Page 586 of 716

5868-2. Steps to take in an emergency
HIGHLANDER_U (OM48F09U)
(AWD models)
Indicates a malfunction in the AWD systemA buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates that the LDA (Lane Departure Alert)
system cannot be used because the vehicle
speed is lower than approximately 32 mph (50
km/h)
Drive the vehicle at 32 mph (50 km/h) or
higher.
Indicates that the engine was stopped while driv-
ing
A buzzer also sounds.
Operate the steering wheel with more force
than usual.
Indicates that the engine switch is turned off or
turned to ACCESSORY mode and the driver’s
door is opened while the lights are turned on
A buzzer also sounds.
Turn the lights off.
(If equipped)
Indicates that the moon roof or panoramic moon
roof is not fully closed (with the engine switch off,
and the driver’s door open)
A buzzer also sounds.
Close the moon roof or panoramic moon
roof.
(AWD models)
Indicates that the AWD system is not currently
functional
A buzzer also sounds.
Reduce vehicle speed or stop the vehicle in
a safe place until the warnings clear. In this
case, do not stop the engine.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
Page 589 of 716
5898-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Auto-
matic High Beam switch again.
Color display only
(If equipped)
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-collision
brake system operation is stopped
Turn the VSC on. ( P. 304)
Color display only
(If equipped)
Indicates that the PCS (Pre-collision system) is
not currently functional because the grille cover
or the sensor is dirty
Check the grille cover and the sensor and
clean them if they are dirty.
Warning messageDetails/Actions
(Flashes)
Page 591 of 716

5918-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
InteriorbuzzerExterior 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)
Page 616 of 716

6168-2. Steps to take in an emergency
HIGHLANDER_U (OM48F09U)
■The compact spare tire (vehicles with a compact spare tire)
●The compact spare tire is identified by the label “TEMPORARY USE
ONLY” on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare tire.
( P. 648)
■When the compact spare tire is installed (vehicles with a compact
spare tire)
The vehicle is lower when the compact spare tire is installed compared to
when standard tires are installed.
■When using the compact spare tire (vehicles with a tire pressure
warning system)
As the compact spare tire is not equipped with a tire pressure warning
valve and transmitter, lo w inflation pressure of the spare tire will not be
indicated by the tire pressure warning system. Also, if you replace the
compact spare tire after the tire pressure warning light comes on, the light
remains on.
■If you have a flat front tire on a road covered with snow or ice (vehi-
cles with a compact spare tire)
Install the compact spare tire on one of the rear wheels of the vehicle.
Perform the following steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the vehi-
cle.
Fit tire chains to the front tires.
1
2
3
Page 631 of 716

6318-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
WARNING
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery:
●Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the intended terminal.
● Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
● Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open flame near
the battery.
■ Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
●When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, clothing
or the vehicle body.
● Do not lean over the battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
● Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fan or engine drive belt.
Page 697 of 716

697What to do if... (Troubleshooting)
HIGHLANDER_U (OM48F09U)
●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. 230)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 571)
●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. 569, 578)
●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 698 of 716
698What to do if... (Troubleshooting)
HIGHLANDER_U (OM48F09U)
●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. 578)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 569, 578.
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 700 of 716

700
HIGHLANDER_U (OM48F09U)
Alphabetical index
Alphabetical index
A/CAir conditioning filter ............. 536
Front automatic air
conditioning system ............ 432
Front manual air conditioning
system ......... ....................... 426
Rear automatic air conditioning system ............ 442
Rear manual air conditioning system ......... ....................... 439
ABS
(Anti-lock Brake
System) .................................. 301Function ................................ 301
Warning light ......................... 570
Air conditioning filter .............. 536
Air conditioning system Air conditioning filter ............. 536
Front automatic air conditioning system ............ 432
Front manual air conditioning system ......... ....................... 426
Rear automatic air
conditioning system ............ 442
Rear manual air conditioning system ......... ....................... 439 Airbags ....................................... 40
Airbag operating conditions .... 48
Airbag precautions for
your child .............................. 43
Airbag warning light .............. 570
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 49
Curtain shield airbag precautions........................... 46
Front passenger occupant
classification syst em ............ 53
General airbag precautions .... 43
Locations of airbags ............... 40
Modification and disposal of airbags ............... 47
Side airbag operating
conditions ............................. 49
Side airbag precautions .......... 43
Side and curtain shield airbags operating
conditions ............................. 49
Side and curtain shield
airbags precautions .............. 43
SRS airbags ........................... 40
Alarm .......................................... 82 Alarm ...................................... 82
Warning buzzer ............ 569, 578
All-wheel drive system............ 300
Anchor brackets ........................ 65
Antennas (smart key system) .................................. 146
A