cooling TOYOTA RAV4 PRIME 2023 User Guide

2624-4. Adjusting the steering wheel and mirrors
■Cleaning the mirror surface
If the mirror surface is dirty, the
image on the display may be dif-
ficult to see.
Clean the mirror surface gently
using a soft dry cloth.
■Cleaning the camera
If the camera lens is dirty, the
displayed image may not be
clear. In this case, clean it with a
soft cloth dampened with water
or a swab.
■The camera
The camera for the Digital Rear-
view Mirror is located as shown.
■The cooling fan
There is a cooling fa n in the Digital
Rear-view Mirror. Cooling fan
sounds may be heard when using
the system.
WARNING
■To prevent causes of fire
If the driver continues using the
Digital Rear-view Mirror while
smoke or odor comes from the
mirror, it may res ult in fire. Stop
using the system immediately and
contact your Toyota dealer.
Cleaning the D igital Rear-
view Mirror
NOTICE
■To prevent the Digital Rear-
view Mirror from malfunction-
ing
●Do not use detergents, such as
thinner, benzene, and alcohol to
clean the mirror. They may dis-
color, deteriorate or damage the
mirror surface.
●Do not smoke, use matches,
use cigarette lighters or allow
open flames near the mirror. It
may damage the mirror or
cause a fire.
●Do not remove, d isassemble or
modify the mirror.
■To prevent the camera from
malfunctioning
●Observe the fo llowing precau-
tions, otherwise the Digital
Rear-view Mirror may not oper-
ate properly.
• Do not strike or hit the camera or subject it to a strong impact,
as the camera installation posi-
tion and angle may be changed.
• Do not remove, disassemble or modify the camera.
• Do not allow an organic solvent, car wax, window cleaner or
glass coating to adhere to the
camera. If this happens, wipe it
off as soon as possible.
• When cleaning the camera lens, wipe the camera lens with a
damp soft cloth.
Do not strongly rub the camera
lens, as it may be scratched and
will not be able to transmit a
clear image.

4045-5. Using the driving support systems
1Eco drive mode
Suitable for driving to improve fuel
economy by more smoothly gener-
ating torque in response to acceler-
ator pedal operations compared to
normal mode and restraining air
conditioning system operations
(heating/cooling).
When the switch is turned to the left
while not in Eco drive mode, the
system switches to Eco drive mode
and the Eco drive mode indicator
illuminates on the mu lti-information
display.
2 Normal mode
Suitable for n ormal driving.
The driving mode returns to normal
mode if the switch i s pressed while
in Eco drive mode or sport mode.
3 Sport mode
Controls the steering feeling and
hybrid system to create an acceler-
ation response tha t is suitable for
sporty driving. Suitable for when
crisp handling is desired, such as
when driving on mountainous
roads.
When the switch is turned to the
right while not in sport mode, the
system switches to sport mode and
the sport mode indicator illuminates
on the multi-information display.
■When the driving mode is
changed
●The background color of the multi-
information display changes
according to the selected driving
mode.
●When the speedometer is set to
analog display, the speedometer
display color also changes. (vehi-
cles with 7-inch display)
●The color of the switch changes
according to the selected driving
mode. (On some models)
■Air conditioning system opera-
tion in Eco drive mode
In Eco drive mode, heating/cooling
operations and the fan speed is con-
trolled to improve fuel efficiency.
Perform the following procedures to
increase the air conditioning perfor-
mance.
●Turn eco air conditioning mode off
(  P.423)
●Adjust the fan speed ( P.423)
●Cancel Eco drive mode
■Canceling a driving mode
●Sport mode is automatically can-
Driving mode select
switch
The driving modes can be
selected to suit the driving
and usage conditions.
Selecting a driving mode

