2023 TOYOTA SIENNA HYBRID display

4617-2. Steps to take in an emergency
7
When trouble arises
The following may indicate a
problem with your transmission.
Contact your Toyota dealer or
commercial towing service
before towing.
The hybrid 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 (2WD models)
Release the parking brake.
Turn automatic mode off.
( P.247)
From the front (AWD models)
Use a towing dolly under the
rear wheels.
NOTICE
■To prevent damage to the
vehicle when towing using a
wheel-lift type truck
When raising the vehicle, ensure
adequate ground clearance for
towing at the opposite end of the
raised vehicle. Without adequate
clearance, the vehicle could be
damaged while being towed.
■To prevent damage to the
vehicle when towing with a
sling-type truck
Do not tow with a sling-type truck,
either from the front or rear.
■Recreational towing (behind
motor home, etc.)
Never dinghy tow your vehicle to
prevent causing serious damage
to the AWD system and transmis-
sion. ( P.232)
Situations when it is nec-
essary to contact dealers
before towing
Towing with a wheel-lift
type truck

4647-2. Steps to take in an emergency
■Brake system warning light (warning buzzer)
■Brake system warning light
■Charging system warning light*
*: This light illuminates on the mu lti-information display with a message.
If a warning light turns on or a warning 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
(U.S.A.)
(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
contact your Toyota dealer. Continuing to drive
the vehicle may be dangerous.
Warning lightDetails/Actions
(Yellow)
Indicates a malfunction in:
The parking brake system;
 The regenerative braking system; or
 The electronically controlled brake system
 Have the vehicle insp ected by your Toyota
dealer immediately.
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging sys-
tem
 Immediately stop the vehicle in a safe place and
contact your Toyota dealer.

4657-2. Steps to take in an emergency
7
When trouble arises
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Hybrid system overheat warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Malfunction indicator lamp
Warning lightDetails/Actions
Indicates that the engine coolant temperature is too
high
 Immediately stop the v ehicle in a safe place.
Handling method ( P.509)
Warning lightDetails/Actions
Indicates that the hybri d system has overheated
 Stop the vehicle in a safe place.
Handling method ( P.509)
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and
contact your Toyota dealer.
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The hybrid system;
 The electronic engi ne control system;
 The electronic throttle control system; or
 The emission control system (if equipped)
 Have the vehicle insp ected by your Toyota
dealer immediately.

4677-2. Steps to take in an emergency
7
When trouble arises
■PCS warning light (warning buzzer)
■LTA indicator (warning buzzer)
■Intuitive parking assist OFF indicator (warning buzzer)
Warning lightDetails/Actions
(Flashes or illumi-
nates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-
Collision System).
 Have the vehicle insp ected by your Toyota
dealer immediately.
When a buzzer does not sound:
The PCS (Pre-Collision System) has become tempo-
rarily unavailable, correctiv e action may be necessary.
 Follow the instructions d isplayed on the multi-
information display. ( P.268, 478)
If the PCS (Pre-Collision S ystem) or VSC (Vehicle Sta-
bility Control) syst em is disabled, the PCS warning
light will illuminate.
 P.277
Warning lightDetails/Actions
(Orange)
Indicates a malfunction in the LTA (Lane Tracing
Assist)
Follow the instructions d isplayed on the multi-
information display. ( P.288)
Warning lightDetails/Actions
(If equipped)
When a buzzer sounds:
Indicates a malfunction in t he Intuitive parking assist
function
 Have the vehicle insp ected by your Toyota
dealer immediately.
When a buzzer does not sound:
Indicates that the system i s temporarily unavailable,
possibly due to a sensor bei ng dirty or covered with
ice, etc.
 Follow the instructions d isplayed on the multi-
information display. ( P.314, 475)

