2022 TOYOTA BZ4X BATTERY

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8-2. Steps to take in an emergency
When trouble arises
equipped)
Follow the following correction methods.
• Check the voltage of the battery
• Remove any dirt or foreign matter from the front/rear side radar sensors
■If “System Stopped Front Camera
Low Visibility See Owner’s Manual” is displayed
Indicates one of the following systems is
disabled.
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam) (if
equipped)
●AHS (Adaptive High-beam System) (if
equipped)
●Dynamic radar cruise control
●Speed limiter (if equipped)
●RSA (Road Sign Assist)
Follow the following correction methods.
• Using the windshield wipers, remove the dirt or foreign matter from the windshield.
• Using the air conditioning system, defog the windshield.
• Close the hood, remove any stickers, etc. to clear the obstruction in front of
the front camera.
■If “System Stopped Front Camera Out of Temp. Range Wait until Nor-mal Temperature” is displayed
Indicates one of the following systems is disabled.
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam) (if equipped)
●AHS (Adaptive High-beam System) (if equipped)
●Dynamic radar cruise control
●Speed limiter (if equipped)
●RSA (Road Sign Assist)
Follow the following correction methods.
• If the front camera is hot, such as after the vehicle is parked in the sun, use
the air conditioning system to decrease the temperature around the front camera
• If a sunshade was used when the vehicle was parked, depending on its
type, the sunlight reflected from the surface of the sunshade may cause the temperature of the front camera to
become excessively high
• If the front camera is cold, such after
the vehicle is parked in an extremely cold environment, use the air condi-tioning system to increase the tem-
perature around the front camera
■If “System Stopped Front Radar Sensor Blocked Clean Radar Sen-sor” is displayed
Indicates one of the following systems is disabled.
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam) (if equipped)
●AHS (Adaptive High-beam System) (if equipped)
●Dynamic radar cruise control
●Speed limiter (if equipped)
●RSA (Road Sign Assist)
Follow the following correction methods.
• Check if there is any foreign matter attached to the radar sensor or radar
sensor cover and clean them if neces- sary ( P.277)
• This message may be displayed when driving in an open area with few nearby vehicles or structures, such as
a desert, grasslands, suburbs, etc.
The message may be cleared by driving
the vehicle in an area with structures,

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8-2. Steps to take in an emergency
When trouble arises
■If a message that indicates the
need for visiting any authorized Toyota retailer or Toyota authorized repairer, or any rel iable repairer is
displayed
The system or part shown on the multi- information display is malfunctioning.
Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer immediately.
■If a message that indicates the need for the rotary shifter operation is displayed
To prevent the rotary shifter from being operated incorrectly or the vehicle from moving unexpectedly, a message that
requires shifting the shift position may be displayed on the multi-information display. In that case, follow the instruc-
tion of the message and shift the shift position.
■If a message that indicates the need for referring to Owner’s Man-
ual is displayed
●If any of the following messages are
shown on the multi-information dis- play, follow the instructions.• “Battery Low” ( P.544)
• “Check Charging System Close Charging Port Lid” ( P.160) • “Charging system malfunction”
( P.160) • “Charging stopped High energy use” ( P.160)
●If any of the following messages are shown on the multi-information dis-
play, it may indicate a malfunction. Have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer immediately.• “Entry & Start System Malfunction”
• “Traction battery system malfunction” • “Accelerator system malfunction”• “Plug-in Charging System Malfunc-
tion” • “EV system malfunction”• “Shift System Malfunction Apply Park-
ing Brake Securely When Parking See
Owner’s Manual”
• “Shift System Malfunction See Owner’s Manual”• “Shift System Malfunction Stop in a
Safe Place See Owner’s Manual” • “P Switch Malfunction Apply Parking Brake Securely When Parking See
Owner’s Manual” • “Shift System Unavailable Apply Park-ing Brake Securely When Parking See
Owner’s Manual” • “Battery Low Shifting Unavailable See Owner’s Manual”
●If any of the following messages are shown on the multi-information dis-
play, it may indicate a malfunction. Immediately stop the vehicle and con-tact any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer.• “Braking Power Low”
NOTICE
■If “High Power Consumption Power to Climate Temporarily Limited” is displayed frequently
There is a possible malfunction relat- ing to the charging system or the 12-volt battery may be deteriorating.
Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■If “Battery Low” is displayed fre-
quently
The 12-volt battery may have deterio- rated. As the battery may discharge in
this state when left unattended, have the battery inspected by any autho-rized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer.

