change key battery TOYOTA VENZA HYBRID 2021 Owners Manual (in English)

791-5. Theft deterrent system
1
For safety and security
If a door is unlocked using the
mechanical key while the alarm is
set, a warning will sound intermit-
tently for approximately 10 sec-
onds.If the alarm is not canceled or
stopped during this time, the warn-
ing pattern change s and the warn-
ing sounds for a certain period of
time.
●A person inside the vehicle opens
a door or hood, or unlocks the
vehicle using an inside lock but-
ton.
●The 12-volt battery is recharged or
replaced when the vehicle is
locked. ( P.469)
■Alarm-operated door lock
In the following cases, depending
on the situation, th e door may auto-
matically lock to p revent improper
entry into the vehicle:
●When a person remaining in the
vehicle unlocks the door and the
alarm is activated.
●While the alarm i s activated, a
person remaining in the vehicle
unlocks the door.
●When recharging or replacing the
12-volt battery.
NOTICE
■To ensure the system oper-
ates correctly
Do not modify or remove the sys-
tem. If modified or removed, the
proper operation of the system
cannot be guaranteed.

1333-2. Opening, closing and locking the doors
3
Before driving
a door other than the door you are
locking is open, a buzzer sounds
continuously for 5 seconds. Fully
close all the doors, and lock the
vehicle once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm
system. ( P.78)
■Conditions affect ing the opera-
tion of the smart key system or
wireless remo te control
 P.150
■If the smart key system or the
wireless remote control does
not operate properly
●Use the mechanical key to lock
and unlock the doors. ( P.467)
●Replace the key battery with a
new one if it is depleted. ( P.425)
■If the 12-volt battery is dis-
charged
The doors cannot be locked and
unlocked using the smart key sys-
tem or wireless remote control. Lock
or unlock the doors using the
mechanical key. ( P.467)
■Rear seat reminder function
●In order to remind you not to for-
get luggage, etc. in the rear seat,
when the power switch is turned to
OFF after any of the following con-
ditions are met, a buzzer will
sound and a mess age will be dis-
played on the multi-information
display for approximately 6 sec-
onds.
• The hybrid system is started within 10 minutes after opening
and closing a rear door.
• A rear door has been opened and closed after the hybrid system
was started.
However, if a rear door is opened
and then closed within approxi-
mately 2 seconds , the rear seat
reminder function may not operate.
●The rear seat reminder function determines that luggage, etc. has
been placed in a rear seat based
on opening and closing of a rear
door. Therefore, depending on the
situation, the rear seat reminder
function may not operate and you
may still forget luggage, etc. in the
rear seat, or it may operate unnec-
essarily.
●The rear seat reminder function
can be enabled/disabled.
(
 P.506)
■Customization
Settings (e.g. unlocking function
using a key) can be changed.
(Customizable features: P.504)
WARNING
■To prevent an accident
Observe the following precautions
while driving the vehicle.
Failure to do so may result in a
door opening and an occupant
could be thrown out of the vehicle,
resulting in dea th or serious
injury.
●Ensure that all doors are prop-
erly closed and locked.
●Do not pull the inside handle of
the doors while driving.
Be especially careful for the
front doors, as the doors may
be opened even if the inside
lock buttons are in locked posi-
tion.
●Set the rear door child-protector
locks when children are seated
in the rear seats.