4687-2. Steps to take in an emergency
■RCD OFF indicator (warning buzzer)
■PKSB OFF indicator (warning buzzer)
■RCTA OFF indicator (warning buzzer)
Warning lightDetails/Actions
(If equipped)
When a buzzer sounds:
Indicates a malfunction in the RCD (Rear Camera
Detection) function
 Have the vehicle insp ected by your Toyota
dealer immediately.
When a buzzer does not sound:
Indicates that the function temporarily cannot be used
due to the camera being dirty, etc.
 Follow the instructions d isplayed on the multi-
information display. ( P.322, 475)
Warning lightDetails/Actions
(If equipped)
When a buzzer sounds:
Indicates a malfun ction in the PKSB ( Parking Support
Brake) system
 Have the vehicle insp ected by your Toyota
dealer immediately.
When a buzzer does not sound:
Indicates that the system i s temporarily unavailable,
possibly due to a sensor bei ng dirty or covered with
ice, etc.
 Follow the instructions d isplayed on the multi-
information display. ( P.328, 475)
Warning lightDetails/Actions
(If equipped)
When a buzzer sounds:
Indicates a malfunction in t he RCTA (Rear Cross Traf-
fic Alert) function
 Have the vehicle insp ected by your Toyota
dealer immediately.
When a buzzer does not sound:
Indicates that the rear bumper around the radar sen-
sor is covered with dirt, etc. (P.304)
 Follow the instructions d isplayed on the multi-
information display. ( P.304, 475)

4697-2. Steps to take in an emergency
7
When trouble arises
■Slip indicator
■Brake Override System/Drive-Start Control/PKSB (if
equipped) warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Brake hold operated indicator (warning buzzer)
Warning lightDetails/Actions
Indicates a malfunction in:
The VSC/Trailer Sway Control system;
 The TRAC system; or
 The hill-start assist control system
 Have the vehicle insp ected by your Toyota
dealer immediately.
Warning lightDetails/Actions
When a buzzer sounds:
 Brake Override System is malfunctioning;
 Drive-Start Control is operating;
 Drive-Start Control i s malfunctioning; or
 Parking Support Brake function (for static objects) (if
equipped) is operating
 Follow the instructions d isplayed on the multi-
information 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 insp ected by your Toyota
dealer immediately.

4757-2. Steps to take in an emergency
7
When trouble arises
If a warning message
is displayed
The multi-information dis-
play shows warnings of sys-
tem malfunctions,
incorrectly performed oper-
ations, and messages that
indicate a need for mainte-
nance. When a message is
shown, perform the correc-
tion procedure appropriate
to the message.
Multi-information display
Follow the instructions of the
message on the multi-information
display.
If any of the warning messages
are shown again after the follow-
ing actions have been performed,
contact your To yota dealer.
A

4767-2. Steps to take in an emergency
The warning lights and warning buzzers operate as follows depend-
ing on the content of the message. If a message indicates the need
for inspection by a dealer, have the vehicle inspected by your Toyota
dealer immediately.
*: A buzzer sounds the first time a message is show n on the multi-informa-
tion display.
■Warning messages
The warning messages explained
below may differ from the actual
messages according to operation
conditions and vehicle specifica-
tions.
■Warning buzzer
In some cases, the buzzer may not
be heard due to being in a noisy
location or audio sound.
■If a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the
multi-information di splay is malfunc-
tioning. Have the vehicle inspected
by your Toyota dea ler immediately.
■If a message that indicates the
need for referring to Owner’s
Manual is displayed
●If “Engine Coolant Temp High
Stop in a Safe Place See Owner’s
Manual” is shown, follow the
Messages and warnings
Warning lightWarning buzzer*Warning
Sounds
• Indicates an import ant situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed
• Indicates a situat ion, such as when
damage to the vehicle or danger may
result
Comes on or flashesSounds
Indicates an importan t situation, such as
when the systems shown on the multi-
information display may be malfunction-
ing
Does not sound
• Indicates a condition, such as malfunc- tion of electrical components, their con-
dition, or indicat es the need for
maintenance
• Indicates a situatio n, such as when an
operation has been performed incor-
rectly, or indicates how to perform an
operation correctly