Page 440 of 520
440 5-2. Steps to take in an emergency
Have the malfunction repaired immediately.After taking the specified steps to correct the suspected problem,
check that the warning message and light turn off.
Interior buzzerExterior buzzerWarning messageDetailsCorrection procedure
Once
(Comes on for 10 seconds.)
(Flashes) The electronic
key is not
detected when
attempting to
start the EV
system.
Confirm
the loca-
tion of the
electronic
key.
Once 3 times (Flashes)An open door
other than the
driver’s door is
closed while the
electronic key is
outside the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode.
Confirm
the loca-
tion of the
electronic
key.
Page 441 of 520
5
When trouble arises
441
5-2. Steps to take in an emergency
Once 3 times
(Flashes)An open door
other than the
driver’s door is
closed while the
electronic key is
outside the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode
with the shift
position in P.
Turn the
“POWER”
switch to
off or con-
firm the
location of
the elec-
tronic key.
Contin-
uous
(Flashes)The driver’s
door has been
opened with the
shift position in
a position other
than P and with-
out first turning
the “POWER”
switch off.
Put the
shift posi-
tion into P.
Once The electronic
key battery is
low.Replace
the bat-
tery.
(
P. 383)
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure
Page 465 of 520

5
When trouble arises
465
5-2. Steps to take in an emergency
If the EV (Electric Vehicle) system will not start
Reasons for the EV system not star ting vary depending on the situa-
tion. Check the following and pe rform the appropriate procedure:
■The EV system will not start even though the correct start-
ing procedure is being followed. ( P. 200)
One of the following may be the cause of the problem:
● The charging cable may be connected to the vehicle.
● The electronic key may not be functioning properly. ( P. 468)
● There may be a malfunction in the immobilizer system.
( P. 149)
● There may be a malfunction in the steering lock system.
● The EV system may be malfunct ioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malf unction, an interim measure is
available to start the EV system. ( P. 385)
● There may be a malfunction in th e P position control system.*
( P. 203)
*: It may not be possible to shift the shift position from P to other posi-
tions.
■The interior lights and headlights are dim, or the horn does
not sound or sounds at a low volume.
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 470)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.
Page 467 of 520
5
When trouble arises
467
5-2. Steps to take in an emergency
If you lose your keys
New genuine Toyota keys can be made by your Toyota dealer using
the other key and the key number stamped on your key number
plate.
Page 468 of 520

468
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors with the mechanical key
Use the mechanical key ( P. 94)
in order to perform the following
operations:
Locks all the doors
Unlocks all the doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again unlocks the other
doors.
Changing “POWER” switch modes and starting the EV system
Apply the brakes. Touch the Toyota emblem side of
the electronic key to the
“POWER” switch.
If any of the doors is opened and
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the start
function cannot detect the elec-
tronic key.
If communication between the electronic key and vehicle is inter-
rupted (P. 104) or the electronic key cannot be used because the
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors and back door can be
opened and the EV system can be started by following the procedure
below.
STEP 1
STEP 2
Page 469 of 520
5
When trouble arises
469
5-2. Steps to take in an emergency
To change “POWER” switch modes:
Within 10 seconds of the buzze
r sounding, release the brake
pedal and press the “POWER” switch. Modes can be changed
each time the switch is pressed. ( P. 202)
To start the EV system:
Press the “POWER” switch within 10 seconds of the buzzer
sounding, keeping the brake pedal depressed.
In the event that the EV system still cannot be operated, contact your
Toyota dealer.
■ Stopping the EV system
Set the parking brake, push the P position switch and press the “POWER”
switch as you normally do when stopping the EV 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. 383)
STEP 3
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500
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart key
system
(
P. 96) Smart key system On Off
Operation signal
(Emergency flashers)
On Off
Operation signal
(Buzzer) On Off
Wireless
remote con-
trol
(
P. 108) Wireless remote control On Off
Unlocking operation
Driver's door
unlocked in one step, all doors
unlocked in two steps All doors
unlocked in one step
Automatic door lock
function to be activated
if door is not opened
after being unlocked On Off
Time elapsed before
automatic door lock
function is activated if
door is not opened after
being unlocked 60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers) On Off
Door lock buzzer On Off
Operation signal
(Buzzer) On Off
Your vehicle includes a variety of
electronic features that can be
personalized to your preferen ces. Programming these preferences
requires specialized equipment and may be performed by your
Toyota dealer.
Some function settings are changed simultaneously with other functions
being customized. Contact your Toyota dealer.
Page 501 of 520
501
6-2. Customization
6
Vehicle specifications
Door lock
(
P. 110,
468) Unlocking using a key Driver's door
unlocked in one step, all doors
unlocked in two steps All doors
unlocked in one step
Automatic
light control
system
( P. 234) Light sensor sensitivity Level 3 Level 1 to 5
Time elapsed before
headlights automati-
cally turn off after doors
are closed
30 seconds0 second
60 seconds
90 seconds
Lights
(
P. 234) Daytime running light
system
On Off
Illumination
(
P. 293) Time elapsed before
lights turn off
15 seconds7.5 seconds
30 seconds
Operation when the
doors are unlocked On Off
Operation after the
“POWER” switch is
turned off On Off
Footwell lights On Off
Seat belt
reminder
(
P. 419) Vehicle speed linked
seat belt reminder
buzzer
On Off
ItemFunctionDefault settingCustomized
setting