Page 450 of 572
4508-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
In the following situations, it is
not possible to be towed by
another vehicle using cables or
chains, as the rear wheels may
be locked due to the parking
lock. Contact your Toyota dealer
or commercial towing service.
There is a malfunction in the
shift control system. ( P.464)
There is a malfunction in the
immobilizer system. ( P.70)
There is a malfunction in the
smart key system. ( P.482)
The 12-volt battery is dis-
charged. ( P.485)
The following may indicate a
problem with your transmission.
Contact your Toyota dealer or
commercial towing service
before towing.
The fuel cell system warning
message is shown on the
multi-information display and
the vehicle does not move.
The vehicle makes an abnor-
mal sound.
From the front
Use a towing dolly under the
WARNING
Page 454 of 572

4548-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
■Hydrogen leak warning light (warning buzzer)
■Brake system warning light (warning buzzer)
■Brake system warning light (warning buzzer)
If a war ning light tur ns on or a war ning buzzer
sounds
Calmly perform the following actions if any of the warning
lights comes on or flashes. If a light comes on or flashes, but
then goes off, this does not necessarily indicate a malfunc-
tion in the system. However, if this continues to occur, have
the vehicle inspected by your Toyota dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
When a hydrogen gas leak is d etected, a buzzer sounds, a
light comes on, and a warning message is displayed on the
multi-information display.
P. 9 0
Warning lightDetails/Actions
(U.S.A.)
or
(Red)
(Canada)
Indicates that:
The brake fluid level is low; or
The brake system is malfunctioning
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. C ontinuing to drive the vehi-
cle may be dangerous.
Warning lightDetails/Actions
(Yellow)
Indicates a malfunction in:
The regenerative braking system;
The electronically contr olled brake system; or
The parking brake system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Page 455 of 572

4558-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
8
When trouble arises
■High coolant temperature warning light
■Fuel cell system overheat warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Charging system warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■SRS warning light
■Pop Up Hood warning light
Warning lightDetails/Actions
(Red)
Indicates that the coolant temperature is too high
Immediately stop the v ehicle in a safe place.
Handling method ( P.490)
Warning lightDetails/Actions
Indicates the fuel cell system has overheated
Stop the vehicle in a safe place.
Handling method ( P.490)
Warning lightDetails/Actions
Indicates a malfunction in t he vehicle’s charging system
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system;
The front passenger occupant classification system; or
The seat belt pretensioner system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
Indicates that the Pop Up Hood system has operated
The Pop Up Hood system can not be reused once it
has operated. Have it replaced by your Toyota dealer.
Indicates a malfunction in the Pop Up Hood system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Page 456 of 572

4568-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
■ABS warning light
■Electric power steering system warning light (warning
buzzer)
■PCS warning light
Warning lightDetails/Actions
(U.S.A.)
or
(Canada)
Indicates a malfunction in:
The ABS; or
The brake assist system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
(Red)
or
(Yellow)
Indicates a malfunct ion in the EPS (Electric Power Steer-
ing) system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
(Flashes or illu- minates)
When a buzzer sounds simultaneously:
Indicates a malfunct ion has occurred in the PCS (Pre-Colli-
sion System).
Have the vehicle inspecte d by your Toyota dealer
immediately.
When a buzzer does not sound:
The PCS (Pre-Collision Syst em) has become temporarily
unavailable, corrective ac tion may be necessary.
Follow the instructions dis played on the multi-infor-
mation display. ( P.217, 464)
If the PCS (Pre-Collision Syst em) or VSC (Vehicle Stability
Control) system is disabled, the PCS warning light will illu-
minate.
P.323
Page 457 of 572

4578-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
8
When trouble arises
■LTA indicator (warning buzzer)
■Intuitive parking assist OFF indicator (warning buzzer)
■PKSB OFF indicator (warning buzzer)
Warning lightDetails/Actions
(Orange)
Indicates a malfunction in t he LTA (Lane Tracing Assist)
Follow the instructions dis played on the multi-infor-
mation display. ( P.240)
Warning lightDetails/Actions
(If equipped)
Indicates a malfunction in the i ntuitive parking assist func-
tion
Have the vehicle inspecte d by your Toyota dealer
immediately.
Indicates that the system is te mporarily unavailable, possi-
bly due to a sensor being dirt y or covered with ice, etc.
Follow the instructions dis played on the multi-infor-
mation display. ( P.263)
Warning lightDetails/Actions
(If equipped)
When a buzzer sounds:
Indicates a malfun ction in the PKSB ( Parking Support
Brake) system
Have the vehicle inspecte d by your Toyota dealer
immediately.
When a buzzer does not sound:
Indicates that the system is te mporarily unavailable, possi-
bly due to a sensor being dirt y or covered with ice, etc.
Follow the instructions dis played on the multi-infor-
mation display. ( P.286)
Page 458 of 572

