key TOYOTA RAV4 PLUG-IN HYBRID 2022 Workshop Manual

4867-3. Do-it-yourself maintenance
QIf the key battery is depleted
The following symptoms may occur:
OThe smart entry & start system and
wireless remote control will not func- tion properly.
OThe operational range will be reduced.
Prepare the following before replac-
ing the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2450
QUse a CR2450 lithium battery
OBatteries can be purchased at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer, local electrical appliance
shops or camera stores.
OReplace only with the same or equiva-
lent type recommended by the manu- facturer.
ODispose 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 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-
Electronic key battery
Replace the battery with a new
one if it is depleted.
Items to prepare
Replacing the battery

487
7
7-3. Do-it-yourself maintenance
Maintenance and care
nal facing up.
4 When installing, reverse the
steps listed.
WARNING
QBattery precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
ODo not swallow the battery. Doing
so may cause chemical burns.
OA 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.
OKeep away new and removed bat-teries from children.
OIf 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.
OIf you accidentally swallow a battery or put a battery into a part of your body, get emergency medical atten-
tion immediately.
QTo prevent battery explosion or leakage of flammable liquid or gas
OReplace the battery with a new bat-tery of the same type. If a wrong type of battery is used, it may
explode.
ODo not expose batteries to
extremely low pressure due to high altitude or extremely high tempera-tures.
ODo not burn, break or cut a battery.
QCertification 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
QWhen replacing the battery
Use a flathead screwdriver of appro- priate size. Applying excessive force
may deform or damage the cover.
QFor normal operation after
replacing the battery
Observe the following precautions to prevent accidents:
OAlways work with dry hands.Moisture may cause the battery to rust.
ODo not touch or move any other component inside the remote con-
trol.
ODo not bend either of the battery
terminals.

8
499
8
When trouble arises
When trouble arises
8-1. Essential information
Emergency flashers .......... 500
If your vehicle has to be
stopped in an emergency 500
If the vehicle is submerged or
water on the road is rising
....................................... 501
8-2. Steps to take in an emer-
gency
If your vehicle needs to be
towed .............................. 503
If you think something is wrong
....................................... 506
If a warning light turns on or a
warning buzzer sounds... 508
If a warning message is dis-
played ............................. 518
If you have a flat tire (vehicles
without spare tire) ........... 522
If you have a flat tire (vehicles
with spare tire) ................ 533
If the hybrid system will not
start ................................ 541
If you lose your keys ......... 543
If the fuel filler door cannot be
opened ........................... 543
If the electronic key does not
operate properly ............. 544
If the 12-volt battery is dis-
charged .......................... 546
If your vehicle overheats... 551
If the vehicle becomes stuck
....................................... 555

541
8
8-2. Steps to take in an emergency
When trouble arises
One of the following may be the
cause of the problem:
 The AC charging cable may be
attached to the vehicle.
( P.134)
 The electronic key may not be
functioning properly. ( P.544)
 There may not be sufficient fuel
in the vehicle’s tank.
Refuel the vehicle. ( P.298)
 There may be a malfunction in
the immobilizer system. ( P.76)
 There may be a malfunction in
the steering lock system.
 The hybrid system may be mal-
functioning due to an electrical
problem such as electronic key
battery depletion or a blown fuse.
However, depending on the type
of malfunction, an interim mea-
sure is available to start the
hybrid system. ( P.542)
 There is a possibility that the
NOTICE
QDriving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle
body and adversely affect driving per- formance.
QWhen replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning
valve and transmitter, contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer as the tire pressure warning valve and transmitter may be dam-aged if not handled correctly.
If the hybrid system will
not start
Reasons for the hybrid system
not starting vary depending on
the situation. Check the follow-
ing and perform the appropri-
ate procedure:
The hybrid system will not
start even though the cor-
rect starting procedure is
being followed ( P.273)

543
8
8-2. Steps to take in an emergency
When trouble arises
1 Remove the cover inside the
luggage compartment by insert-
ing a screwdriver.
When removing the cover, to prevent damage, cover the tip of the screw-driver with a rag.
2 Pull the lever.
Using the lever to open the fuel filler
door may not allow for an adequate reduction in fuel tank pressure before refueling. To prevent fuel from spilling
out, turn the cap slowly when removing it.
During refueling, fuel may spill out from
the filler opening due to air being dis- charged from inside the fuel tank.
If you lose your keys
New genuine keys can be
made by any authorized
Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer using the other
key and the key number
stamped on your key number
plate. Keep the plate in a safe
place such as your wallet, not
in the vehicle.
NOTICE
QWhen an electronic key is lost
If the electronic key remains lost, the
risk of vehicle theft increases signifi- cantly. Visit any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer immediately with all remaining electronic keys that were provided with your vehicle.
If the fuel filler door can-
not be opened
If the fuel filler door opener
switch cannot be operated,
contact any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable
repairer to service the vehicle.
In case where refueling is
urgently necessary, the follow-
ing procedure can be used to
open the fuel filler door.
Opening the fuel filler door

5448-2. Steps to take in an emergency
Therefore, fill the fuel tank carefully and
slowly.
QWhen the electronic key does not work properly
OMake sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on. (Customizable features: P.573)
OCheck if battery-saving mode is set. If it is set, cancel the function. ( P.222)
OThe electronic key function may have
stopped. ( P.222)
If the electronic key
does not operate prop-
erly
If communication between the
electronic key and vehicle is
interrupted ( P.222) or the
electronic key cannot be used
because the battery is
depleted, the smart entry &
start system, push button start
and wireless remote control
cannot be used. In such cases,
the doors can be opened and
the hybrid system can be
started by following the proce-
dure below.
NOTICE
QIn case of a smart entry & start system malfunction, or other key
related problems
Take your vehicle with all the elec- tronic keys provided with your vehicle
to any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.

