2023 TOYOTA RAV4 PLUG-IN HYBRID warning

5067-3. Do-it-yourself maintenance
and .
Engage the 4 center claws to install the
filter.
Make sure that the filter is not crooked
or deformed when installing it.
7Install the air intake vent cover.
Insert the tab of the cover as shown in
the illustration and push the cover to
engage the 8 claws.
8Install the clip.
■Cleaning the air intake vent
●Dust in the air intake vent may inter-
fere with the cooling of the DC/DC
converter. If the cooling perfor-
mance/capacity of the DC/DC con-
verter becomes limited, the 12-volt
battery may discharge. Inspect and
clean the air intake vent periodically.
●Improper handling of the air intake
vent cover and filter may result in
damage to them. If you have any con-
cerns about cleaning the filter, contact
any authorized Toyota retailer or
Toyota authorized repairer, or any reli-
able repairer.
■If “Maintenance required for DCDC
converter cooling parts See
Owner’s Manual” is shown on the
multi-information display
●If this warning message is shown on
the multi-information display, remove
the air intake vent cover and clean the
filter. (P.504)
●After cleaning the air intake vent, start
the hybrid system and check that the
warning message is no longer shown.
It may take approximately 20 minutes
after the hybrid system is started until
the warning message disappears. If
the warning message does not disap-
pear, have the vehicle inspected by
any authorized Toyota retailer or
Toyota authorized repairer, or any reli-
able repairer.
A

507
7
7-3. Do-it-yourself maintenance
Maintenance and care
WARNING
■When cleaning the air intake vent
●Before cleaning the air intake vent,
make sure to turn the power switch off to stop the hybrid system.
●Do not use water or other liquids to clean the air intake vent. If water is applied to the DC/DC converter or
other components, a malfunction or fire may occur.
NOTICE
■When cleaning the air intake vent
When cleaning the air intake vent, make sure to only use a vacuum to
suck out dust and clogs. If a com- pressed air blow gun, etc. is used to blow out dust and clogs, the dust or
clogs may be pushed into the air intake vent, which may affect the per-formance of the DC/DC converter and
cause a malfunction.
■To prevent damage to the vehicle
●Do not allow water or foreign matter to enter the air intake vent when the
cover is removed.
●Carefully handle the removed filter
so that it will not be damaged. If the filter is damaged, have it replaced with a new filter by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
●Make sure to reinstall the filter and cover to their original positions after cleaning.
●Do not install anything to the air intake vent other than the exclusive filter for this vehicle or use the vehi-
cle without the filter installed.
■If “Maintenance required for
DCDC converter cooling parts See Owner’s Manual” is shown on the multi-information display
If the vehicle is continuously driven with the warning message (indicating that the cooling performance/capac-
ity of the DC/DC converter may become limited) displayed, the DC/DC converter may malfunction. If
the warning message is displayed, clean the air intake vent immediately.

5127-3. Do-it-yourself maintenance
1Release the lock and remove
the mechanical key.
2 Remove the key cover.
Use a screwdriver of an appropriate size. Forcedly prying may cause the cover damaged.
To prevent damage to the key, cover the tip of the flathead screwdriver with a rag.
3 Remove the depleted battery
using a small flathead screw-
driver.
When removing the cover, the elec- tronic key module may stick to the cover and the battery may not be visi-
ble. In this case, remove the electronic key module in order to remove the bat-tery.
Insert a new battery with the “+” termi-
nal facing up.
4 When installing, reverse the
steps listed.
Replacing the battery
WARNING
■Battery precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not swallow the battery. Doing
so may cause chemical burns.
●A coin battery or button battery is
used in the electronic key. If a bat- tery is swallowed, it may cause severe chemical burns in as little as
2 hours and may result in death or serious injury.
●Keep away new and removed bat-teries from children.
●If the cover cannot be firmly closed, stop using the electronic key and stow the key in the place where
children cannot reach, and then contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer as soon as possible.
●If you accidentally swallow a battery or put a battery into a part of your body, get emergency medical atten-
tion immediately.

513
7
7-3. Do-it-yourself maintenance
Maintenance and care
1 Turn the power switch off.
Confirm that the charging connector is not connected. Also, do not use the
Remote Air Conditioning System during the procedure.
2 Open the fuse box cover.
Engine compartment: Type A
fuse box
Push claws and to completely
release the lock, and then lift up the
cover.
Engine compartment: Type B
fuse box
Push claws and to completely
release the lock, and then lift up the
cover.
WARNING
■To prevent battery explosion or leakage of flammable liquid or
gas
●Replace the battery with a new bat- tery of the same type. If a wrong
type of battery is used, it may explode.
●Do not expose batteries to extremely low pressure due to high altitude or extremely high tempera-
tures.
●Do not burn, break or cut a battery.
■Certification for the electronic key battery
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUC-
TIONS
NOTICE
■When replacing the battery
Use a flathead screwdriver of appro- priate size. Applying excessive force may deform or damage the cover.
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other component inside the remote con-trol.
●Do not bend either of the battery terminals.
Checking and replacing
fuses
If any of the electrical compo-
nents do not operate, a fuse
may have blown. If this hap-
pens, check and replace the
fuses as necessary.
Checking and replacing
fuses
AB
AB

