2022 TOYOTA BZ4X heating

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5-2. Driving procedures
Driving
ing brake manually. (P.254)
■Turning the automatic mode
off
While the vehicle is stopped and
depressing the brake pedal, press
and hold the parking brake switch
until a buzzer sounds and message
is shown on the multi-information
display.
■Parking brake operation
●When the power switch is not in ON, the parking brake cannot be released using the parking brake switch.
●When the power switch is not in ON, automatic mode (automatic brake set-
ting and releasing) is not available.
■Parking brake automatic release function
When all of the following conditions are
met in manual mode, the parking brake can be released by depressing the accelerator pedal.
●The driver’s door is closed
●The driver is wearing the seat belt
●The shift position is in a forward driv-
ing position or reverse driving position
●The malfunction indicator lamp or brake system warning light is not illu-minated.
When depressing the accelerator pedal, depress it slowly.
If the parking brake is not released when
the accelerator pedal is depressed, release the parking brake manually.
■Parking brake automatic lock func-tion
The parking brake will be set automati- cally under the following conditions:
●The brake pedal is not depressed
●The driver’s door is open
●The driver’s seat belt is not fastened
●The shift position is in a position other
than P or N (The shift position is in P during advanced park operation.) (If
equipped)
●The malfunction indicator lamp or
brake system warning light are not illuminated
■If “Parking Brake Temporarily Unavailable” is displayed on the
multi-information display
If the parking brake is operated repeat- edly over a short period of time, the sys-
tem may restrict operation to prevent overheating. If this happens, refrain from operating the parking brake. Normal
operation will return after about 1 min- ute.
■If “Parking Brake Unavailable” is displayed on the multi-information
display
Operate the parking brake switch. If the message does not disappear after oper-
ating the switch several times, the sys- tem may be malfunctioning. Have the vehicle inspected by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■Parking brake operation sound
When the parking brake operates, a
motor sound (whirring sound) may be heard.
This does not indicate a malfunction.
■Parking brake indicator light
●Depending on the power switch mode, the parking brake indicator light will
turn on and stay on as described below:ON: Comes on until the parking brake
is released. Not in ON: Stays on for approximately 15 seconds.
●When the power switch is turned off with the parking brake set, the parking
brake indicator light will stay on for about 15 seconds.This does not indicate a malfunction.

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5-2. Driving procedures
■When the parking brake switch
malfunctions
Automatic mode (automatic brake set- ting and releasing) will be turned on
automatically.
■Parking the vehicle
 P. 2 5 4
■Parking brake engaged warning buzzer
A buzzer will sound if the vehicle is driven with the parking brake engaged. “Parking Brake ON” is displayed on the
multi-information display. (with the vehi- cle reached a speed of 5 km/h [3 mph])
■If the brake system warning light comes on
 P. 5 1 5
■Usage in winter time
 P. 2 4 1
WARNING
■When parking the vehicle
Do not leave a child in the vehicle alone. The parking brake may be released unintentionally and there is
the danger of the vehicle moving that may lead to an accident resulting in death or serious injury.
■Parking brake switch
Do not set any objects near the park-
ing brake switch. Objects may interfere with the switch and may lead the parking brake to
unexpectedly operate.
■Parking brake automatic lock function
Never use the automatic parking
brake engagement function in place of normal parking brake operation. This function is designed to reduce
the risk of a collision due to the driver forgetting to engage the parking brake. Over-reliance on this function
to park the vehicle safely may lead to an accident resulting in death or seri-ous injury. ( P.229)
NOTICE
■When parking the vehicle
Before you leave the vehicle, shift the shift position to P, set the parking
brake and make sure that the vehicle does not move.
■When the system malfunctions
Stop the vehicle in a safe place and check the warning messages.
■When the vehicle 12-volt battery is discharged
The parking brake system cannot be activated. ( P.544)
■When the parking brake cannot be released due to a malfunction
Driving the vehicle with the parking
brake set will lead to brake compo- nents overheating, which may affect braking performance and increase
brake wear.
Have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer immediately if this occurs.

