Page 571 of 716

5718-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
*1: Brake system warning buzzer:When there is a possible problem that could affect braking performance,
the warning light will come on and a warning buzzer will sound.
*2: Parking brake engaged warning buzzer:
→P. 581
*3: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat
belt is not fastened. Once the power switch is turned to ON mode, the
buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20
km/h), the buzzer sounds once. If the seat belt is still unfastened after 24
seconds, the buzzer will sound intermittently for 6 seconds. Then, if the
seat belt is still unfastened, the buzzer will sound in a different tone for 90
more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passenger
that his or her seat belt is not fastened. The buzzer sounds once if the
vehicle reaches a speed of 12 mph (20 km/h). If the seat belt is still unfas-
tened after 24 seconds, the buzzer will sound intermittently for 6 seconds.
Then, if the seat belt is still unfastened, the buzzer will sound in a different
tone for 90 more seconds.
*4: Rear seat seat belt buzzer:The second and third passenger’s seat belt buzzer sounds to alert the sec-
ond and third passengers that his or her seat belt is not fastened. The
buzzer sounds for 6 seconds after the vehicle reaches a speed of 12 mph
(20 km/h). Then, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 24 more seconds.
Page 574 of 716

5748-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
WARNING
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Toyota
dealer. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
■ When the electric power steerin g system warning light comes on
The steering wheel may become extremely heavy.
When steering wheel operations are heavier than usual, grip the steering
wheel firmly and operate it using more force than usual.
■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light co mes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires.
If a tire is flat, change it with the spare tire and have the flat tire
repaired by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
Page 578 of 716

5788-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
Warning message and warning buzzer list
Warning messageDetails/Actions
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 hybrid system was stopped
with the shift lever not in P
A buzzer also sounds.
→ Shift the shift lever to P.
Indicates that the hybrid system was stopped
while driving
A buzzer also sounds.
→ Stop the vehicle in a safe place such as the
shoulder of a road.
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.
Indicates that the vehicle has deviated from the
lane (while the LDA [Lane Departure Alert with
steering control] system is operating)
• The lane line on the side the vehicle hasdeviated from flashes in amber.
• A buzzer also sounds.
→ Check around the vehicle and back to
inside of the lane lines.
(Flashes)
(Flashes)
(Amber)
(Flashes)
Page 581 of 716
5818-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
Indicates a malfunction in the hybrid systemA buzzer also sounds.
→ Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates that the hybrid battery (traction battery)
is low A buzzer also sounds.
→ When stopping the vehicle for a long
period of time, shift the shift lever to P. The
battery cannot be charged with the shift
lever in N.
Indicates a malfunction in the EPS (Electric
Power Steering) system
A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
Indicates that the vehicle is being driven at 3 mph (5
km/h) or more with the parking brake still engaged
A buzzer also sounds.
→ Release the parking brake.
Warning messageDetails/Actions
(Flashes)
(U.S.A.) (Canada) (Flashes)
Page 586 of 716

5868-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
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 onA 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.
Indicates a malfunction in the brake override sys-
tem
A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
Indicates that the hybrid system has overheated This 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. 631)
Indicates a malfunction in the Automatic High
Beam system
A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 587 of 716

5878-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
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.
Indicates that the TRAC (Traction Control) sys-
tem has been deactivated
→Turn the TRAC on. ( →P. 331)
(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 message 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 message has been reset.
(The indicator will not work properly unless the
message has been reset.)
→ Perform the necessary maintenance.
Please reset the message after the mainte-
nance is performed. ( →P. 498)
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.
Warning messageDetails/Actions
(Flashes)
Page 588 of 716
5888-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
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. 331)
Indicates that the pre-collision system is tempo-
rarily unavailable
→Please wait until the system returns. If the
message does not disappear, the system
may be malfunctioning. Have the vehicle
inspected by your Toyota dealer immedi-
ately.
Indicates that the pre-collision system sensor is
dirty, covered with ice, etc.
→Remove any dirt, ice, etc.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 593 of 716
5938-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
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. 539)
Once⎯
The steering lock could not be
released within 3 seconds of
the power switch being
pressed.
→Press the power 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
(Flashes)
(Flashes)
(Flashes)