Page 473 of 604

4737-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER_HV_U (OM48D74U)
Color display only
Indicates that the engine coolant temperature is
too highA buzzer also sounds.
P. 521
Color display onlyIndicates a malfunction in the vehicle’s charging
system
Immediately stop the vehicle in a safe place
and contact your Toyota dealer. Continuing
to drive the vehicle may be dangerous.
Color display only
(If equipped)
Indicates that the radar sensor is dirty or covered
with ice A buzzer also sounds.
Clean the sensor.
Color display only
(If equipped)
Indicates that the dynamic radar cruise control
system is unable to judge vehicle-to-vehicle dis-
tance
A buzzer also sounds.
Turn off snow mode.
If the windshield wipers are on, turn them
off or set them to a mode other than high
speed wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert)
system is suspended (The camera sensor tem-
perature is higher than the operation temperature
range)
A buzzer also sounds.
Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the
surrounding area on the bumper is dirty or cov-
ered with ice
A buzzer also sounds.
Clean the sensor and its surrounding area
on the bumper.
Warning messageDetails/Actions
Page 474 of 604

4747-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48D74U)
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control systemPress the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates a malfunction in the LDA (Lane Depar-
ture Alert) system
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Color display only
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision
system)
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot
Monitor) system
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Color display only
Indicates abnormal engine oil pressure
A buzzer also sounds.
Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates a malfunction in the AWD system A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
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Page 475 of 604

4757-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER_HV_U (OM48D74U)
(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 hybrid system was stopped
while driving
A buzzer also sounds.
Operate the steering wheel with more force
than usual.
Indicates that the power 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 power switch off,
and the driver’s door open)
A buzzer also sounds.
Close the moon roof or panoramic moon
roof.
Monochrome display
Color display
Indicates a malfunction in the brake override sys-
tem
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 476 of 604
4767-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48D74U)
Indicates that the hybrid system has overheatedThis message may be displayed when driving
under severe operating conditions. (For exam-
ple, when driving up a long steep hill.)
A buzzer also sounds.
Stop and check. ( P. 521)
(If equipped)
Indicates a malfunction in the Automatic High
Beam system
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Monochrome display
Color display
Indicates that the accelerator and brake pedal
are being depressed simultaneously
Release the accelerator or brake pedal.
Indicates that the washer fluid level is low
Add washer fluid.
Indicates that remaining fuel is approximately 2.6
gal. (9.7 L, 2.1 Imp. gal.) or less
Refuel the vehicle.
Warning messageDetails/Actions
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Page 477 of 604

4777-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER_HV_U (OM48D74U)
Indicates that the TRAC (Traction Control) sys-
tem has been deactivated
Turn the TRAC on. ( P. 294)
(U.S.A. only)
Indicates that all maintenance according to the
driven distance on the maintenance schedule*1
should be performed soon.
Comes on approximately 4500 miles (7200 km)
after the maintenance data has been reset.
If necessary, perform maintenance.
(U.S.A. only)
Indicates that all maintenance is required to cor-
respond to the driven distance on the mainte-
nance schedule*
1.
Comes on approximately 5000 miles (8000 km)
after the maintenance data has been reset.
(The indicator will not work properly unless the
maintenance data has been reset.)
Perform the necessary maintenance.
Please reset the maintenance data after the
maintenance is performed. ( P. 387)
(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. 294)
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
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Page 478 of 604

4787-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48D74U)
*1: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
*2: For the EV drive mode operating conditions: P. 235
Indicates that the EV drive mode is not avail-
able
*2
The reason the EV drive mode is not available
(the vehicle is idling, hybrid battery [traction
battery] charge is low, speed is higher than the
EV drive mode operating speed range, acceler-
ator pedal is depressed too much) may be dis-
played.
A buzzer also sounds.
Use the EV drive mode when it becomes
available.
Indicates that the EV drive mode has been auto-
matically canceled
*2
The reason the EV drive mode is not available
(the hybrid battery [traction battery] charge is
low, speed is higher than the EV drive mode
operating speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
Drive the vehicle for a while.
Warning messageDetails/Actions
Page 479 of 604

4797-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER_HV_U (OM48D74U)
■Messages displays
The message illustrations used are intended as examples, and may differ
from the image that is actually displayed on the multi-information display.
■ Warning message in dynamic radar cr uise control mode (if equipped)
In the following situations, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
● When your vehicle and the vehicle ahead are traveling at the same speed or
the vehicle ahead is traveling more quickly than your vehicle
● When the vehicle ahead is traveling at a very low speed
● Immediately after cruise control speed is set
● At the instant the accelerator pedal is depressed
■ The LDA (Lane Departure Alert) lane departure warning function (if
equipped)
In the following situations, a warning message will not be displayed even if a
lane line is crossed.
● When the vehicle speed deviates from the operating range of the LDA sys-
tem functions
● When the lane lines cannot be recognized
■ Conditions that the tire pressure warning system may not function prop-
erly
P. 387
■ Warning buzzer
P. 462
Page 480 of 604

4807-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48D74U)
InteriorbuzzerExterior buzzerWarning messageDetails/Actions
Once An attempt was made to start
the hybrid system with the shift
lever in an incorrect position.
Shift the shift lever to P
and start the hybrid sys-
tem.
Con-
tinu-
ous
The driver’s door was opened
when the shift lever was not in
P and the power 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
power 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 power switch off
when the shift lever was in P.
Turn the power switch off
and lock the doors again.
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)
(Displayed alternately)
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