rear view mirror TOYOTA 4RUNNER 2022 Owner's Manual

2974-5. Using the driving support systems
4
Driving
4RUNNER (U)
Multi-information display
Turning the RCTA function on/off.
Outside rear view mirror indica-
tors
When a vehicle approaching from
the right or left at the rear of the
vehicle is detected, both outside
rear view mirror indicators will
flash.
Navigation system screen
If a vehicle approaching from the
right or left at the rear of the vehicle
is detected, the RCTA icon (P.
299) for the detected side will be
displayed.
RCTA buzzer
If a vehicle approaching from the right or left at the rear of the vehicle is
detected, a buzzer will sound.
The RCTA function can be enabl ed/disabled on screen of the
multi-information display. ( P. 9 7 )
When the RCTA function is disabled, the “RCTA OFF” indicator wi ll come
on. Each time the engine switch is turned to the “LOCK” position (vehicles
without smart entry & start system) or off (vehicles with smart entry & start
system) then changed to the “ON” position (vehicles without sma rt entry &
start system) or IGNITION ON mode (vehicles with smart entry & start sys-
tem), the RCTA function will be enabled automatically.
RCTA (Rear Cross Traffic Alert)
: If equipped
The RCTA function uses the BSM radar sensors installed on the
inner side of the rear bumper. This function is intended to ass ist
the driver in checking areas that are not easily visible when
backing up.
System components
1
2
3
Turning the RCTA function on/off
4

2984-5. Using the driving support systems
4RUNNER (U)
■Outside rear view mirror indicator visibility
In strong sunlight, the outside rear view mirror indicator may be difficult to
see.
■ Hearing the RCTA buzzer
The RCTA buzzer may be difficult to hear over loud noises, such as if the
audio system volume is high.
■ When “RCTA Unavailable” is shown on the multi-information displ ay
Water, snow, mud, etc., may be attached to the rear bumper around the sen-
sors ( P. 283). Removing the water, snow, mud, etc., from the vicinity of the
sensor area should return it to normal. Also, the sensor may no t function nor-
mally when used in extremely hot or cold weather.
■ When “RCTA Malfunction Visit Your Dealer” is shown on the multi -infor-
mation display
There may be a sensor malfunction or misaligned. Have the vehicle
inspected by your Toyota dealer.
■ Radar sensors
P. 283
■ Customization
Some functions can be customized. ( P. 566)

2994-5. Using the driving support systems
4
Driving
4RUNNER (U)■
Operation of the RCTA function
The RCTA function uses radar
sensors to detect vehicles
approaching from the right or left at the rear of the vehicle a nd
alerts the driver of the presence of such vehicles by flashing the
outside rear view mirror indi cators and sounding a buzzer.
Approaching vehicles
Detection areas of approaching vehicles
■RCTA icon display
When a vehicle approaching
from the right or left at the rear
of the vehicle is detected, the
following will be displayed on
the navigation system screen.
Example: Vehicles are
approaching from both sides of
the vehicle.
RCTA function
1
2

3535-1. Using the air conditioning system and defogger
5
Interior features
4RUNNER (U)■
Fan speed setting
To adjust the fan speed, turn clockwise (increase) or coun-
terclockwise (decrease).
Turning the knob to “OFF” turns off the fan.
■
Change the airflow mode
To select the air outlets, set to the desired position.
The positions between the air outlet selections shown below can also be
selected for more delicate adjustment.
■
Other functions
● Switching between outside a ir and recirculated air modes
● Defogging the windshield ( P. 3 5 4 )
● Defogging the rear window and outside rear view mirrors
(  P. 354)
● Windshield wiper de-icer (if equipped) ( P. 3 5 4 )
■Switching between outside air and recirculated air modes
Press .
The mode switches between outside air mode (introduces air from out-
side the vehicle) (indicator off) and recirculated air mode (re cycles air
inside the vehicle) (indicator on) each time the button is pressed.
Other functions

3545-1. Using the air conditioning system and defogger
4RUNNER (U)■
Defogging the windshield
Defoggers are used to defog the windshield and front side win-
dows.
Set the air outlet selec
tor dial to position.
If the recirculated air mode is used, it will automatically swi tch to outside
air mode.
To defog the windshield and the side windows early, increase th e air
flow and temperature.
If the dehumidification functi on is not operating, press to
operate the dehumidif ication function.
■Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove rain -
drops, dew and frost from the outside rear view mirrors.
Before operating the defoggers, make sure the back window is
completely closed. ( P. 165)
Press
The defoggers will automatically turn off after their operation time. The
operation time varies depending on the ambient temperature and vehi-
cle speed.
■
Windshield wiper de -icer (if equipped)
This feature is used to prevent ice from building up on the win d-
shield and wiper blades.
Turns the windshield wiper de-
icer on/off
The windshield wiper de-icer will
automatically turn off after
approximately 15 minutes.

