Page 494 of 618

4947-3. Do-it-yourself maintenance
minal facing up.
4When installing, reverse the
steps listed.
WARNING
■Battery precautions
Observe the following precau-
tions.
Failure to do so m ay 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
battery 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
batteries 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 your
Toyota dealer.
●If you accidentally swallow a
battery or put a b attery into a
part of your body, get emer-
gency medical attention imme-
diately.
■To prevent battery explosion
or leakage of flammable liq-
uid or gas
●Replace the batt ery with a new
battery of the same type. If a
wrong type of ba ttery is used, it
may explode.
●Do not expose batteries to
extremely low pr essure due to
high altitude or extremely high
temperatures.
●Do not burn, bre ak or cut a bat-
tery.
NOTICE
■When replacing the battery
Use a flathead screwdriver of
appropriate size. Applying exces-
sive 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
control.
●Do not bend either of the battery
terminals.
Page 537 of 618

5378-2. Steps to take in an emergency
8
When trouble arises
carefully and slowly.
■When the electronic key does
not work properly
●Make sure that the smart key sys-
tem has not been deactivated in
the customization setting. If it is
off, turn the function on.
(Customizable features: P.574)
●Check if battery-saving mode is
set. If it is set, cancel the function.
( P.218)
Use the mechanical key
( P.196) in order to perform the
If the electronic key
does not operate prop-
erly
If communication between
the electronic key and vehi-
cle is interrupted ( P.218)
or the electronic key cannot
be used because the battery
is depleted, the smart key
system 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 procedure
below.
NOTICE
■In case of a smart key system
malfunction, o r other key
related problems
Take your vehicle with all the
electronic keys provided with your
vehicle to your Toyota dealer.
Locking and unlocking
the doors
Page 573 of 618
5739-2. Customization
9
Vehicle specifications
■Door lock (P.198, 537)
■Smart key system and wireless remote control ( P.196, 217)
FunctionDefault settingCustomized
setting
Unlocking using a key
Driver’s door unlocked in
first step, all doors
unlocked in
second step
All doors
unlocked in first step
––O
Automatic door locking func-
tion
Shift position linked door
locking opera- tionOff
O–OSpeed linked door locking operation
Automatic door unlocking
function
Shift position linked door unlocking operationOff
O–ODriver’s door linked door unlocking operation
FunctionDefault settingCustomized setting
Operation signal (emer-
gency flashers)OnOffO–O
Operation buzzer volume5OffO–O1 to 7
Time elapsed before the
automatic door lock function
is activated if a door is not
opened after being unlocked
60 seconds
Off
O–O30 seconds
120 seconds
Open door reminder buzzer
(When locking the vehicle)OnOff––O
ABC
ABC
Page 574 of 618

5749-2. Customization
■Smart key system (P.217)
*: This setting can be changed when the smart door unlocking sett ing is set
to Driver’s door.
■Wireless remote control ( P.196)
*: If equipped
FunctionDefault settingCustomized
setting
Smart key systemOnOff––O
Smart door unlockingDriver’s doorAll the doorsO–O
Number of consecutive door
lock operations2 timesAs many as desired––O
Time elapsed before unlock-
ing all the door when gripping
and holding the driver’s door
handle
*
2 seconds
Off
––O1.5 seconds
2.5 seconds
Power switch illuminationOnOff––O
FunctionDefault settingCustomized setting
Wireless remote controlOnOff––O
Unlocking operation
Driver’s door unlocked in
first step, all doors
unlocked in
second step
All doors
unlocked in first step
O–O
Theft deterrent panic modeOnOff––O
Locking operation when door
openedOnOffO–O
The function that activates
the switch of the wire-
less remote control when
locking the door
* ( P.207)
On (Unlocking
all the door)
Off
––OOn (Unlocking back door only)
ABC
ABC
Page 575 of 618