5167-3. Do-it-yourself maintenance
Check the wattage of the light bulb
to be replaced. ( P.591)
Outside rear view mirrors
Outer foot lights (if equipped)
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions. Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
●Never use a fuse of a higher amperage rating than that indi-
cated, or use any other object in place of a fuse.
●Always use a genuine Toyota fuse or equivalent.Never replace a fuse with a wire,
even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer as soon as possible.
■To prevent damage to the engine compartment fuse box cover
When opening the fuse box, com- pletely release the claw locks before lifting up the cover. Otherwise, the
claws may be damaged.
Light bulbs
You may replace the following
bulbs by yourself. The diffi-
culty level of replacement var-
ies depending on the bulb. As
there is a danger that compo-
nents may be damaged, we
recommend that replacement
is carried out by any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer.
Preparing for light bulb
replacement
Bulb location
A

523
7
7-3. Do-it-yourself maintenance
Maintenance and care
12 Reconnect the connectors of the
mirror.
13 Align the tabs, and secure the
mirror by pushing in each diago-
nally-opposite pair of tabs in
order.
Make sure to insert the tabs in order as shown in the illustration, and push them in until a click is heard.
If you do not hear the click, do not force the tabs in. Instead, remove the mirror and check that the tabs are aligned.
WARNING
■Replacing light bulb
●Turn off the light. Do not attempt to
replace the bulb immediately after turning off the light. The bulb become very hot and may
cause burns.
●Do not touch the glass portion of
the light bulb with bare hands. When it is unavoidable to hold the glass portion, use and hold with a
clean dry cloth to avoid getting moisture and oils on the bulb. Also, if the bulb is scratched or
dropped, it may blow out or crack.
●Fully install light bulb and any parts
used to secure it. Failure to do so may result in heat damage, fire, or water entering the light unit. This
may damage the light or cause con- densation to build up on the lens.
●Do not attempt to repair or disas-semble light bulbs, connectors, electric circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
■To prevent damage or fire
●Make sure bulb is fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat
damage.

8
525
8
When trouble arises
When trouble arises
8-1. Essential information
Emergency flashers .......... 526
If your vehicle has to be
stopped in an emergency
....................................... 526
If the vehicle is submerged or
water on the road is rising
....................................... 527
8-2. Steps to take in an emer-
gency
If your vehicle needs to be
towed .............................. 529
If you think something is wrong
....................................... 532
If a warning light turns on or a
warning buzzer sounds... 534
If a warning message is dis-
played ............................. 544
If you have a flat tire (vehicles
without spare tire) ........... 548
If you have a flat tire (vehicles
with spare tire) ................ 559
If the hybrid system will not
start ................................ 568
If you lose your keys ......... 570
If the fuel filler door cannot be
opened ........................... 570
If the electronic key does not
operate properly ............. 571
If the 12-volt battery is dis-
charged .......................... 573
If your vehicle overheats... 578
If the vehicle becomes stuck
....................................... 582

527
8
8-1. Essential information
When trouble arises
more, or press it briefly 3 times
or more in succession.
5 Stop the vehicle in a safe place
by the road.
■If emergency stopped
The functions of the air conditioning, etc.
may be partially limited in order to reduce the power consumption of the 12-volt battery.
 If the door can be opened, open
the door and exit the vehicle.
 If the door can not be opened,
open the window using the
power window switch and ensure
an escape route.
 If the window can be opened,
exit the vehicle through the win-
dow.
 If the door and window cannot be
opened due to the rising water,
remain calm, wait until the water
level inside the vehicle rises to
the point that the water pressure
inside of the vehicle equals the
water pressure outside of the
vehicle and then open the door
after waiting for the rising water
to enter the vehicle, and exit the
vehicle. When the outside water
level exceeds half the height of
the door, the door cannot be
opened from the inside due to
WARNING
■If the hybrid system has to be turned off while driving
Turning the hybrid system off while driving will not cause a loss of steer-ing or braking control. However,
power assist for the steering wheel may be lost making it difficult to steer smoothly before stopping the vehicle
depending on the remaining charge in the 12-volt battery or usage condi-tions. Decelerate as much as possible
before turning off the hybrid system.
If the vehicle is sub-
merged or water on the
road is rising
This vehicle is not designed to
be able to drive on roads that
are deeply flooded with water.
Do not drive on roads where
the roads may be submerged
or the water may be rising. It is
dangerous to remain in the
vehicle, if it anticipated that the
vehicle will be flooded or set a
drift. Remain calm and follow
the following.