4236-1. Using the air conditioning system and defogger
6
Interior features
switches between individual and
simultaneous modes each time the
“SYNC” switch is pressed.
Simultaneous mode (the indicator
on the “SYNC” switch is on):
The driver’s side temperature con-
trol dial can be used to adjust the
temperature for the driver’s and
passenger’s side. At this time,
operate the passenger’s side tem-
perature control dial to enter indi-
vidual mode.
Individual mode (t he indicator on
the “SYNC” switch is off):
The temperature for the driver’s
and passenger’s side can be
adjusted separately.
■Setting the fan speed
Press the fan speed increase
switch to increase the fan speed
and the fan speed decrease
switch to decrease the fan
speed.
Pressing the “OFF” switch turns off
the fan.
■Change the airflow mode
Press the airflow mode control
switch.
The airflow mode changes as fol-
lows each time the switch is
pressed.
1 Upper body
2 Upper body and feet
3 Feet
4 Feet and the windshield
defogger operates
■Switching between outside
air and recirculated air
modes
Press the outside/recirculated
air mode switch.
The mode switches between out-
side air mode and recirculated air
mode each time the switch is oper-
ated.
When recirculated air mode is
selected, the indicator illuminates
on the outside/recirculated air
mode switch.
■Set cooling and dehumidifi-
cation function
Press the “A/C” switch.
When the function is on, the indica-
tor illuminates on the “A/C” switch.
■Eco air conditioning mode
The air conditioning is controlled
with low fuel consumption priori-
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44

4266-1. Using the air conditioning system and defogger
from entering the vehicle interior
and helping to cool the vehicle
when the outside air temperature
is high.
●Outside/recirculated air mode may
automatically switch depending on
the temperature setting or the
inside temperature.
■When the outside temperature
exceeds 75°F (24°C) and the air
conditioning system is on
●In order to reduce the air condi-
tioning power consumption, the air
conditioning system may switch to
recirculated air mode automati-
cally. This may a lso reduce fuel
consumption.
●Recirculated air mode is selected
as a default mode when the power
switch is turned to ON.
●It is possible to switch to outside
air mode at any time by pressing
the outside/recirculated air mode
switch.
■Operation of the air condition-
ing system in Eco drive mode
●In Eco drive mode, the air condi-
tioning system is controlled as fol-
lows to prioritize fuel efficiency:
• Engine speed and compressor
operation controlled to restrict
heating/cooling capacity
• Fan speed restr icted when auto-
matic mode is selected
●To improve air conditioning perfor-
mance, perform the following
operations:
• Turn off Eco drive mode ( P.404)
• Turn off Eco air conditioning mode
●When the driving mode is set to
Eco driving mode, the Eco air con-
ditioning mode will be turned on
automatically. Even in this case,
the Eco air conditioning mode can
be turned off by pressing the Eco
air conditioning mode switch.
■When the outside temperature
falls to nearly 32°F (0°C)
The dehumidification function may not operate even when “A/C” switch
is pressed.
■Ventilation and air conditioning
odors
●To let fresh air in, set the air condi-
tioning system to the outside air
mode.
●During use, various odors from
inside and outside the vehicle may
enter into and accumulate in the
air conditioning system. This may
then cause odor
to be emitted
from the vents.
●To reduce potential odors from
occurring:
• It is recommended that the air
conditioning system be set to out-
side air mode prior to turning the
vehicle off.
• The start timing of the blower may be delayed for a short period of
time immediately after the air con-
ditioning system is started in auto-
matic mode.
●When parking, the system auto-
matically switches to outside air
mode to encourage better air cir-
culation throughout the vehicle,
helping to reduce odors that occur
when starting the vehicle.
■Using the Intelligent Assistant
(if equipped)
Air conditioning system can be
operated using the Intelligent Assis-
tant.
For details regarding the Intelligent
Assistant, refer to the “MULTIME-
DIA OWNER’S MANUAL”.
■Air conditioning filter
 P.513
■Air conditioning system refrig-
erant
●A label regarding the refrigerant of
the air conditioning system is
attached to the h ood at the loca-
tion shown in the following illustra-
tion.