3585-1. Using the air conditioning system and defogger
4RUNNER (U)
WARNING
■To prevent the windshield from fogging up
● Do not use during cool air operation in extremely humid weathe r.
The difference between the temperature of the outside air and that of the
windshield can cause the outer surface of the windshield to fog up, block-
ing your vision.
■ To prevent burns
● Do not touch the rear view mirror surfaces when the outside rear view mir-
ror defoggers are on.
● Do not touch the glass at lower part of the windshield or to the side of the
front pillars when the windshield wiper de-icer is on.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessa ry when the
engine is stopped.
■ When repairing/replacing parts of the air conditioning system
Have repair/replacement performed by your Toyota dealer.
When a part of the air conditioning system, such as the evapora tor, is to be
replaced, it must be replaced with a new one.
● Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.

3605-1. Using the air conditioning system and defogger
4RUNNER (U)■
Change the airflow mode
To change the air outlets, press , , or .
■Other functions
●
Switching between outside air and recirculated air modes
(  P. 361)
● Defogging the windshield ( P. 3 6 1 )
● Defogging the rear window and outside rear view mirrors
(  P. 361)
● Windshield wiper de-icer (if equipped) ( P. 3 6 2 )
Press .
The air conditioning system begins to operate. Air outlets and fan speed
are automatically adjusted according to the temperature setting .
Adjust the temperature setting.
To stop the operation, press .
■Automatic mode indicator
If the fan speed setting or air flow modes are operated, the au to-
matic mode indicator goes off. However, automatic mode for func -
tions other than that o perated is maintained.
■Adjusting the temperature for driver and passenger seats sep-
arately (“DUAL” mode)
Perform the following procedures to turn on the “DUAL” mode:
●Press .
● Adjust the passenger’s side temperature setting.
The indicator comes on when the “DUAL” mode is on.
While in “DUAL” mode, the temperature of the rear air outlets i s
set at the right-hand side temperature setting.
Using automatic mode
1
2
3

3615-1. Using the air conditioning system and defogger
5
Interior features
4RUNNER (U)■
Switching between outside air
and recirculated air modes
Press .
The mode switches between outside air mode (the indicator is of f) and
recirculated air mode (the indicator is on) each time the butto n is
pressed.
■
Defogging the windshield
Defoggers are used to defog the windshield and front side win-
dows.
Press .
The dehumidification function operates and fan speed increases.
Set the outside/recirculated air mode button to the outside air mode if
the recirculated air mode is used. (It may switch automatically .)
To defog the windshield and the side windows early, turn the ai r flow and
temperature up.
To return to the previous mode, press again when the windshiel d
is defogged.
■
Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove rain -
drops, dew and frost from the outside rear view mirrors.
Before operating the defoggers, make sure the back window is
completely closed. ( P. 165)
Press
The defoggers will automatically turn off after their operation time. The
operation time varies depending on the ambient temperature and vehi-
cle speed.
Other functions

3665-1. Using the air conditioning system and defogger
4RUNNER (U)
WARNING
■To prevent the windshield from fogging up
● Do not use during cool air operation in extremely humid weathe r.
The difference between the temperature of the outside air and that of the
windshield can cause the outer surface of the windshield to fog up, block-
ing your vision.
■ To prevent burns
● Do not touch the rear view mirror surfaces when the outside rear view mir-
ror defoggers are on.
● Do not touch the glass at lower part of the windshield or to the side of the
front pillars when the windshield wiper de-icer is on.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessa ry when the
engine is stopped.
■ When repairing/replacing parts of the air conditioning system
Have repair/replacement performed by your Toyota dealer.
When a part of the air conditioning system, such as the evapora tor, is to be
replaced, it must be replaced with a new one.
● Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.

5668-2. Customization
4RUNNER (U)■
BSM (Blind Spot Monitor)* (P. 2 8 1 )
*: If equipped
■
RCTA (Rear Cross Traffic Alert)* (P. 297)
*: If equipped
■
Toyota parking assist-sensor* (P. 2 8 8 )
*: If equipped
■
Seat belt reminder ( P. 486)
FunctionDefault settingCustomized
setting
BSM OnOff O – –
Outside rear view mirror
indicator brightness BrightDim
O– –
Blank
Sensitivity IntermediateEarly
O– –
Late
Only when in blind spot
FunctionDefault settingCustomized setting
RCTA OnOff O – –
RCTA buzzer volume21 to 3 – – O
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FunctionDefault settingCustomized
setting
Detection distance of the
rear center sensor Far Near – O O
Buzzer volume Level 2 Level 1 to 3 – O O
FunctionDefault settingCustomized setting
Vehicle speed linked seat
belt reminder buzzerOnOff – – O
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