545
8
8-2. Steps to take in an emergency
When trouble arises
Use the mechanical key ( P.202)
in order to perform the following
operations.
1 Locks all the doors
2 Unlocks all the doors
QKey linked functions
1 Closes the windows and the pan-
oramic moon roof*1 (turn and hold)*2
2 Opens the windows and the pan-
oramic moon roof*1 (turn and hold)*2
*1: If equipped
*2: These settings must be customized
at any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer.
1 Ensure that the shift lever is in P
and depress the brake pedal.
2 Touch the area behind the but-
tons on the electronic key to the
power switch.
When the electronic key is detected, a buzzer sounds and the power switch
will turn to ON.
When the smart entry & start system is deactivated in customization setting,
the power switch will turn to ACC.
3 Firmly depress the brake pedal
and check that is dis-
played on the multi-information
display.
Locking and unlocking the
doors
WARNING
QWhen using the mechanical key and operating the power win-
dows or the panoramic moon roof (if equipped)
Operate the power window or the
panoramic moon roof after checking to make sure that there is no possibil-ity of any passenger having any of
their body parts caught in the window or the panoramic moon roof. Also, do not allow children to operate the
mechanical key. It is possible for chil- dren and other passengers to get caught in the power window or the
panoramic moon roof.
Starting the hybrid system

5468-2. Steps to take in an emergency
4Press the power switch shortly
and firmly.
In the event that the hybrid system
still cannot be started, contact any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
QStopping the hybrid system
Shift the shift lever to P, set the parking brake and press the power switch as
you normally do when stopping the hybrid system.
QReplacing the key battery
As the above procedure is a temporary
measure, it is recommended that the electronic key battery be replaced immediately when the battery is
depleted. ( P.486)
QAlarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechani- cal key when the alarm system is set, the alarm may be triggered. ( P.78)
QChanging power switch modes
Release the brake pedal and press the power switch in step 3 above. The hybrid system does not start and
modes will be changed each time the switch is pressed. ( P.276)
If you have a set of jumper (or
booster) cables and a second vehi-
cle with a 12-volt battery, you can
jump start your vehicle by following
the steps below.
1 Vehicles with alarm (P.78)
Confirm that the electronic key
is being carried.
When connecting the jumper (or booster) cables, depending on the situ-
ation, the alarm may activate and the doors locked. ( P.79)
2Open the hood (P.452) and
fuse box cover.
If the 12-volt battery is
discharged
The following procedures may
be used to start the hybrid sys-
tem if the vehicle’s 12-volt bat-
tery is discharged.
You can also call any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer or a qualified
repair shop.
Restarting the hybrid sys-
tem

5488-2. Steps to take in an emergency
minutes to recharge the 12-volt
battery of your vehicle.
6 Open and close any of the doors
of your vehicle with the power
switch off.
7 Maintain the engine speed of
the second vehicle and start the
hybrid system of your vehicle by
turning the power switch to ON.
8 Make sure the “READY” indica-
tor comes on. If the indicator
light does not come on, contact
any authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
9 Once the hybrid system has
started, remove the jumper
cables in the exact reverse
order from which they were con-
nected.
10 Close the exclusive jump start-
ing terminal cover, and reinstall
the fuse box cover to its original
position.
Once the hybrid system starts,
have the vehicle inspected at any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer as soon as possible.
QStarting the hybrid system when
the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
QTo prevent 12-volt battery dis-
charge
OTurn off the headlights and the audio
system while the hybrid system is off.
OTurn off any unnecessary electrical
components when the vehicle is run- ning at a low speed for an extended period, such as in heavy traffic.
QWhen the 12-volt battery is
removed or discharged
OInformation stored in the ECU is
cleared. When the 12-volt battery is depleted, have the vehicle inspected at any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer.
OSome systems may require initializa-tion. ( P.582)
QWhen removing the 12-volt battery terminals
When the 12-volt battery terminals are removed, the information stored in the ECU is cleared. Before removing the 12-
volt battery terminals, contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
QCharging the 12-volt battery
The electricity stored in the 12-volt bat- tery will discharge gradually even when
the vehicle is not in use, due to natural discharge and the draining effects of certain electrical appliances. If the vehi-
cle is left for a long time, the 12-volt bat- tery may discharge, and the hybrid system may be unable to start. (The 12-
volt battery recharges automatically while the hybrid system is operating.)
QWhen recharging or replacing the 12-volt battery
OIn some cases, it may not be possible to unlock the doors using the smart
entry & start system when the 12-volt battery is discharged. Use the wire-less remote control or the mechanical
key to lock or unlock the doors.
OThe hybrid system may not start on
the first attempt after reinstalling the 12-volt battery. In that case, start the hybrid system in the same manner as
when the electronic key does not operate properly ( P.545). This is not

5709-2. Customization
Some function settings are changed simultaneously with other functions
being customized. Contact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer for further details.
Vehicles with navigation system or multimedia system: Settings that can
be changed using the navigation system or multimedia system
Settings that can be changed using the multi-information display
Settings that can be changed by any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer
Definition of symbols: O = Available, – =Not available
QAlarm* (P.78)
*: If equipped
QCharging system (P.124, 127)
*: Vehicles with 6.6 kW onboard traction battery charger only
Customizable Features
FunctionDefault
settingCustomized
setting
Deactivates the alarm when the
doors are unlocked using the
mechanical key
OffOn––O
FunctionDefault
settingCustomized
setting
“Charging Current”MAX8A–O–16A*
“Battery Heater”OnOff–O–
“Battery Cooler”OnOff–O–
A
B
C
ABC
ABC