2021 TOYOTA HIGHLANDER HYBRID alarm

1463-2. Opening, closing and locking the doors
HIGHLANDER HV_U
■Antenna locationAntennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage
compartment
■Effective range (areas within
which the electronic key is
detected)
When locking or unlocking the
doors
The system can be operated when
the electronic key is within about 2.3
ft. (0.7 m) of an outside front door
handle and back door. (Only the
doors detecting the key can be
operated.)
When starting the hybrid system
or changing power switch
modes
The system can be operated when
the electronic key i s inside the vehi-
cle.
■Alarms and warning messages
A combination of exterior and inte-
rior alarms as well as warning mes-
sages shown on the
multi-information di splay are used to
prevent theft of the vehicle and acci-
dents resulting from erroneous
operation. Take appropriate mea-
sures in response to any warning
message on the m ulti-information
display. ( P.476)
When only an alarm sounds, cir-
cumstances and correction proce-
dures are as follows.
●When an exterior alarm sounds
once for 5 seconds
Smar t key system
The following operations
can be performed simply by
carrying the electronic key
on your person, for example
in your pocket. The driver
should always carry the
electronic key.
 Locks and unlocks the
doors ( P.131)
 Locks and unlocks the back
door ( P.136)
 Starts and stops the hybrid
system ( P.213)

1473-2. Opening, closing and locking the doors
3
Before driving
HIGHLANDER HV_U
●When an interior alarm sounds
continuously
■Battery-saving function
The battery-saving function will be
activated in order to prevent the
electronic key battery and the
12-volt battery from being dis-
charged while the vehicle is not
operated for a long time.
●In the following situations, the
smart key system may take some
time to unlock the doors.
• The electronic key has been left in
an area of approximately 6 ft. (2
m) of the outside of the vehicle for
10 minutes or longer.
• The smart key system has not been used for 5 days or longer.
●If the smart key system has not
been used for 14 days or longer,
the doors canno t be unlocked at
any doors except the driver’s door.
In this case, take hold of the
driver’s door handle, or use the wireless remote c
ontrol or the
mechanical key, to unlock the
doors.
■Turning an electronic key to
battery-saving mode
When battery-saving mode is set,
battery depletion is minimized by
stopping the electronic key from
receiving radio waves.
Press twice while pressing and
holding . Confirm that the elec-
tronic key indicator flashes 4 times.
While the battery-saving mode is
set, the smart key system cannot be
used. To cancel the function, press
any of the electronic key buttons.
■Conditions affecting operation
The smart key system uses weak
radio waves. In the following situa-
tions, the communication between
the electronic key and the vehicle
may be affected, preventing the
smart key system, wireless remote
control and immobilizer system from
operating proper ly. (Ways of cop-
ing: P.496)
●When the electronic key battery is
depleted
●Near a TV tower, electric power
plant, gas station, radio station,
large display, airpo rt or other facil-
ity that generates strong radio
waves or electrical noise
●When the electronic key is in con-
tact with, or is c overed by the fol-
lowing metallic objects
• Cards to which aluminum foil is
attached
• Cigarette boxes that have alumi- num foil inside
SituationCorrection
procedure
An attempt was
made to lock the
vehicle while a door
was open.Close all of
the doors
and lock the
doors again.
SituationCorrection procedure
The power switch
was turned to ACC
while the driver’s
door was open (or
the driver’s door was
opened while the
power switch was in
ACC).
Turn the
power
switch off
and close
the driver’s
door.
The power switch
was turned off while
the driver’s door was
open.Close the
driver’s
door.

1493-2. Opening, closing and locking the doors
3
Before driving
HIGHLANDER HV_Utery-saving mode to disable the
smart key system. (
P.147)
●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 the alarm, lock all
the doors.
●The lock sensor may not work
properly if it com es into contact
with ice, snow, mud, etc. Clean
the lock sensor and attempt to
operate it again, or use the lock
sensor on the lower part of the
door handle.
●A sudden handle operation or a
handle operation immediately
after entering the effective range
may prevent the doors from being
unlocked. Touch the door unlock
sensor and check that the doors
are unlocked bef ore 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.
■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.530)
●Setting the electronic key to bat-
tery-saving mode helps to reduce
key battery depletion. ( P.147)
■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
If the doors cannot be
locked/unlocked using the smart key
system, lock/unlock the doors by
performing any of the following:
●Bring the electronic key close to
either front door handle and oper-
ate the entry function.
●Operate the wireless remote con-
trol.
If the doors cannot be
locked/unlocked using the above
methods, use the mechanical key.
(  P.496)
If the hybrid system cannot be
started using the smart key system,
refer to P.497.
■Customization
Some functions can be customized.
(  P.530)
■If the smart key system has
been deactivated in a custom-
ized setting
●Locking and unlocking the doors:
Use the wireless remote control or
mechanical key. ( P.131, 496)
●Starting the hybr id system and
changing power switch modes:
 P. 4 9 7
●Stopping the hybrid system:
P. 2 1 5

4997-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER HV_U
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.
1Confirm that the electronic
key is being carried.
Vehicles with an alarm: When con-
necting the jumper (or booster)
cables, depending on the situation,
the alarm may acti vate and doors
locked. ( P.82)
2 Open the hood ( P.414) and
fuse box cover.
3 Open the exclusive jump
starting terminal cover.
4 Connect a positive jumper cable clamp to on your vehicle and
connect the clamp on the other end of the positive cable to on
the second vehicle. Then, connect a negative cable clamp to Restarting the hybrid sys-
tem

