Page 573 of 712
5738-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48E98U)
Warning message and warning buzzer list
Warning messageDetails/Actions
Color display only
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision;or
• The pre-collision braking function is operating
A buzzer also sounds.
Slow the vehicle by applying the brakes.
Indicates that the engine was stopped with the
shift lever not in P
A buzzer also sounds.
Shift the shift lever to P.
Indicates that the engine was stopped while driv-
ing
A buzzer also sounds.
Stop the vehicle in a safe place such as the
shoulder of a road.
Color display only
(If equipped)
Indicates that your vehicle is nearing the vehicle
ahead (in vehicle-to-vehicle distance mode)
A buzzer also sounds.
Slow the vehicle by applying the brakes.
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Page 578 of 712

5788-2. Steps to take in an emergency
HIGHLANDER_U (OM48E98U)
Color display only
Indicates that the engine coolant temperature is
too highA buzzer also sounds.
P. 626
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 579 of 712

5798-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48E98U)
(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 that the automatic transmission fluid
temperature is too high
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
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Page 580 of 712

5808-2. Steps to take in an emergency
HIGHLANDER_U (OM48E98U)
(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
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Page 585 of 712

5858-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48E98U)
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.
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(Displayed alternately)
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(Displayed alternately)
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Page 586 of 712

5868-2. Steps to take in an emergency
HIGHLANDER_U (OM48E98U)
Once3 times
The driver’s door was opened
and closed while the electronic
key was not in the vehicle, the
shift lever was in P and the
engine switch was not turned
off.
Turn the engine switch off.
Bring the electronic key
back into the vehicle.
The electronic key was carried
outside the vehicle and a door
other than the driver’s door was
opened and closed while the
engine switch was in a mode
other than off.
Bring the electronic key
back into the vehicle.
Once
The electronic key is not
detected when an attempt is
made to start the engine.
Start the engine with the
electronic key present.
9
times
An attempt was made to drive
when the electronic key was not
inside the vehicle.
Confirm that the elec-
tronic key is inside the
vehicle.
Contin-
uous
An attempt was made to lock
the doors using the smart key
system while the electronic key
was still inside the vehicle.
Retrieve the electronic key
from the vehicle and lock
the doors again.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
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(Flashes)
(Flashes)
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Page 587 of 712
5878-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48E98U)
OnceContin-
uous
An attempt was made to lock
either front door by opening a
door and putting the inside lock
button into the lock position,
then closing the door with the
electronic key still inside the
vehicle.
Retrieve the electronic key
from the vehicle and lock
the doors again.
Once
The electronic key has a low
battery.
Replace the electronic key
battery. ( P. 532)
Once
The steering lock could not be
released within 3 seconds of
the engine switch being
pressed.
Press the engine switch
while depressing the brake
pedal and moving the
steering wheel left and
right.
Once
Indicates a malfunction in the
smart key system
Have the vehicle inspected
by your Toyota dealer.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
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Page 588 of 712

5888-2. Steps to take in an emergency
HIGHLANDER_U (OM48E98U)
Once
• When the doors wereunlocked with the mechanical
key and then the engine
switch was pressed, the elec-
tronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle
even after the engine switch
was pressed two consecu-
tive times.
Touch the electronic key to
the engine switch while
depressing the brake
pedal.
Once
Monochrome display
Color display
During a engine starting proce-
dure in the event that the elec-
tronic key was not functioning
properly ( P. 618), the engine
switch was touched with the
electronic key.
Press the engine switch
within 10 seconds of the
buzzer sounding.
Monochrome display
Color display
Indicates that:
• With the engine switch off,
the doors were unlocked and
then the driver’s door was
opened and closed
• The engine switch was turned to ACCESSORY mode with-
out starting the engine
• The shift lever was shifted to P from another position with
the engine switch in ON
mode.
Press the engine switch
while depressing the brake
pedal.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
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