2021 TOYOTA RAV4 PLUG-IN HYBRID Owners Manual

543
7
7-3. Do-it-yours elf maintenance
Maintenance and care
■If the key battery is depleted
The following symptoms may occur:
●The smart entry & start system and
wireless remote control will not func - tion properly.
●The operational range will be reduced.
Prepare the following before replac -
ing the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2450
■Use a CR2450 lithium battery
●Batteries can be purchased at any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer, local electrical appliance
shops or camera stores.
●Replace only with the same or equiva -
lent type recomme nded by the manu-
facturer.
●Dispose of used batteries according to
the local laws.
1 Release 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 batt ery may not be visi-
ble. In this case, rem ove the electronic key module in order to remove the bat -
tery.
Insert a new battery with the “+” termi -
Electronic key battery
Replace the battery with a new
one if it is depleted.
Items to prepare
Replacing the battery

5447-3. Do-it-yourself maintenance
nal facing up.
4 When installing, reverse the
steps listed.
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 t he place where
children cannot reach, and then
contact any auth orized 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.
■To prevent battery explosion or leakage of flammable liquid or
gas
●Replace the batt ery with a new bat- tery of the same type. If a wrong
type of battery i s 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.

545
7
7-3. Do-it-yours elf maintenance
Maintenance and care
1Turn 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 claw and to completely
release the lock, and then lift up the
cover.
Engine compartment: Type B
fuse box
Push claw and to completely
release the lock, and then lift up the
cover.
Left side instrument panel
Left-hand drive vehi cles: Remove the
lid.
Right-hand drive vehicles: Push the tab
in and remove the cover, and then
remove the lid.
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

5467-3. Do-it-yourself maintenance
Right side luggage compartment
Open the deck board. (→P.472)
Push claw and to completely
release the lock, and then lift up the
cover.
3 Remove the fuse.
Only type A fuse can be removed using
the pullout tool.
4 Check if the fuse is blown.
Replace the blown fuse with a new fuse
of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type A
Normal fuse
Blown fuse
Type B
Normal fuse
Blown fuse
AB
A
B
A
B

547
7
7-3. Do-it-yours elf maintenance
Maintenance and care
Type C
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that
the tab is installed securely.
●If the lights do not t urn on even after
the fuse has been replaced, a bulb
may need replacement. ( →P.548)
●If the replaced fuse blows again, have
the vehicle inspec ted by any autho-
rized Toyota retailer or Toyota autho - rized repairer, or any reliable repairer.
■If there is an over load in a circuit
The fuses are designed to blow, protect -
ing the wiring har ness from damage.
■When replacing an electronic com- ponent, such as a lights, etc.
Toyota recommends that you use genu -
ine Toyota product s designed for this vehicle. Because certain bulbs are con -
nected to circuits de signed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be unus -
able.
A
B
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 fu se 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 el ectrical 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 th e claw locks before
lifting up the cover. Otherwise, the
claws may be damaged.

5487-3. Do-it-yourself maintenance
Check the wattage of the light bulb
to be replaced. ( →P.626)
Front
Front turn signal lights
Front fog lights
Outer foot lights (if equipped)
Rear
Rear turn signal lights
Back-up lights
■Lights that need to be
replaced by any authorized
Toyota retailer or Toyota
authorized repairer, or any
reliable repairer
 Headlights
 Daytime running lights
 Front position lights
 Side turn signal lights
 Tail lights
 Stop lights
 Rear fog light
 High mounted stoplight
 License plate lights
■LED lights
The lights other than the following lights each consist of a number of LEDs. If any
of the LEDs burn ou t, take your vehicle
to any authorized To yota retailer or Toyota authorized repairer, or any reli -
able repairer to have the light replaced.
●Front turn signal lights
●Front fog lights
●Rear turn signal lights
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
B
C
A
B

549
7
7-3. Do-it-yours elf maintenance
Maintenance and care
●Back-up lights
●Outer foot lights (if equipped)
■Condensation build-up on the
inside of the lens
Temporary condensation build-up on the inside of the lig ht lens does not indi-
cate a malfunction. Contact any autho -
rized Toyota ret ailer or Toyota authorized repairer, or any reliable
repairer for more inf ormation in the fol-
lowing situations:
●Large drops of wat er have built up on
the inside of the lens.
●Water has built up inside the light.
■When replacing an electronic com -
ponent, such as a lights, etc.
→ P.547
■Front turn signal lights
1 Turn the bulb base counter-
clockwise.
2 Remove the light bulb.
3 Install a new light bulb then
install the bulb base to the light
unit by inserting it and turning
the bulb base clockwise.
■Front fog lights
1 To allow enough working space,
turn the steering wheel.
2 Remove the screws.
Replacing light bulb

5507-3. Do-it-yourself maintenance
3Remove the screws and clips,
partly remove the fender liner.
4 Unplug the connector.
5 Turn the bulb base counter-
clockwise.
6 Set the new light bulb.
Align the 3 tabs on the light bulb with
the mounting, and in sert. Turn it clock- wise to set.
7 Set the connector.
Shake the bulb base gently to check that it is not loose , turn the front fog
lights on once and visually confirm that
no light is leaking through the mount - ing.