4588-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
■RCTA OFF indicator (warning buzzer)
■RCD OFF indicator (warning buzzer)
■Slip indicator light
Warning lightDetails/Actions
(Flashes)
(If equipped)
Indicates a malfunction in t he RCTA (Rear Cross Traffic
Alert) function
Have the vehicle inspecte d by your Toyota dealer
immediately.
Indicates that the rear bumper around the radar sensor is
covered with dirt, etc. ( P.258)
Follow the instructions dis played on the multi-infor-
mation display. ( P.273)
Warning lightDetails/Actions
(Flashes or illu-
minates)
(If equipped)
When a buzzer sounds:
Indicates a malfunction in t he RCD (Rear Camera Detec-
tion) function
Have the vehicle inspecte d by your Toyota dealer
immediately.
When a buzzer does not sound:
Indicates that the function te mporarily cannot be used due
to the camera being dirty, etc.
Follow the instructions dis played on the multi-infor-
mation display. ( P.279)
Warning lightDetails/Actions
Indicates a malfunction in:
The VSC system;
The TRAC system; or
The hill-start assist control system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Page 459 of 572

4598-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
8
When trouble arises
■Inappropriate pedal operation warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Brake hold operated indicator (warning buzzer)
■Parking brake indicator (warning buzzer)
Warning lightDetails/Actions
When a buzzer sounds:
Brake Override System is malfunctioning
Drive-Start Control is malfunctioning
Drive-Start Control is operating
PKSB (Parking Support Brake) is operating
Follow the instructions dis played on the multi-infor-
mation display.
When a buzzer does not sound:
Brake Override Syst em is operating.
Release the accelerator pedal and depress the brake
pedal.
Warning lightDetails/Actions
(Flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
(Flashes)
(U.S.A.)
or
(Flashes)
(Canada)
It is possible that the parking brake is not fully engaged or
released.
Operate the parking br ake switch once again.
This light comes on when the parking brake is not released.
If the light turns of f after the parking brake is fully released,
the system is operating normally.
Page 464 of 572

4648-2. Steps to take in an emergency
Owners Manual_USA_M62064_en
■Warning messages
The warning messages explained
below may differ from the actual
messages according to operation
conditions and vehicle specifica-
tions.
■Warning buzzer
A buzzer may sound when a mes-
sage is displayed.
In some cases, the buzzer may not
be heard due to being in a noisy
location or audio sound.
■If “FCV System Stopped Steer-
ing Power Low” is displayed
This message is displayed if the fuel
cell system is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering
wheel firmly and operate it using
more force than usual.
■If “FCV System High Temp. FCV
Power Reduced” or “FCV
Power Reduced Due to Exces-
sive Acceleration” is displayed
1 Lower the speed while check the
safety, and run the vehicle like
this for several minutes.
2 If the message goes off, the vehi-
cle can be driven as is, since it
temporarily overheated.
This message may be displayed
when driving under severe operat-
ing conditions. (For example, when
driving up a l ong steep hill.)
■If “FCV Power Significantly
Reduced” is displayed
The output power of the fuel cell
system is greatly restrained. If it is
displayed frequently, contact your
Toyota dealer.
■If “Stop Vehicle in a Safe Place
Push P Switch” is displayed
There may be a malfunction in the
fuel cell system or the shift position
may be shifted to N for a long time.
Immediately stop the vehicle and
contact your Toyota dealer.
■If “Shift is in N Release Acceler-
ator Before Shifting” is dis-
played
The accelerator pedal has been
depressed when the shift position is
in N.
Release the accelerator pedal and
shift the shift position to D or R.
■If “Press brake when vehicle is
stopped FCV system may over-
heat” is displayed
The message may be displayed
when the accelerator pedal is
If a war ning message
is displayed
The multi-information dis-
play shows warnings for
system malfunctions and
incorrectly performed oper-
ations, and messages that
indicate a need for mainte-
nance. When a message is
displayed, perform the
appropriate corrective
action for the message.
If a warning message is dis-
played again after the
appropriate actions have
been performed, contact
your Toyota dealer.
Additionally, if a warning
light comes on or flashes at
the same time that a warn-
ing message is displayed,
take the appropriate correc-
tive action for the warning
light. ( P.454)