codes ............ 537
Tire pressure warning reset
switch ................................. 536
Warning light ......................... 586 Tires .......................................... 533
Chains .................................. 348
Checking............................... 533
If you have a flat tire ............. 610
Inflation pressure .................. 662
Information............................ 669
Replacing.............................. 610
Rotating tires ........................ 534
Size....................................... 662
Snow tires ............................. 349
Spare tire .............................. 610
Tire pressure warning
system .......... ...................... 535
Warning light......................... 586
Tools ......................................... 611
Top tether strap ......................... 75
Towing Dinghy towing ....................... 223
Emergency towing ................ 577
Trailer towing ........................ 207
Toyota Safety Sense P ............ 260 Automatic High Beam ........... 245
Dynamic radar cruise control ................................ 291
LDA (Lane Departure Alert
with steering control) .......... 281
PCS (Pre-Collision System) ....... 267
T
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”