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5-4. Using the driving support systems
●The accelerator pedal is depressed
●The parking brake is engaged
●2 seconds at maximum elapsed after the brake pedal is released
●Power switch is turned to OFF
■Sounds and vibrations caused by the ABS, brake assist, VSC, Trailer Sway Control, TRC and hill-start
assist control systems
●A sound may be heard from the motor
compartment when the brake pedal is depressed repeatedly, when the EV system is started or just after the vehi-
cle begins to move. This sound does not indicate that a malfunction has occurred in any of these systems.
●Any of the following conditions may occur when the above systems are
operating. None of these indicates that a malfunction has occurred.• Vibrations may be felt through the
vehicle body and steering. • A motor sound may be heard also after the vehicle comes to a stop.
■ECB operating sound
ECB operating sound may be heard in the following cases, but it does not indi-cate that a malfunction has occurred.
●Operating sound heard from the motor compartment when the brake pedal is
operated.
●Operating sound heard from the motor
compartment when one or two min- utes passed after the stop of the EV system.
■Active Cornering Assist operation
sounds and vibrations
When Active Cornering Assist is oper- ated, operation sounds and vibrations
may be generated from the brake sys- tem, but this is not a malfunction.
■EPS operation sound
When the steering wheel is operated, a
motor sound (whirring sound) may be heard. This does not indicate a malfunc-tion.
■Automatic reactivation of TRC,
Trailer Sway Control and VSC sys- tems
After turning the TRC, Trailer Sway Con-
trol and VSC systems off, the systems will be automatically re-enabled in the following situations:
●When the power switch is turned off
●If only the TRC system is turned off, the TRC will turn on when vehicle speed increases. If both the TRC and
VSC systems are turned off, auto- matic re-enabling will not occur when vehicle speed increases.
■Operating conditions of Active Cor-
nering Assist
The system operates when the following occurs.
●TRC/VSC can operate
●The driver is attempting to accelerate while turning
●The system detects that the vehicle is drifting to the outer side
●The brake pedal is released
■Reduced effectiveness of the EPS system
The effectiveness of the EPS system is
reduced to prevent the system from overheating when there is frequent steering input over an extended period
of time. The steering wheel may feel heavy as a result. Should this occur, refrain from excessive steering input or
stop the vehicle and turn the EV system off. The EPS system should return to normal within 10 minutes.
■Operating conditions of emergency
brake signal
When the following conditions are met, the emergency brake signal will operate:
●The emergency flashers are off.
●Actual vehicle speed is over 55 km/h (35 mph).
●The system judges from the vehicle deceleration that it is a sudden brak-ing operation.

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6-1. Using the air conditioning system and defogger
6-1.Using the a ir c onditioning sys te m and de fog ger
*: If equipped
Press the ALL AUTO (“ECO”)
switch
The indicator on the ALL AUTO
(“ECO”) switch illuminates, and the
automatic air conditioning system, seat
heaters* and ventilators*, and heated
steering wheel* operate in automatic
mode.
If any of the system is operated manu-
ally, the indicator turns off. However, all
other functions continue to operate in
automatic mode.
Even if ALL AUTO (“ECO”) control is
turned off, the air conditioner, seat
heater/ventilator, and steering heater
will not be turned off.
If the front window glass becomes
cloudy due to a drop in the outside air
temperature while the ALL AUTO
(“ECO”) control is operating, you can
remove the cloudiness by pressing the
AUTO switch on the air conditioner con-
trol panel.
*: If equipped
■Automatic air conditioning
system ( P.420)
The temperature can be adjusted
independently for each seat.
■Seat heaters (if equipped) and
ventilators (if equipped)
( P.429)
Heating or ventilation is automati-
cally selected according to the set
temperature of the air conditioning
system, the outside temperature,
etc.
■Heated steering wheel (if
equipped) ( P.429)
Heated steering wheel operates
automatically according to the set
temperature of the air conditioning
system, the outside temperature,
etc.
■Passenger detection functions
When a passenger is detected in the front passenger seat, the seat heater
and ventilator will operate automatically.
■Seat heater (if equipped)/ventilator (if equipped) operation
If the seat heater/ventilator switch is set
to auto, it will operate without performing the passenger detection. When the ALL AUTO (“ECO”) switch is pressed in that
state, the passenger seat heater and ventilator will operate according to that
ALL AUTO (“ECO”) con-
trol
The seat heaters*, seat ventila-
tors* and heated steering
wheel* are each automatically
controlled according to the set
temperature of the air condi-
tioning system, the outside
and cabin temperature, etc.
ALL AUTO (“ECO”) controls
the power consumption in
order to both extend the cruis-
ing range and maintain com-
fortable conditions.
Turning on ALL AUTO
(“ECO”) control
Operation of each system

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6-1. Using the air conditioning system and defogger
The AUTO indicator and/or level
indicator illuminates during opera-
tion.
■Rear (outboard rear seats)
Each time the switch is pressed,
the operation condition changes as
follows.
Hi (3 segments lit)  Mid (2 seg-
ments lit)  Lo (1 segment lit) 
Off
When not in use, put the switch in
the neutral position. The indicator
will turn off.
■The seat heaters can be used when
The power switch is in ON.
Turns the seat ventilators on/off
Each time the switch is pressed, the
operation condition changes as follows.
AUTO (lit)  Hi (3 segments lit)  Mid
(2 segments lit)  Lo (1 segment lit) 
Off
The AUTO indicator and/or level
indicator illuminates during opera-
tion.
■The seat ventilators can be used when
The power switch is in ON.
■Air conditioning system-linked control mode
When the seat ventilator fan speed level
is Hi, the seat ventilator fan speed becomes higher according to the fan speed of the air conditioning system.
WARNING
■To prevent causes of overheating and minor burn injuries
Observe the following precautions when using a seat heater
●Do not cover the seat with a blanket
or cushion when using the seat heater.
●Do not use seat heater more than necessary.
Seat ventilators (front seats)

