light TOYOTA BZ4X 2023 Owners Manual

5027-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_en
■LED lights
The lights consist of a number of
LEDs. If any of the LEDs burn out,
take your vehicle to your Toyota
dealer to have the light replaced.
■Condensation build-up on the
inside of the lens
Temporary condensation build-up
on the inside of the headlight lens
does not indicate a malfunction.
Contact your Toyota dealer for more
information in the following situa-
tions:
●Large drops of water have built up
on the inside of the lens.
●Water has built up inside the
headlight.
■When replacing an electronic
component, such as a lights,
etc.
 P. 5 0 0
Light bulbs
If any exterior light does not
turn on, have it replaced by
your Toyota dealer.

503
Owners Manual_USA_M42C01_en
8
8
When trouble arises
When trouble arises
8-1. Essential informationEmergency flashers .... 504
If your vehicle has to be stopped in an emergency.................................. 505
If the vehicle is submerged or water on the road is ris-
ing ............................. 506
8-2. Steps to take in an emer- gency
If your vehicle needs to be towed......................... 507
If you think something is wrong ........................ 511
If a warning light turns on or a warning buzzer sounds
.................................. 513
If a warning message is dis- played........................ 522
If you have a flat tire.... 527
If the EV syst em will not
start ........................... 537
If you lose your keys ... 539
If the electronic key does not operate properly .. 539
If the 12-volt battery is dis- charged ..................... 541
If your vehicle overheats .................................. 545
If the vehicle becomes stuck .................................. 547

5048-1. Essential information
Owners Manual_USA_M42C01_en
8-1.Essential information
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■Emergency flashers
●If the emergency flashers are
used for a long time while the EV
system is not operating (while the
“READY” indicator is not illumi-
nated), the 12-volt battery may
discharge.
●If any of the SRS airbags deploy
(inflate) or in the event of a strong
rear impact, the emergency flash-
ers will turn on automatically.
The emergency flashers will turn
off automatically after operating
for approximately 20 minutes. To
manually turn t he emergency
flashers off, press the switch
twice. (The emergency flashers
may not turn on automatically
depending on the force of the
impact and conditions of the colli- sion.)
Emergency flashers
The emergency flashers are
used to warn other drivers
when the vehicle has to be
stopped in the road due to a
breakdown, etc.
Operating instructions

5138-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
■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 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
(U.S.A.) or
(Canada) (Red)
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.
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.

5148-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
■SRS warning light (warning buzzer)
■ABS warning light
■Inappropriate pedal operation warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system; or
 The seat belt pretensioner system
 Have the vehicle inspecte d by your Toyota dealer
immediately.
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
When a buzzer sounds:
Indicates a malfunction in:
 The Brake Override System;
 The Drive-Start Control
 Have the vehicle inspecte d by your Toyota dealer
immediately.
Indicates that the shift position was changed and Drive-
Start Control was operated while depressing the accelerator
pedal.
 Momentarily release the accelerator pedal.
When a buzzer does not sound:
Indicates that the accelerator and brake pedals are being
depressed simultaneously, and the Brake Override System
is operating.
 Release the accelerator pedal and depress the brake
pedal.

5158-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
■Electric power steering system warning light (warning
buzzer)
■Traction battery charge warning light
■Driver’s and front passenger’s seat belt reminder light (warn-
ing buzzer*)
*: Driver’s and front passenger’s seat belt warning buzzer:
The driver’s and front passenger’s seat belt warning buzzer sou nds to alert
the driver and front passenger that his or her seat belt is not fastened. If the
seat belt is unfastened, the buz zer sounds intermittently for a certain period
of time after the vehicle reaches a certain speed.
Warning lightDetails/Actions
(Red)
or
(Yellow)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
 Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
Indicates that the remaining charge of the traction battery is
low and charging is required
When the outside temperature is low, this light may turn on
earlier than usual to urge the driver to charge the traction
battery early.
 Charge the traction battery. ( P.98)
Warning lightDetails/Actions
Warns the driver and/or front passenger to fasten their seat
belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.

5168-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
■Rear passengers’ seat belt reminder lights (warning buzzer*)
*: Rear passengers’ seat belt warning buzzer:
The rear passengers’ seat belt warning buzzer sounds to alert t he rear pas-
senger that his or he r seat belt is not fastened. If the seat b elt is unfas-
tened, the buzzer sounds intermittently for a certain period of time after the
vehicle reaches a certain speed.
■Tire pressure warning light
■LDA indicator (warning buzzer)
■LTA indicator (warning buzzer)
Warning lightDetails/Actions
Warns the rear passengers to fasten their seat belts
 Fasten the seat belt.
Warning lightDetails/Actions
When the light comes on after b linking for approximately 1
minute (a buzzer does not sounds):
Malfunction in the tire pressure warning system
 Have the system checked by your Toyota dealer.
When the light comes on (a buzzer sounds):
Low tire inflation pressu re from natural causes
 After the temperature of the tires has lowered suffi-
ciently, check the inflation pressure of each tire and
adjust them to the specified level.( P.513)
Low tire inflation pres sure from flat tire
 Immediately stop the vehic le in a safe place and per-
form the necessary actions ( P.519)
Warning lightDetails/Actions
(Orange)
Indicates a malfunction in the LDA (Lane Departure Alert).
 Follow the instructions dis played on the multi-infor-
mation display.
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.

