Page 621 of 716

6218-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting procedures.
( P. 225, 228)
● There may be a malfunction in the engine immobilizer system.
( P. 80)
One of the following may be the cause of the problem:
● The battery may be discharged. ( P. 627)
● The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical
problem such as electronic key battery depletion or a blown fuse.
However, an interim measure is available to start the engine.
( P. 621)
If the engine will not start
If the engine will not start even though correct starting proce-
dures are being followed ( P. 225, 228), consider each of the fol-
lowing points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with a smart key
system)
Page 622 of 716

6228-2. Steps to take in an emergency
HIGHLANDER_U (OM48F09U)
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 627)
● There may be a malfunction in the steering lock system.
Contact your Toyota dealer if the problem cannot be repaired, or if repair
procedures are unknown.
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is functioning
normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the v ehicle inspected by your Toyota
dealer.
The starter motor does not turn ov er, the interior lights and head-
lights do not turn on, or the horn does not sound.
Emergency start function (vehicles with a smart key system)
1
2
3
4
Page 623 of 716
6238-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
Set the parking brake.
Vehicles without a smart key system: Turn the engine switch to the
“ACC” position.
Vehicles with a smart key system: Turn the engine switch to
ACCESSORY mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or equivalent tool.
To prevent damage to the cover,
cover the tip of the screwdriver with
a rag.
Press the shift lock override
button.
The shift lever can be shifted while
the button is pressed.
If the shift lever cannot be shifted from P
If the shift lever cannot be sh ifted with your foot on the brake
pedal, there may be a problem with the shift lock system (a sys-
tem to prevent accidental operation of the shift lever). Have the
vehicle inspected by your Toyota dealer immediately.
The following steps may be used as an emergency measure to
ensure that the shift lever can be shifted:
1
2
3
4
5
Page 624 of 716

6248-2. Steps to take in an emergency
HIGHLANDER_U (OM48F09U)
Use the mechanical key (P. 1 1 4 )
in order to perform the following
operations:
Locks all the doors
Closes the windows and moon
roof
*1 (turn and hold)*2
( P. 179, 182)
Unlocks the door
Turning the key rearward unlocks the driver’s door. Turning the key once
again within 5 seconds unlocks the other doors.
Opens the windows and moon roof*1 (turn and hold)*2
( P. 179, 182)
*1: If equipped
*2: This setting must be customized at your Toyota dealer.
If the electronic key does not operate prop-
erly (vehicles with a smar t key system)
If communication between the electronic key and vehicle is
interrupted ( P. 149) 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
can be opened and the engine ca n be started by following the
procedure below.
Locking and unlocking the doors and key linked functions
1
2
3
4
Page 625 of 716
6258-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
engine switch.
When the electronic key is
detected, a buzzer sounds and the
engine switch will turn to IGNITION
ON mode.
When the smart key system is
deactivated in customization set-
ting, the engine switch will turn to
ACCESSORY mode.
Firmly depress the brake pedal.
Vehicles with monochrome display:
Check that is shown on the multi-information display.
Vehicles with color display:
Check that and a message are shown on the multi-information dis-
play.
Press the engine switch.
In the event that the engine still c annot be started, contact your Toyota
dealer.
Starting the engine
1
2
3
4
Page 626 of 716

6268-2. Steps to take in an emergency
HIGHLANDER_U (OM48F09U)
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when
stopping the engine.
■ 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. 538)
■ Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 229)
■ 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. 668)
● Check if battery-saving mode is set. If it is set, cancel the function.
(P. 148)
WARNING
■ When using the mechanical key an d operating the power windows or
moon roof
Operate the power window or moon roof after checking to make sure 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 passengers to get caught in the power window or moon
roof.
3
Page 627 of 716
6278-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
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.
Vehicles with an alarm, confirm
that the master key (vehicles
without a smart key system) or
electronic key (vehicles with a
smart key system) is being car-
ried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked.
(P. 84)
Open the hood. ( P. 505)
Connect the jumper cables according to the following procedure:
2.7 L 4-cylinder (1AR-FE) engine
If the vehicle batter y is discharged
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call your Toyota de aler or a qualified repair shop.
1
2
3
Page 629 of 716
6298-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain at that level for approximately 5 minutes to
recharge the batter y of your vehicle.
Vehicles with a smart key system: Open and close any of the doors
of your vehicle with the engine switch off.
Vehicles without a smart key system:
Maintain the engine speed of the second vehicle and turn the
engine switch to the “ON” position, then start the vehicle's engine.
Vehicles with a smart key system:
Maintain the engine speed of the second vehicle and turn the
engine switch to IGNITION ON mode, then start the vehicle's
engine.
Once the vehicle’s engine has started, remove the jumper cables in
the exact reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at your Toyota
dealer as soon as possible.4
5
6
7