2023 TOYOTA BZ4X Owners Manual

5458-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises1 Stop the vehicle in a safe
place and turn off the air con-
ditioning system.
2 Leave the EV system operat-
ing and carefully lift the hood.
3 Check if the cooling fan is
operating.
If the fan is operating:
Wait until the “EV System
overheated Output power
reduced” message disap-
WARNING
■When replacing the 12-volt
battery
●When the vent plug is close to
the hold down cl amp, the bat-
tery fluid (acid) may leak.
●For information regarding bat-
tery replacement, contact your
Toyota dealer.
NOTICE
■When handling jumper cables
When connecting the jumper
cables, ensure that they do not
become entangled in the cooling
fan.
If your vehicle over-
heats
When “EV System over-
heated Output power
reduced” is shown on the
multi-information display,
your vehicle may be over-
heating.
NOTICE
■Cooling system coolant
The radiator coolant is exclusive
for radiator usage. Damage may
occur when water or any other
type of coolant is used, so never
use any other fluid. When there is
no “Toyota Genuine Traction Bat-
tery Coolant”, immediately contact
your Toyota dealer.
Correction procedures

5468-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
pears and then stop the EV
system. If the message does
not disappear, call your Toy-
ota dealer.
If the fan is not operating:
Stop the EV system immedi-
ately and call your Toyota
dealer.
4 After the EV system has
cooled down, inspect the
hoses and radiator core (radi-
ator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately cont act your Toyota
dealer.
5 The coolant level is satisfac-
tory if it is between the “MAX”
and “MIN” lines on the reser-
voir. Reservoir
“MAX” line
“MIN” line
6 If the coolant is insufficient,
replenish with “Toyota Genu-
ine Traction Battery Coolant”.
If you don’t have “Toyota Genuine
Traction Battery Coolant”, contact
your Toyota dealer.
1Remove the bolt.
2 Open the reservoir cap
Have the vehicle inspected at
the nearest your Toyota dealer.
WARNING
■To prevent an accident or
injury when inspecting under
the hood of your vehicle
Observe the following precau-
tions.
Failure to do so may result in seri-
ous injury such as burns.
●If steam is seen coming from
under the hood, do not open the
hood until the steam has sub-
sided. The motor compartment
may be very hot.

5478-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
1 Stop the EV system. Set the
parking brake and shift the
shift position to P.
2 Remove the mud, snow or
sand from around the stuck
tire.
3 Place wood, stones or some
other material under the front
wheels to help provide trac-
tion.
4 Restart the EV system
5 Shift the shift position to D or
R and release the parking
brake. Then, while exercising
caution, depress the acceler-
ator pedal.
■When it is difficult to free the
vehicle
Press to turn off TRAC.
(  P.388)
WARNING
●Keep hands and clothing (espe-
cially a tie, a scarf or a muffler)
away from the fan. Failure to do
so may cause the hands or
clothing to be caught, resulting
in serious injury.
●Do not loosen the coolant reser-
voir cap while the EV system
and radiator are hot. High tem-
perature steam or coolant could
spray out.
NOTICE
■When adding coolant
Add coolant slowly after the EV
system has cooled down suffi-
ciently. Adding cool coolant to a
hot EV system too quickly can
cause damage to the EV system.
■To prevent damage to the
cooling system
Observe the following precau-
tions:
●Avoid contaminating the coolant
with foreign matter (such as
sand or dust, etc.).
●Do not use water or any other
coolant when refilling coolant.
Also, do not use any additive
agents for the coolant.
If the vehicle becomes
stuck
Carry out the following pro-
cedures if the tires spin or
the vehicle becomes stuck
in mud, dirt or snow:
Recovering procedure

5488-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
WARNING
■When attempting to free a
stuck vehicle
If you choose to push the vehicle
back and forth to free it, make
sure the surrounding area is clear
to avoid striking other vehicles,
objects or people. The vehicle
may also lunge forward or lunge
back suddenly as it becomes free.
Use extreme caution.
■When shifting the shift posi-
tion
Be careful not to shift the shift
position with the accelerator pedal
depressed.
This may lead to unexpected
rapid acceleration of the vehicle
that may cause an accident
resulting in death or serious injury.
NOTICE
■To avoid damaging the trans-
mission and other compo-
nents
●Avoid spinning the tires and
depressing the accelerator
pedal more than necessary.
●If the vehicle remains stuck
even after these procedures are
performed, the vehicle may
require towing to be freed.

549
Owners Manual_USA_M42C01_en
9
9
Vehicle specifications
Vehicle specifications
9-1. SpecificationsMaintenance data ....... 550
Tire information ........... 556
9-2. Customization Customizable features 566
9-3. Initialization Items to initialize ......... 577

5509-1. Specifications
Owners Manual_USA_M42C01_en
9-1.Specifications
*: Unladen vehicle
■Vehicle identification num-
ber
The vehicle identification num-
ber (VIN) is the legal identifier
for your vehicle. This is the pri-
mary identification number for
your Toyota. It is used in regis-
tering the ownership of your
vehicle.
This number is on the top left of
the instrument panel. This number is also stamped
under the right-hand front seat.
Maintenance data
Dimensions and weights
Overall length184.6 in. (4690 mm)
Overall width73.2 in. (1860 mm)
Overall height*65.0 in. (1650 mm)
Wheelbase112.2 in. (2850 mm)
TreadFront63.0 in. (1600 mm)
Rear63.4 in. (1610 mm)
Vehicle capacity weigh
t (Occupants + luggage)1045 lb. (475 kg)
Seating capacity
Seating capacity5 (Front 2, Rear 3)
Vehicle identification

5519-1. Specifications
Owners Manual_USA_M42C01_en
9
Vehicle specifications
This number is also on the Certi-
fication Regulation Label.
■Motor model type and
motor number
The motor model type and the
motor number are stamped on the motor as shown.
Front electric motor (traction
motor)
Rear electric motor (traction
motor) (AWD models)
Front electric mot
or (traction motor)
Model2WD1XM
AWD1YM
Ty p ePermanent magnet synchronous motor
Maximum output2WD150 kW
AWD80 kW
Maximum torque2WD196.4 ft•lbf (266.3 N•m, 27.2 kgf•m)
AWD124.3 ft•lbf (168.5 N•m, 17.2 kgf•m)

5529-1. Specifications
Owners Manual_USA_M42C01_en
*1: 2WD models
*2: AWD models
*1: The coolant capacity is the quantity of reference.
If replacement is ne cessary, contact your Toyota dealer.
*2: 2WD models
*3: AWD models
Rear electric motor (traction motor) (AWD models)
Model1YM
Ty p ePermanent magnet synchronous motor
Maximum output80 kW
Maximum torque124.3 ft•lbf (168.5 N•m, 17.2 kgf•m)
Traction battery
Ty p eLithium-ion battery
Voltage3.7 V/cell
Capacity201 Ah*1
205 Ah*2
Quantity96 cells
Nominal voltage355.2 V
Cooling system
Capacity*16.2 qt. (5.9 L, 5.2 Imp. qt.)*2
7.8 qt. (7.4 L, 6.5 Imp. qt.)*3
Coolant type
Use either of the following:
• “Toyota Genuine Tra ction Battery Cool-
ant”
• Similar high-quality ethylene glycol- based, low electric conductivity coolant,
non-amine and non-b orate coolant with
azole additives.
Do not use plain water alone.