5178-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
■Driving assist information indicator
■Intuitive parking assist OFF indicator (warning buzzer)
■Cruise control indicator (warning buzzer)
Warning lightDetails/Actions
Indicates of the following systems is malfunctioning.
 PCS (Pre-Collis ion System)
 LDA (Lane Departure Alert)
 Follow the instructions dis played on the multi-infor-
mation display.
Indicates one of the following systems is malfunctioning or
disabled.
 PKSB (Parking Support Brake) (if equipped)
 RCD (Rear Camera Det ection) (if equipped)
 BSM (Blind Spot Monitor) (if equipped)
 SEA (Safe Exit Assist) (if equipped)
 RCTA (Rear Cross Traffic Alert) (if equipped)
 Follow the instructions dis played on the multi-infor-
mation display.
Warning lightDetails/Actions
(Flashes)
(if equipped)
Indicates a malfunction in the Intuitive 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.
Warning lightDetails/Actions
(Orange)
Indicates a malfunction in t he cruise control system.
 Follow the instructions dis played on the multi-infor-
mation display.

5188-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
■Dynamic radar cruise control indicator (warning buzzer)
■PCS warning light (warning buzzer)
■Slip indicator
■Parking brake indicator
Warning lightDetails/Actions
(Orange)
Indicates a malfunction in the dynamic radar cruise control
system.
 Follow the instructions dis played on the multi-infor-
mation display.
Warning lightDetails/Actions
(Flashes or illu- minates)
Indicates a malfunction in the PCS (Pre-Collision System).
Follow the instructio ns displayed on the multi-information
display.
 Illuminates when the PCS (Pre-Collision System) or
VSC (Vehicle Stability Cont rol) system is disabled.
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.
Warning lightDetails/Actions
(U.S.A.)
(Flashes) or
(Canada)
(Flashes)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.

5198-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
■Brake hold operated indicator
■Warning buzzer
In some cases, the buzzer may not
be heard due to being in a noisy
location or audio sound.
■Front passenger detection sen-
sor, seat belt reminder and
warning buzzer
●If luggage is placed on the front
passenger seat, the front passen-
ger detection sensor may cause
the warning light to flash and the
warning buzzer to sound even if a
passenger is not sitting in the
seat.
●If a cushion is placed on the seat,
the sensor may n ot detect a pas-
senger, and the warning light may
not operate properly.
■SRS warning light
This warning light system monitors
the airbag sensor assembly, front
impact sensors, side impact sensors
(front door), side impact sensors
(front), side impact sensors (rear),
driver’s seat position sensor,
driver’s seat belt buckle switch, front
passenger occupant classification
system sensors, “AIR BAG ON”
indicator light, “AIR BAG OFF” indi-
cator light, front passenger’s seat
belt buckle switch, seat belt preten-
sioners, airbags, interconnecting
wiring and power sources. ( P.44)
■Electric power steering system
warning light (warning buzzer)
When the 12-volt battery charge
becomes insufficien t or the voltage
temporarily drops, the electric power
steering system warning light may
come on and the warning buzzer
may sound.
■When the tire pressure warning
light comes on
Inspect the tires to check if a tire is
punctured.
If a tire is punctured: P. 5 2 7
If none of the tires are punctured:
Turn the power switch off then turn it
to ON. Check if th e tire pressure
warning light com es on or blinks.
If the tire pressure warning light
blinks for approximately 1 minute
then stays on
There may be a malfunction in the
tire pressure warning system. Have
the vehicle inspected by your Toyota
dealer immediately.
If the tire pressur e warning light
comes on
1 After the temperature of the tires
has lowered sufficiently, check
the inflation pressure of each tire
and adjust them to the specified
level.
2 If the warning light does not turn
off even after several minutes
have elapsed, check that the
inflation pressure of each tire is
at the specified level and perform
the tire inflation pressure setting
procedure. ( P.483)
If the warning light d oes not turn off
even after several minutes have
elapsed since performing the tire
inflation pressure setting proce-
dure, have the vehicle inspected by
your Toyota dealer as soon as pos-
sible.
■The tire pressure warning light
may come on due to natural
causes
The tire pressure warning light may
Warning lightDetails/Actions
(Flashes)
Indicates a malfunction in the brake hold system
 Have the vehicle inspecte d by your Toyota dealer
immediately.