1513-2. Opening, closing and locking the doors
3
Before driving
■Note for the entry function
●Even when the electronic key is
within the effective range (detec-
tion areas), the system may not
operate properly in the following
cases:
• The electronic key is too close to the window or outside door han-
dle, near the ground, or in a high
place when the doors are locked
or unlocked.
• The electronic key is on the instru- ment panel, luggage cover or
floor, or in the door pockets or
glove box when the hybrid system
is started or po wer switch modes
are changed.
●Do not leave the electronic key on
top of the instrument panel or near
the door pockets when exiting the
vehicle. Depending on the radio
wave reception conditions, it may
be detected by the antenna out-
side the cabin and the door will
become lockable from the outside,
possibly trapping the electronic
key inside the vehicle.
●As long as the electronic key is
within the effective range, the
doors may be locked or unlocked
by anyone. However, only the
doors detecting the electronic key
can be used to unl ock the vehicle.
●Even if the electronic key is not
inside the vehicle, it may be possi-
ble to start the hybrid system if the
electronic key is near the window.
●The doors may unlock if a large
amount of water splashes on the
door handle, such as in the rain or
in a car wash when the electronic
key is within the effective range.
(The doors will automatically be
locked after approximately 60 sec-
onds if the doors are not opened
and closed.)
●If the wireless remote control is
used to lock the doors when the
electronic key is near the vehicle,
there is a possib ility that the door
may not be unlocke d by the entry
function. (Use the wireless remote control to unlock the doors.)
●Touching the door lock sensor
while wearing gloves may delay or
prevent lock operation. Remove
the gloves and touch the lock sen-
sor again.
●When the lock operation is per-
formed using the lock sensor, rec-
ognition signals will be shown up
to two consecutive times. After
this, no recognition signals will be
given.
●If the door handle becomes wet
while the electronic key is within
the effective range, the door may
lock and unlock repeatedly. In that
case, follow the
following correc-
tion procedures to wash the vehi-
cle:
• Place the electronic key in a loca- tion 6 ft. (2 m) or more away from
the vehicle. (Take care to ensure
that the key is not stolen.)
• Set the electronic key to battery-
saving mode to disable the smart
key system. ( P.150)
●If the electronic key is inside the
vehicle and a door handle
becomes wet during a car wash, a
message may be shown on the
multi-information display and a
buzzer will sound outside the vehi-
cle. To turn off th e alarm, lock all
the doors.
●The lock sensor may not work
properly if it comes into contact
with ice, snow, m ud, etc. Clean
the lock sensor and attempt to
operate it again.
●A sudden approach to the effec-
tive range or door handle may pre-
vent the doors from being
unlocked. In this case, return the
door handle to the original position
and check that t he doors unlock
before pulling the door handle
again.
●If there is another electronic key in
the detection area, it may take
slightly longer to unlock the doors
after the door handle is gripped.

1523-2. Opening, closing and locking the doors
■When the vehicle is not driven
for extended periods
●To prevent theft of the vehicle, do
not leave the electronic key within
6 ft. (2 m) of the vehicle.
●The smart key system can be
deactivated in advance. ( P.505)
●Battery-saving mode can reduce
the power consumption of elec-
tronic keys. ( P.150)
■To operate the system properly
Make sure to carry the electronic
key when operating the system. Do
not get the electronic key too close
to the vehicle when operating the
system from the ou tside of the vehi-
cle.
Depending on the position and hold-
ing condition of the electronic key,
the key may not be detected cor-
rectly and the system may not oper-
ate properly. (The alarm may go off
accidentally, or the door lock pre-
vention may not operate.)
■If the smart key system does
not operate properly
●Locking and unlocking the doors:
Use the mechanical key.
(  P.467)
●Starting the hybrid system:
P.468
■Customization
Settings (e.g. smart key system)
can be changed.
(Customizable features: P.505)
If the smart key system has been
deactivated in a customized setting,
refer to the explanations for the fol-
lowing operations.
●Locking and unlocking the doors:
Use the wireless remote control or
mechanical key. ( P.131, 467)
●Starting the hybr id system and
changing power switch modes:
 P.468
●Stopping the hybrid system:
P.198
■Certification for the smart key system
For vehicles sold in the U.S.A. , Hawaii, Guam, Saipan and Puert o Rico