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6-4. Using the other interior features
Interior features
■The wireless charger can be oper- ated when
The power switch is in ACC or ON.
■Portable devices that can be charged
●Portable devices compatible with the Qi wireless charging standard can be charged by the wireless charger. How-
ever, compatibility with all devices which meet the Qi wireless charging
Green (comes on)Blue
AM radio stations are being automat-
ically selected
 Wait until the system has com-
pleted the automatic selection of
AM radio stations. In the case that
automatic selection cannot be
completed, stop automatic selec-
tion.
The smart entry & start system is
detecting the key
 Please wait until the key detection
is complete.
Orange (Repeat-
edly flashes 3 times
continuously)
Gray
Foreign substance detection:
A metallic foreign substance is in the
charge area, and so the abnormal
heating prevention function of the
charging coil operated
 Remove the foreign substance
from the charge area.
Portable device misaligned:
 The charging coil in the portable
device moved outside of the
charge area, and so the abnormal
heating prevention function of the
charging coil operated
Orange (Repeat-
edly flashes 4 times
continuously)
Gray
Safety shutdown resulting when the
temperature within the wireless char-
ger exceeded the set value
 Stop charging, remove the porta-
ble device from the charging tray,
wait for the temperature to drop,
and then start charging again.
Operation indicator
light
Multimedia system
screenSuspected causes/Handling method

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6-4. Using the other interior features
Fold down the armrest for use.
NOTICE
• A case or cover attached with an uneven or tilted surface, so that the
charging side is not flat
• Thick decorations
• Accessories, such as finger rings, straps, etc.
●When the portable device is in con-tact with, or is covered by any of the
following metallic objects:
• A card that has metal on it, such as
aluminum foil, etc.
• A pack of cigarettes that includes
aluminum foil
• A wallet or bag that is made of
metal
•Coins
• A heating pad
• CDs, DVDs or other media
• A metal accessory
• A case or cover made of metal
●Electric wave type wireless remote controls are being used nearby
●The electronic key is not inside the vehicle
●2 or more portable devices are placed on the charging tray at the same time
If charging is abnormal or the opera- tion indicator light continues to flash
for any other reason, the wireless charger may be malfunctioning. Con-tact any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer.
■To prevent malfunctions and data corruptions
●When charging, bringing a credit, or
other magnetic card, or magnetic storage media close to the charge area may clear any stored data due
to magnetic influence. Also, do not bring a wristwatch or other preci-sion instrument close to the charge
area since doing so may cause it to malfunction.
●Do not charge with a non-contact IC card such as a transportation sys-tem IC card inserted between the
charging side of a portable device and the charge area. The IC chip may become extremely hot and
damage the portable device or IC card. Be especially careful not to charge a portable device inside a
case or cover with a non-contact IC card attached.
●Do not leave portable devices inside the vehicle. The inside of the vehicle can become hot in extreme
heat, which could cause a malfunc- tion.
■If the smartphone OS has been updated
If the smartphone OS has been
updated to a newer version, its charging specifications may have changed significantly.
For details, check the information on the manufacturer’s website.
■To prevent 12-volt battery dis-charge
Do not use the wireless charger for a
long period of time when the EV sys- tem is stopped.
Armrest

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8-2. Steps to take in an emergency
When trouble arises
1Stop the vehicle in a safe place
and turn off the air conditioning
system.
2 Leave the EV system operating
and carefully lift the hood.
3 Check if the cooling fan is oper-
ating.
If the fan is operating:
Wait until the “EV System over-
heated Output power reduced”
message disappears and then
stop the EV system. If the mes-
sage does not disappear, call
any authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
If the fan is not operating:
Stop the EV system immediately
and call any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer.
4 After the EV system has cooled
down, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
If your vehicle overheats
When “EV System overheated
Output power reduced” is
shown on the multi-informa-
tion display, your vehicle may
be overheating.
NOTICE
■Cooling system coolant
The radiator coolant is exclusive for radiator usage. Damage may occur when water or any other type of cool-
ant is used, so never use any other fluid. When there is no “Toyota Genu-ine Traction Battery Coolant”, immedi-
ately contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
Correction procedures