2022 TOYOTA AVALON HYBRID Owners Manual

5057-2. Steps to take in an emergency
7
When trouble arises
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly. (P. 508)
● There may not be sufficient f uel in the vehicle’s tank.
Refuel the vehicle.
● There may be a mal function in the immobilizer system.
(  P. 86)
● There may be a malfunction i n the steering lock system.
● The hybrid system may be malfunc tioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. H ow-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 506)
● The temperature of the hybrid battery (traction battery) may be
extremely low (below appro ximately -22°F [-30°C]). (P. 81, 202)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 510)
● The 12-volt battery terminal conn ections may be loose or corroded.
(  P. 433)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on
the situation. Check the followi ng and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 200)
The interior lights and headlights are dim, or the horn does no t
sound or sounds at a low volume.

5067-2. Steps to take in an emergency
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 510)
● One or both of the 12-volt battery terminals may be disconnecte d.
(  P. 433)
Contact your Toyota dealer if the problem cannot be repaired, o r if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to sta rt the hybrid system if the power
switch is functioning normally.
Do not use this starting procedure except in case of emergency.
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Hav e the vehicle inspected by your
Toyota dealer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
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5077-2. Steps to take in an emergency
7
When trouble arises
■Doors
Using the mechanical key (P.
139) in order to perform the fol-
lowing operations (driver’s door
only):
Locks all doors
Closes the windows and the
moon roof
*1 (turn and
hold)
*2
Unlocks the door
Turning the key rearward unlocks the driver's door. Turning the key once
again unlocks the other doors.
Opens the windows and the moon roof*1 (turn and hold)*2
*1: If equipped
*2: This setting must be customized at your Toyota dealer.
If the electronic key does not operate
properly
If communication between the electronic key and vehicle is
interrupted (P. 155) or the electronic key cannot be used
because the battery is depleted, the smart key system and wire-
less remote control cannot be used. In such cases, the doors
and trunk can be opened and the hybrid system can be started
by following the procedure below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
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5087-2. Steps to take in an emergency
■Tr u n k
Turn the mechanical key clock-
wise to open.
Ensure that the shift lever is in P and firmly depress the brake
pedal.
Touch the Toyota emblem side
of the electronic key to the
power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON mode.
When the smart key system is
deactivated in customization set-
ting, the power switch will turn to
ACCESSORY mode.
Firmly depress the brake pedal and check that is displayed
on the multi-information display.
Press the power switc h shortly and firmly.
In the event that the power swi tch still cannot be started, contact your
Toyota dealer.
Starting the hybrid system
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5097-2. Steps to take in an emergency
7
When trouble arises
■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when
stopping the hybrid system.
■ Replacing 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. 461)
■ Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( P. 201)
■ When the electronic key does not work properly
●Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features: P. 548)
● Check if battery-saving mode is set. If it is set, cancel the f unction.
( P. 154)
WARNING
■ When using the mechanical key and operating the power windows or
moon roof
Operate the power window or moon roof after checking to make su re that
there is no possibility of any passenger having any of their body parts
caught in the window or moon roof. Also, do not allow children to operate
the mechanical key. It is possible for children and other passe ngers to get
caught in the power window or moon roof.
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5107-2. Steps to take in an emergency
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by foll owing the
steps below.
Confirm that the electronic key
is being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked. ( P. 90)
Open the hood and remove the
fuse box cover.
Push the tabs in and lift the lid off.
Open the exclusive jump start-
ing terminal cover.
If the 12-volt batter y is discharged
The following procedures may be used to start the hybrid sys-
tem if the vehicle’s 12-volt battery is discharged.
You can also call your Toyota de aler or a qualified repair shop.
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5117-2. Steps to take in an emergency
7
When trouble arises
Connect the jumper cables according to the following procedure:Connect a positive jumper cable clamp to the exclusive jump
starting terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery termi nal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery term i-
nal on the s econd vehicle.
Connect the clamp at the other e nd of the negative cable to a
solid, stationary, unpainted meta llic point away from the exclusive
jump starting terminal and any moving parts, as shown in the
illustration.4
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5127-2. Steps to take in an emergency
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain at that lev el for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Open and close any of the doors of your vehicle with the power
switch off.
Maintain the engine speed of the second vehicle and turn the po wer
switch to ON mode, then st art the vehicle's engine.
Make sure the “READY” indicator comes on. If the indicator does
not come on, contact your Toyota dealer.
Once the hybrid system has started, remove the jumper cables in
the exact reverse order from which they were connected.
Close the exclusive jump starting terminal cover, and reinstall the
fuse box cover to it s original position.
Once the hybrid system starts, have the vehicle inspected at yo ur
Toyota dealer as soon as possible.5
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