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8-2. Steps to take in an emergency
Stop the vehicle in a safe place
NOTICE
■If “Maintenance Reqd. For Trac- tion Battery At Your Dealer” is
shown
The traction battery is scheduled to be inspected or replaced. Have the
vehicle inspected by any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer
immediately.
●Continuing to drive the vehicle with- out having the traction battery
inspected will cause the EV system not to start.
●If the EV system does not start, contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immediately.
If you have a flat tire
Your vehicle is not equipped
with a spare tire, but instead is
equipped with an emergency
tire puncture repair kit.
A puncture caused by a nail or
screw passing through the tire
tread can be repaired tempo-
rarily using the emergency tire
puncture repair kit.
(The kit contains a bottle of
sealant. The sealant can be
used only once to temporarily
repair one tire without remov-
ing the nail or screw from the
tire.) Depending on the dam-
age condition of the flat tire, it
may not be able to repaired
with the emergency tire punc-
ture repair kit.
After temporarily repairing the
tire with the kit, have the tire
repaired or replaced by any
authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair, which could result in an accident.
Before repairing the vehicle

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8-2. Steps to take in an emergency
When trouble arises
One of the following may be the
cause of the problem:
 The charging cable may be con-
nected to the vehicle. ( P.118)
 The electronic key may not be
functioning properly.* ( P.542)
 The traction battery may be com-
pletely discharged. Charge the
traction battery. ( P. 1 1 4 )
 There may be a malfunction in
the immobilizer system.* ( P.75)
 There may be a malfunction in
the shift control system.*
( P.245, 527)
 On some models: There may be
a malfunction in the steering lock
NOTICE
■Precautions for the emergency tire puncture repair kit
●The repair kit power source should be 12 V DC suitable for vehicle use. Do not connect the repair kit to any
other source.
●Place the repair kit in a storage to
prevent it from being exposed to dirt or water.
●Store the repair kit in the luggage compartment out of reach of chil-dren.
●Do not disassemble or modify the repair kit. Do not subject parts such
as the air pressure indicator to impacts. This may cause a malfunc-tion.
■To avoid damage to the tire pres-sure warning valves and trans-
mitters
When a tire is repaired with liquid sealants, the tire pressure warning
valve and transmitter may not operate properly. If a liquid sealant is used, contact any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer or other qualified ser-vice shop as soon as possible. After
use of liquid sealant, make sure to replace the tire pressure warning valve and transmitter when repairing
or replacing the tire. ( P.479)
If the EV system will not
start
Reasons for the EV system not
starting vary depending on the
situation. Check the following
and perform the appropriate
procedure:
Contact any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable
repairer if the problem cannot
be repaired, or if repair proce-
dures are unknown.
The EV system will not start
even though the correct
starting procedure is being
followed. ( P. 2 4 3 )