5759-2. Customization
9
Vehicle specifications
■Rear seat reminder function (P.200)
■Power back door*1 ( P.207)
*1: If equipped
*2: The operation buzzer that sounds when the back door begins to operate
cannot be turned off.
*3: The open position is set by the power back door switch. ( P.216)
*4: When the towing hitch is installe d, Hands Free Power Back Door does
not work.
FunctionDefault settingCustomized setting
Rear seat reminder functionOnOff–O–
FunctionDefault settingCustomized setting
Power back door operationsOnOff–O–
Back door opener switch
operationsPress and holdOne short press––O
switch of the wireless
remote control operationPress and hold
One short press
––OPush twice
Off
Operation buzzer volume31–O–2
Operation buzzer while the
back door is operating
*2OffOn––O
Opening angle5
1 to 4
–O–
User setting*3
Power back door open oper-
ation when the back door
opener switch is pressed
OnOff––O
Back door closing assistOnOff––O
Hands Free Power Back
Door
*1, 4OnOff–OO
ABC
ABC
Page 576 of 618
5769-2. Customization
■Driving position memory* ( P.227)
*: If equipped
■Power windows, and moon roof* or panoramic moon roof*
( P.246, 249, 252)
*: If equipped
■Lights ( P.295)
FunctionDefault settingCustomized
setting
Selection the door linking
driving position memory with
door unlock operation
Driver’s doorAll doors––O
Function to prevent contact
between the head restraint
and ceiling (while moving to
memory location)
OnOff––O
FunctionDefault settingCustomized setting
Key linked operation (open)OffOn––O
Key linked operation (close)OffOn––O
Wireless remote control
linked operation (open)OffOn––O
Wireless remote control
linked operation signal
(buzzer)
OnOff––O
Side windows open warning
functionOnOff––O
Sliding roof open warning
function OnOff––O
FunctionDefault settingCustomized setting
Daytime Running Lights*1OnOffO–O
Light reminder buzzerOnOff––O
AFS (Adaptive Front-lighting
System)
*2OnOff––O
ABC
ABC
ABC
Page 580 of 618
5809-2. Customization
*: If equipped
■Automatic air conditioning system (P.396)
■Seat ventilators* ( P.407)
*: If equipped
■Remote Air Conditioning System ( P.405)
FunctionDefault settingCustomized
setting
A/C Auto switch operationOnOffO–O
Switching to t he outside air
mode when the vehicle is
parked
OnOff––O
FunctionDefault settingCustomized setting
Blower levelNormalDecrease––O
FunctionDefault settingCustomized setting
Operation using the “A/C”
button on the wireless
remote controlPress and hold (short)
Press once
––O
Press twice
Press and hold (long)
Off
Stopping operation using the
“A/C” button on the wireless
remote control
Press twice
Press once
––O
Press and hold (short)
Press and hold (long)
Off
ABC
ABC
ABC
Page 600 of 618

600Alphabetical Index
Warning light ........................ 513
Approach warning .................. 343
Armrest ................................... 434
Assist grips ............................. 434
AUTO EV/HV mode ................... 77
AUTO EV/HV mode switch....... 78
Automatic air conditioning sys- tem ......................................... 396“My Room Mode” ................. 144
Air conditioning filter ............. 483
Eco air conditioning mode .... 397
Front seat concentrated airflow mode (S-FLOW) ................. 402
Remote Air Conditioning System ........................................... 405
Automatic door locking and unlocking systems ............... 202
Automatic headlight leveling system ................................... 296
Automatic High Beam (AHB) . 298
Automatic light control system ............................................... 296
Auxiliary boxes ....................... 415
Average fuel consumption .... 189
Average fuel economy ........... 172
Average vehicle speed .. 176, 189
B
Back door ................................ 203 Hands Free Power Back Door........................................... 208
Power back door .................. 207
Wireless remote control ....... 207
Back-up lights Replacing light bulbs ............ 497
Wattage ................................ 556
Battery (12-volt battery) ......... 466 If the 12-volt battery is dis-charged .............................. 539
Preparing and c hecking before
winter.................................. 387
Replacing ............................. 542 Warning light ........................511
Battery (traction battery)..........87 Charging ...............................123
Location ..................................87
Specification .........................552
Blind Spot Monitor (BSM) ......347 Blind Spot Monitor function ..350
Rear Cross Traffic Alert function...........................................353
Bottle holders .........................415
Brake Brake Hold ............................293
Fluid......................................464
Parking brake .......................290
Regenerative braking .............82
Warning light ........................511
Brake assist ............................380
Brake Hold...............................293
Brake Override System ..........259
Break-in tips ............................259
Brightness control Instrument panel light control169
BSM (Blind Spot Monitor) ......347 Blind Spot Monitor function ..350
Rear Cross Traffic Alert function...........................................353
C
Care Aluminum wheels .................444
Exterior .................................444
Front camera ........................310
Interior ..................................447
Radar sensor ........................310
Seat belts .............................447
Water-repellent coating ........445
Cargo capacity ................265, 268
Cargo hooks............................417
Chains......................................389
Charging “My Room Mode” ..................144
AC charging cable ................102