warning light TOYOTA BZ4X 2023 Manual Online

4827-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_enbe displayed on the multi-informa-
tion display.
“Setting Pressure Wait a
Moment”
9 Press or of the meter
control switches and select
“OK” and then press “OK”.
The tire pressure warning light will
slowly blink 3 times and a message
indicating that ID code registration
is being performed will be displayed
on the multi-inform ation display.
Wheel set changing will be can-
celed and registration will begin.
When registration is being per-
formed, the tire pressure warning
light will blink for approximately 1
minute then illumi nate and “--” will
be displayed for the inflation pres-
sure of each tire on the multi-infor-
mation display.
“Setting Pressure Wait a
Moment” 10Drive straight (with occa-
sional left and right turns) at
approximately 25 mph (40
km/h) or more for approxi-
mately 10 to 30 minutes.
When registration is complete, the
tire pressure warn ing light will turn
off and a message indicating that
registration has been completed
will be displayed on the multi-infor-
mation display.
Registration may take longer than
normal to complete if the vehicle
speed cannot be maintained at
approximately 25 mph (40 km/h) or
more. If registration cannot be com-
pleted after driving for 1 hour or
more, perform the registration pro-
cedure again from the beginning.
■When registering ID codes
●Normally, wheel position registra-
tion can be completed within
approximately 30 minutes.
●ID code registrati on is performed
while driving at a vehicle speed of
approximately 25 mph (40 km/h)
or more.
●ID codes can be registered by
yourself, but depending on the
driving conditions and driving
environment, registration may
take some time to complete.
●When using a wheel set which all
of the ID codes have already been
registered, the wheel set can be
changed in a short amount of
time.
■If ID codes are not registered
properly
●In the following situations, ID code
registration may take longer than
usual to be completed or may not
be possible.
• When the vehicle has not been parked for approximately 15 min-
utes or more before being driven
• Vehicle is not dr iven at approxi-
mately 25 mph (40 km/h) or more

4837-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_en
7
Maintenance and care
• Vehicle is driven on unpaved roads
• Vehicle is driven near other vehi-
cles and system cannot recog-
nize tire pressure warning valves
and transmitters of your vehicle
over those of other vehicles
• Wheel with tire p ressure warning
valve and transmitter installed is
inside or near the vehicle
●If the vehicle is reversed during
registration, all da ta collected until
then will be cleared. Perform driv-
ing again.
●If registration doe s not complete
after driving for 1 hour or more,
perform the ID c ode registration
procedure again from the begin-
ning.
●If the tire pressure warning light
does not blink 3 times when start-
ing ID code registration proce-
dure, the procedure may not have
started. Perform the procedure
again from the beginning.
●If ID codes cannot be registered
even when perfor ming the above
procedure, contact your Toyota
dealer.
To cancel ID code registration
after it has been started, select
“Register New Valve / ID” again
on the multi-information display.
If ID code registration has been
canceled, the tire pressure
warning light will turn off.
If the warning light does not turn
off, ID code registration may not
have been cancelled correctly.
To cancel registration, select
“Register New Valve / ID” again
on the multi-information display. Your vehicle is equipped with a
tire pressure warning system
with a function to register two
sets of ID codes. This allows for
registration of a second wheel
set, for example a winter set.

The wheel set can be
changed only if a second
wheel set has been registered
to the system. If a second
wheel set has not been regis-
tered, message will be dis-
played and it will not be
possible to change to the
selected wheel set.
ID codes can be registered by
yourself.
 Only a change between both
registered wheel set is possi-
ble, mixing between these
wheel sets is not supported.
 While registering ID codes, it
may not be possible to
change between wheel sets
normally. Cancel registration
before changing between
wheel sets.
■How to change between
wheel sets
1 Install the desired wheel set.
2 Start the EV system.
( P.231)
The ID code selecting procedure
cannot be performed while the
vehicle is moving.
Canceling ID code regis-
tration
Selecting wheel set

4847-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_en
3Press or of the meter
control switches and select
.
4 Press or of the meter
control switches and select
“Vehicle Settings”, and then
press and hold the “OK”.
5 Press or of the meter
control switches and select
“TPWS Setting”, and then
press “OK”.
6 Press or of the meter
control switches and select
“Tire Set Switching”, and then
press “OK”.
7 Press or of the meter
control switches and select
“Register Valve/ID” and then
press “OK”.
8 Press or of the meter
control switches and wheel
set (“Tire Set 1” or “Tire Set
2”) is selected.
9 Press or of the meter
control switches and select
“OK” and then press “OK”.
The tire pressure warning
light will slowly blink 3 times,
a message indicating that
change is occurring will be
displayed, and the wheel set
change will begin.Wheel set change will begin and
the tire pressure warning light will
blink for 1 minute and then illumi-
nate. Also, while the change is
being performed, “--” will be dis-
played for the tire inflation pressure
of each tire on the multi-information
display.
After approximatel y 2 minutes, the
wheel set change will complete, the
tire pressure warn ing light will turn
off, and a completion message will
be displayed on the multi-informa-
tion display.
If changing does not complete after
approximately 4 minutes, a mes-
sage indicating that the change
could not be completed will be dis-
played.
Check which wheel set is installed
and perform the change procedure
again from the beginning.
“Setting Pressure Wait a
Moment”
10If the specified tire inflation pressure of the wheel set
installed differs from that of
the previous set, it will be
necessary to perform the tire
inflation pressure setting pro-
cedure of the tire pressure
warning system.
If the specified tire inflation pres-
sure is the same, it will not be nec-
essary to per form the tire inflation
pressure setting procedure.

4877-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_en
7
Maintenance and care
1 Chock the tires. 2
Slightly loosen the wheel
bolts (one turn).
3 Turn the part of the jack by
hand and place the top of the
jack in the position shown in
the illustration.
WARNING
●Do not raise the vehicle while
someone is inside.
●When raising the vehicle, do not
put an object on or under the
jack.
●Do not raise the vehicle to a
height greater than that required
to replace the tire.
●Use a jack stand if it is neces-
sary to get under the vehicle.
●When lowering the vehicle,
make sure that there is no-one
near the vehicle. If there are
people nearby, warn them
vocally before lowering.
Replacing a flat tire
TireWheel chock
positions
Front left-hand
Behind the rear
right-hand side
tire
Front right-handBehind the rear
left-hand side tire
Rear left-hand
In front of the
front right-hand
side tire
Rear right-hand
In front of the
front left-hand
side tire
TireWheel chock positions

5007-3. Do-it-yourself maintenance
Owners Manual_USA_M42C01_en
Blown fuse
Type C
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure
that the tab is installed securely.
●If the lights do n ot turn on even
after the fuse has been replaced,
a bulb may need replacement.
●If the replaced fuse blows again,
have the vehicle inspected Toyota
dealer.
■If there is an overload in a cir-
cuit
The fuses are designed to blow, pro-
tecting the wiring harness from
damage.
■When replacing an electronic
component, such as a lights,
etc.
Toyota recommends that you use
genuine Toyota products designed
for this vehicle. Because certain
bulbs are connected to circuits
designed to prevent overload, non-
genuine parts or parts not designed
for this vehicle may be unusable.
WARNING
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota
fuse or equivalent.
Never replace a fuse with a
wire, even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical over-
load determined and repaired
Toyota dealer as soon as possi-
ble.

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

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.