557What to do if... (Troubleshooting)
HIGHLANDER HV_U
Is the power switch in ON?
If you cannot release the shift lever
by depressing the brake pedal with
the power switch in ON ( P.221)
 It is locked automatically to
prevent theft of the vehicle.
( P.214)
 Is the window lock switch
pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the win dow lock switch
is pressed. ( P.181)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON (the
hybrid system is not operat-
ing) for a period of time.
( P.216)
 The seat belt reminder light is flashing
Are the driver and the passengers
wearing the seat belts? (
P.469)
 The parking brake indicator is
on
Is the parking br ake released?
(  P.224)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.466, 476)
 Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the alarm
sounds. ( P. 8 1 )
Do one of the following to stop
the alarms:
 Unlock the doors.
 Turn the power switch to ACC
or ON, or start the hybrid sys-
tem.
 Is the message displayed on
the multi-information display?
Check the message on the
multi-informat ion display. (P.476)
The shift lever cannot be
shifted from P even if you
depress the brake pedal
The steering wheel can-
not be turned after the
hybrid system is stopped
The windows do not open
or close by operating the
power window switches
The power switch is
turned off automatically
A warning buzzer sounds
during driving
An alarm is activated and
the horn sounds (vehicles
with an alarm)
A warning buzzer sounds
when leaving the vehicle
A warning light turns on
or a warning message is
displayed

559Alphabetical Index
HIGHLANDER HV_U
Alphabetical Index
A
A/C ........................................... 342Air conditioning filter ............. 439
Automatic air conditioning sys-tem ..................................... 342
Eco air conditioning mode .... 349
Front seat concentrated airflow mode (S-FLOW) ................. 351
Rear automatic air conditioning system ................................ 354
ABS (Anti-lock Brake System) ............................................... 325Warning light ........................ 468
ACA (Active Cornering Assist) ............................................... 325
Active Cornering Assist (ACA) ............................................... 325
Adaptive Front-lighting System (AFS)...................................... 231
AFS (Adaptive Front-lighting System) ................................. 231
AHB (Automatic High Beam) . 232
Air conditioning filter ............. 439
Air conditioning system ........ 342 Air conditioning filter ............. 439
Automatic air conditioning sys-tem ..................................... 342
Eco air conditioning mode .... 349
Front seat concentrated airflow mode (S-FLOW) ................. 351
Rear automatic air conditioning system ................................ 354
Airbags Airbag operating conditions.... 36
Airbag precautions for your child............................................. 39
Correct driving posture ........... 25
Curtain shield airbag operating conditions ............................. 37
Curtain shield airbag precautions ............................................. 39 Front passenger occupant clas-
sification system ...................43
General airbag precautions ....39
Locations of airbags ...............34
Modification and disposal of air- bags......................................42
Side airbag operating conditions .............................................37
Side airbag precautions..........39
Side and curtain shield airbags operating conditions .............37
Side and curtain shield airbags precautions ...........................39
SRS airbags ...........................34
SRS warning light .................468
Alarm .........................................81 Warning buzzer ....................466
Anchor brackets ... ..............52, 62
Antennas (smart key system)146
Anti-lock Brake System (ABS) ...............................................325Warning light.........................468
Approach warning ..................278
Armrest ......... ......................... ..382
Assist grips .............................382
Audio system-linked display .96, 106
Automatic air conditioning sys- tem .........................................342Eco air conditioning mode ....349
Automatic headlight leveling system ...................................230
Automatic High Beam ............232
Automatic light control system ...............................................230
Auxiliary boxes ...............368, 373
Average fuel economy .....94, 102
Average vehicle speed .....96, 106
AWD Control .....................97, 106
B
Back door ................................135

570Alphabetical Index
HIGHLANDER HV_USeat heater switches ............ 358
Seat ventilator switches ....... 358
“SOS” button .......................... 65
Tilt and telescopic steering con-
trol switch ........................... 165
Tire pressure warning reset switch ................................. 431
Vehicle-to-vehicle distance switch ................................. 271
VSC OFF switch................... 326
Window lock switch .............. 181
Windshield defogger switch 344, 347
Windshield wiper and washer switch ......................... 235, 238
Windshield wiper de-icer switch ................................... 344, 352
T
Tachometer ............................... 89
Tail lights Light switch .......................... 229
Replacing light bulbs ............ 449
The Secondary Collision Brake ............................................... 326
Theft deterrent system Alarm ...................................... 81
Immobilizer system ................ 79
Tire inflati on pressure
Maintenance data................. 515
Tire inflation pressure display function............................... 426
Warning light ........................ 470
Tire information ...................... 520 Glossary ............................... 524
Size ...................................... 522
Tire identification number ..... 521
Uniform Tire Quality Grading 523
Tire pressure display ............. 426
Tire pressure warning system Function ............................... 426
Initializing ............................. 430 Installing tire p
ressure warning
valves and transmitters ......429
Registering ID codes ............433
Warning light.........................470
Tires Chains ..................................334
Checking ..............................424
If you have a flat tire .............481
Inflation pressure ..................436
Information ......... ..................520
Replacing .............................481
Rotating tires ........................426
Size ......................................515
Snow tires.............................333
Spare tire ..............................481
Tire inflation pressure display function ...............................426
Tire pressure w arning system
...........................................426
Warning light.........................470
Tools ........................................482
Top tether strap ........................62
Total load capacit y .................510
To w i n g Dinghy towing .......................212
Emergency towing ................461
Trailer towing ...... ..................201
Toyota Multi-operation touch 340
Toyota Safety Sense 2.5 + Automatic High Be am ...........232
Dynamic radar cruise control with full-speed range ..........271
LTA (Lane Tracing Assist) .....260
PCS (Pre-Collisio n System) .249
RSA (Road Sign Assist) ........283
TRAC (Traction Control) ........325
Traction battery (hybrid battery) Hybrid battery (tr action battery)
air vents ................................77
Location ..................................75
Specification .........................512
Warning message...................78