4326-1. Using the air conditioning system and defogger
cient due to the power being
restricted more than during normal
air conditioning operation. Also, the
outside of the windshield may fog up
due to the outside temperature,
humidity or air conditioning set tem-
perature.
■Using the heater via the Remote
Air Conditioning System
●When the outside temperature is
low, heating may feel insufficient
due to restricted operation of the
air conditioning.
●When the outside heat exchanger
becomes frosted over, heating
performance may decline due to
automatically switching to the frost
removal operation. ( P.424)
■Security feature
Any unlocked doors will be automat-
ically locked when the system is
operating. The buzzer sounds and
the emergency flashers flash to indi-
cate that the doors have been
locked or the system has been
turned off.
■Conditions affecting operation
 P.243
■While the Remote Air Condi-
tioning System is operating
●Depending on the operating con-
dition of the Remote Air Condition-
ing System, the air conditioning
compressor or cooling fan may
spin and an operating noise may
be heard. However, this does not
indicate a malfunction.
●The air conditioning operation
switches, etc. will not operate
while the Remote Air Condition-
ing System is operating.
■Electronic key battery depletion
 P.218
■When the electronic key bat-
tery is fully depleted
 P.522
■Customization
Setting (e.g. Operation using “A/C”
on the wireless remote control) can
be changed. (Customizable fea-
tures: P.613)
WARNING
■Precautions for the Remote
Air Conditioning System
●Do not use the system if people
are in the vehicle.
Even when the system is in use,
the internal temperature may
still reach a high or low level
due to features such as the
automatic shut-off. Children and
pets left inside the vehicle may
suffer heatstroke dehydration or
hypothermia or could result in
death or serious injury.
●Depending on the surrounding
environment, signals from the
wireless switch may transmit
further than e xpected. Pay
appropriate attention to the
vehicle’s surroundings and use
the switch only when neces-
sary.
●Do not operate “A/C” on the
wireless remote control if the
hood is open. The Remote Air
Conditioning System may oper-
ate unintentionally and objects
may be drawn into the electrical
cooling fan.
NOTICE
■To prevent the hybrid battery
(traction battery) from being
discharged
Use “A/C” on the wireless remote
control only when necessary.

4586-4. Using the other interior features
WARNING
●Do not leave the vehicle unat-
tended while using the power
outlet.
●Do not use the power outlet
during weather with a possibility
of lightning. If you notice light-
ning while using the power out-
let, stop using it.
●Do not use the p ower outlet if
the vehicle has a vehicle cover
installed.
●Be especially careful when
using an electrical device such
as a heater and sleeping in the
vehicle. The device may stop
unexpectedly due to operations
such as an autom atic stop of
the power supply system.
●Do not use while the vehicle is
stopped on a sl ope or other
slanted location. Do not move or
tilt the vehicle during use.
●Observe the following precau-
tions when using the power out-
let with the cord pulled outside
of the vehicle.
• Be careful of entry of rain or water. If the p ower outlet
becomes wet, dry the outlet
before using.
• Prevent the cord from being caught in the window or door
• Provide some slack in the cord and do not pull it too tight
• Make sure not to start the vehi-
cle
●Do not refuel or wash the vehi-
cle during use.
●Make sure that the hood is
closed. As the engine will start
automatically depending on the
condition of the vehicle, make
sure that nothing is left near or
contacting the exhaust pipes.
Also, do not put your head or
hands anywhere inside the
engine compartment, as the
cooling fan ma y operate sud-
denly. Keep hands and clothing
(especially a tie, scarf, etc.)
away from the fan as they may
get caught in a fan.
●Do not stop the vehicle near
objects which burn easily. If the
exhaust system is extremely
hot, it may cause a fire.
●The gasoline engine starts auto-
matically when the remaining
charge of the hybrid battery
(traction battery) decreases.
When using a power outlet in an
area with poor ventilation or an
enclosed area, such as a
garage or a place where snow
has piled up, properly use an air
intake and exhaust device to
prevent lack of oxygen and full-
ness of exhaust gas. If such
device cannot be used, do not
use the power outlet.
■When using the power outlet
while driving
●Do not use devices such as the
following when driving. Also, do
not use a device if it cannot be
secured within the vehicle.
• Devices which may distract the driver and be a hinderance to
safe driving, such as a TV, DVD
player, etc.

4857-3. Do-it-yourself maintenance
7
Maintenance and care
DC/DC Con-
verter air
intake vent
( P.515)• Vacuum cleaner,
etc,
• Phillips screw- driver
Light bulbs
( P.528)
• Bulb with same
number and watt-
age rating as origi-
nal
• Phillips-head screwdriver
• Flathead screw- driver
• Wrench
Headlight aim
(  P.527)Phillips-head
screwdriver
Radiator and
condenser
( P.492)