1984-2. Driving procedures
■When “Check Fuel Cap” is dis-
played on the multi-information
display
 P.228
■If the hybrid system is malfunc-
tioning
 P.76
■Electronic key battery
 P.425
■Operation of the power switch
●If the switch is not pressed shortly
and firmly, the power switch mode
may not change or the hybrid sys-
tem may not start.
●If attempting to re start the hybrid
system immediately after turning
the power switch to OFF, the
hybrid system ma y not start in
some cases. After turning the
power switch to OFF, please wait
a few seconds before restarting
the hybrid system.
■Customization
If the smart key system has been
deactivated in a customized setting,
refer to P.468.
1 Stop the vehicle completely.
2 If the parking brake is in man-
ual mode, set the parking
brake. ( P.208)
Check the parking brake indicator
is illuminated.
3 Shift the shift position to P.
( P.205)
4 Press the power switch
shortly and firmly.
The hybrid system will stop, and the
meter display will be extinguished.
Release the shift lever when press-
WARNING
■When starting the hybrid sys-
tem
Always start the hybrid system
while sitting in the driver’s seat.
Do not depress the accelerator
pedal while starting the hybrid
system under any circumstances.
Doing so may cause an accident
resulting in dea th or serious
injury.
■Caution while driving
If hybrid system failure occurs
while the vehicle is moving, do not
lock or open the doors until the
vehicle reaches a safe and com-
plete stop. Activation of the steer-
ing lock in this c ircumstance may
lead to an accident, resulting in
death or serious injury.
NOTICE
■When starting the hybrid sys-
tem
If the hybrid system becomes diffi-
cult to start, have your vehicle
checked by your T oyota dealer
immediately.
■Symptoms indicating a mal-
function with the power
switch
If the power switch seems to be
operating somewhat differently
than usual, such as the switch
sticking slightly, there may be a
malfunction. Contact your Toyota
dealer immediately.
Stopping the hybrid sys-
tem

3355-2. Using the interior lights
5
Interior features
tronic key, whether the doors are
locked/unlocked, and whether the
doors are opened/closed.
●If the interior lights remain on
when the power switch is turned to
OFF, the lights will go off automat-
ically after 20 minutes.
■Interior lights brightness reduc-
tion
The brightness of the following
lights will be reduc ed when shifting
the shift lever to any position other
than P.
●Instrument panel lower illumina-
tion (if equipped)
●Footwell lights (if equipped)
●Upper console lights (if equipped)
●Front console light
●Inside door handle lights (if
equipped)
■The interior lights will turn on
automatically when
If any of the SRS airbags deploy
(inflate) or in the event of a strong
rear impact, the interior lights will
turn on automatically.
The interior lights will turn off auto-
matically after approximately 20
minutes.
The interior lights can be turned off
manually. However, in order to help
prevent further collisions, it is rec-
ommended that they be left on until
safety can be ensured.
(The interior light s may not turn on
automatically depending on the
force of the impact and conditions of
the collision.)
■Customization
Setting (e.g. the time elapsed before
the lights turn off) can be changed.
(Customizable features: P.512)
■Front interior lights
Turns the lights on/off
The rear interior light also turns
on/off.
However, when the rear interior
light has already been turned on, it
will not be controlle d by front inte-
rior light operations.
Vehicles without panoramic
fixed moon roof with one-
touch frosted glass control
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the lights on longer
than necessary when the hybrid
system is off.
Operating the interior
lights

4697-2. Steps to take in an emergency
7
When trouble arises
played on the multi-informa-
tion display.
*1: Vehicles with 4.2-inch display
*2: Vehicles with 7-inch display
4Press the power switch
shortly and firmly.
In the event that the hybrid system
still cannot be started, contact your
Toyota dealer.
■Stopping the hybrid system
Shift the shift lever to P, set the
parking brake and press the power
switch as you no rmally do when
stopping the hybrid system.
■Replacing the key battery
As the above proc edure is a tempo-
rary measure, it is recommended
that the electronic key battery be
replaced immediate ly when the bat-
tery is depleted. ( P.425)
■Changing 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.200)
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 following the steps below.
1 Vehicles with alarm: Confirm
that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and the doors locked. ( P.79)
2 Open the hood ( P.385) and
fuse box cover.
Push claw and to com-
pletely release the lock, and then lift
If the 12-volt battery is
discharged
The following procedures
may be used to start the
hybrid system if the vehi-
cle’s 12-volt battery is dis-
charged.
You can also call your
Toyota dealer or a qualified
repair shop.
Restarting the hybrid sys-
tem
AB