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8-2. Steps to take in an emergency
system.
 The EV system may be malfunc-
tioning due to an electrical prob-
lem such as electronic key
battery depletion or a blown fuse.
However, depending on the type
of malfunction, an interim mea-
sure is available to start the EV
system. ( P.540)
 There is a possibility that the
temperature of the traction bat-
tery is extremely low (approxi-
mately below -30°C [-22°F]).
( P.87, 244)
*: It may not be possible to shift the shift
position from P.
One of the following may be the
cause of the problem:
 The 12-volt battery may be dis-
charged. ( P.544)
 The 12-volt battery terminal con-
nections may be loose or cor-
roded. ( P.473)
One of the following may be the
cause of the problem:
 One or both of the 12-volt battery
terminals may be disconnected.
( P.473)
 The 12-volt battery may be dis-
charged. ( P.544)
Contact any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer if the problem cannot
be repaired, or if repair procedures are
unknown.
When the EV system does not
start, the following steps can be
used as an interim measure to start
the EV system if the power switch
is functioning normally.
Do not use this starting procedure
except in cases of emergency.
1 Set the parking brake.
2 Turn the power switch to ACC.*
3Press and hold the power switch
for about 15 seconds while
depressing the brake pedal
firmly.
Even if the EV system can be
started using the above steps, the
system may be malfunctioning.
Have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
*: Setting can be customized. ( P.567)
The interior lights and head-
lights are dim, or the horn
does not sound or sounds at
a low volume.
The interior lights and head-
lights do not turn on, or the
horn does not sound.
Emergency start function

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8-2. Steps to take in an emergency
●Do not apply excessive force to the
ring part
●Do not pull horizontally too much
Use only in an emergency.
If the problem persists, have the vehicle
inspected any authorized Toyota retailer
or Toyota authorized repairer, or any reli-
able repairer immediately if this occurs.
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated at any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer. If it is off, turn the func-tion on.
●Check if battery-saving mode is set. If it is set, cancel the function. ( P.204)
Use the mechanical key (P.184)
If the electronic key
does not operate prop-
erly
If communication between the
electronic key and vehicle is
interrupted ( P.204) or the
electronic key cannot be used
because the battery is
depleted, the smart entry &
start system and wireless
remote control cannot be
used. In such cases, the doors
can be opened and the EV sys-
tem can be started by follow-
ing the procedure below.
NOTICE
■In case of a smart entry & start system malfunction or other key-related problems
Take your vehicle with all the elec- tronic keys provided with your vehicle, to any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer.
Locking and unlocking the
doors

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8-2. Steps to take in an emergency
■Stopping the EV system
Set the parking brake, shift the shift
position to P and press the power switch as you normally do when stopping the EV system.
■Electronic key battery
As the above procedure is a temporary measure, it is recommended that the electronic key battery be replaced
immediately when the battery is depleted. ( P.499)
■Alarm (if equipped)
Using the mechanical key to lock the
doors will not set the alarm system. If a door is unlocked using the mechani-cal key when the alarm system is set,
the alarm may be triggered. ( P. 7 7 )
■Changing power switch modes
Release the brake pedal and press the power switch in step 3 above.
The EV system does not start and modes will be changed each time the switch is pressed. ( P.246)
If you have a set of jumper (or
booster) cables and a second vehi-
cle with a 12-volt battery, you can
jump start your vehicle by following
the steps below.
1 Confirm that the electronic key
is being carried.
When connecting the jumper (or
booster) cables, depending on the situ- ation, the alarm may activate and the doors may lock. ( P.78)
2Open the hood (P.467).
3 Open the positive (+) battery ter-
minal cover.
While pressing on the claw, open the
If the 12-volt batter y is
discharged
The following procedures may
be used to start the EV system
if the vehicle’s 12-volt battery
is discharged.
You can also call any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer.
Restarting the EV system

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8-2. Steps to take in an emergency
4Connect a positive jumper cable clamp to on your vehicle and con-
nect the clamp on the other end of the positive cable to on th e sec-
ond vehicle. Then, connect a negative cable clamp to on the se cond
vehicle and connect the clamp at the other end of the negative cable to
.
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the batte ry and any
moving parts as shown in the illustration
5 Start the engine of the second
vehicle. Increase the engine
speed slightly and maintain at
that level for approximately 5
minutes to recharge the 12-volt
battery of your vehicle.
6 Open and close any of the doors
of your vehicle with the power
switch OFF.
7 Maintain the engine speed of
the second vehicle and start the
EV system of your vehicle by
turning the power switch to ON.
8 Make sure the “READY” indica-
tor comes on. If the indicator
light does not come on, contact
any authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
9 Once the EV system has
started, remove the jumper
cables in the exact reverse