Tire inflation
pressure
( P.509)• Tire pressure
gauge
• Compressed air source
Washer fluid
( P.494)
• Water or washer
fluid containing
antifreeze (for win-
ter use)
• Funnel (used only for adding water or
washer fluid)
WARNING
The engine compartment contains
many mechanisms and fluids that
may move suddenly, become hot,
or become electrically energized.
To avoid death or serious injury,
observe the following precautions.
ItemsParts and tools■When working on the engine
compartment
●Make sure that “IGNITION ON”
on the multi-information display
and the “READY” indicator are
both off.
●Keep hands, clothing and tools
away from the moving fan.
●Do not leave anything that may
burn easily, such as paper and
rags, in the engine compart-
ment.
●Do not smoke, cause sparks or
expose an open flame to fuel.
Fuel fumes are flammable.
■When working near the elec-
tric cooling fan or radiator
grille
Be sure the power switch is OFF.
With the power switch in ON, the
electric cooling fa n may automati-
cally start to run if the air condi-
tioning is on and/or the coolant
temperature is high. ( P.492)
■Safety glasses
Wear safety gla sses to prevent
flying or falling material, fluid
spray, etc., from getting in your
eyes.
NOTICE
■If you remove the air cleaner
filter
Driving with the air cleaner filter
removed may cause excessive
engine wear due to dirt in the air.

4897-3. Do-it-yourself maintenance
7
Maintenance and care
Fuse boxes (P.524)
Engine oil filler cap ( P.490)
Engine oil level dipstick ( P.489)
Brake fluid reservoir ( P.493)
Radiator ( P.492)
Electric cooling fan
Condenser ( P.492)
Power control unit coolant reservoir ( P.492)
Washer fluid tank ( P.494)
Engine coolant reservoir ( P.491)
■12-volt battery
 P.495
With the engine at operating
temperature and turned off,
Engine compartment
Components
A
B
C
D
E
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4927-3. Do-it-yourself maintenance
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW”
line, add coolant up to the “FULL”
line. (P.574)
■Power control unit coolant
reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW”
line, add coolant up to the “FULL”
line. ( P.576)
■Coolant selection
Only use “Toyota Super Long Life
Coolant” or a similar high quality
ethylene glycol based non-silicate,
non-amine, non-nitrite, and non-
borate coolant with long-life hybrid
organic acid technology.
U.S.A.:
“Toyota Super Long Life Coolant” is
a mixture of 50% coolant and 50%
deionized water. (Minimum tem-
perature: -31°F [-35°C])
Canada:
“Toyota Super Long Life Coolant” is
a mixture of 55% coolant and 45%
deionized water. (Minimum tem-
perature: -44°F [-42°C])
For more details about coolant, con-
tact your To yota dealer.
■If the coolant level drops within
a short time of replenishing
Visually check the radiators, hoses,
engine/power control unit coolant
reservoir caps, drain cock and water
pump.
If you cannot find a leak, have your
Toyota dealer, test the cap and
check for leaks in the cooling sys-
tem.
Check the radiator and con-
denser, and clear away any for-
eign objects.
If either of the above parts is
extremely dirty or you are not
sure of their condition, have
A
B
C
A
B
C
WARNING
■When the hybrid system is
hot
Do not remove the engine/power
control unit coolant reservoir
caps.
The cooling system may be under
pressure and may spray hot cool-
ant if the cap is removed, causing
serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor
straight antifreeze. The correct
mixture of water and antifreeze
must be used to provide proper
lubrication, corrosion protection
and cooling. Be sure to read the
antifreeze or coolant label.
■If you spill coolant
Be sure to wash it off with water to
prevent it from damaging parts or
paint.
Checking the radiator and
condenser

4937-3. Do-it-yourself maintenance
7
Maintenance and care
your vehicle inspected by your
Toyota dealer.
■Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
■Adding fluid
1 Slide and lift up the rubber
strip to partly remove it as
shown.
2 Disconnect the claws and
remove the service cover.
3 Remove the reservoir cap.
4 Add brake fluid slowly while
checking the fluid level.
Make sure to check the fluid
type and prepare the necessary
item.
WARNING
■When the hybrid system is
hot
Do not touch the r adiator or con-
denser as they may be hot and
cause serious injuries, such as
burns.
■When the electric cooling fan
is operating
Do not touch the engine compart-
ment.
With the power switch in ON, the
electric cooling fan may automati-
cally start to run if the air condi-
tioning is on and/or the coolant
temperature is high. Be sure the
power switch is OFF when work-
ing near the electric cooling fan or
radiator grille.
Checking and adding the
brake fluid