2017 TOYOTA HIGHLANDER HYBRID battery

5818-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
Indicates a malfunction in the hybrid systemA buzzer also sounds.
→ Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates that the hybrid battery (traction battery)
is low A buzzer also sounds.
→ When stopping the vehicle for a long
period of time, shift the shift lever to P. The
battery cannot be charged with the shift
lever in N.
Indicates a malfunction in the EPS (Electric
Power Steering) system
A buzzer also sounds.
→ Have the vehicle inspect ed by your Toyota
dealer.
Indicates that the vehicle is being driven at 3 mph (5
km/h) or more with the parking brake still engaged
A buzzer also sounds.
→ Release the parking brake.
Warning messageDetails/Actions
(Flashes)
(U.S.A.) (Canada) (Flashes)

5898-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
Indicates that the EV drive mode is not avail-
able
*2
The reason the EV drive mode is not available
(the vehicle is idling, hybrid battery [traction
battery] charge is low, speed is higher than the
EV drive mode operating speed range, acceler-
ator pedal is depressed too much) may be dis-
played.
A buzzer also sounds.
→ Use the EV drive mode when it becomes
available.
Warning messageDetails/Actions

5908-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
*1: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
*2: For the EV drive mode operating conditions: →P. 231
■Messages displays
The message illustrations used are intended as examples, and may differ
from the image that is actually displayed on the multi-information display.
■ Conditions that the tire pressure warning system may not function prop-
erly
→P. 528
■ Warning buzzer
→P. 573
Indicates that the EV drive mode has been auto-
matically canceled
*2
The reason the EV drive mode is not available
(the hybrid battery [traction battery] charge is
low, speed is higher than the EV drive mode
operating speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
→ Drive the vehicle for a while.
Warning messageDetails/Actions

5938-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
OnceContin-
uous
An attempt was made to lock
either front door by opening a
door and putting the inside lock
button into the lock position,
then closing the door with the
electronic key still inside the
vehicle.
→Retrieve the electronic key
from the vehicle and lock
the doors again.
Once⎯
The electronic key has a low
battery.
→Replace the electronic key
battery. ( →P. 539)
Once⎯
The steering lock could not be
released within 3 seconds of
the power switch being
pressed.
→Press the power switch
while depressing the brake
pedal and moving the
steering wheel left and
right.
Once⎯
Indicates a malfunction in the
smart key system
→Have the vehicle inspected
by your Toyota dealer.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

6218-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. ( →P. 624)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● There may be a malfunction in the immobilizer system. (→P. 9 1 )
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. (→ P. 622)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( →P. 626)
● The 12-volt battery terminal connections may be loose or corroded.
(→ P. 517)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on
the situation. Check the follo wing and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( →P. 225)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

6228-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( →P. 626)
● One or both of the 12-volt batter y terminals may be disconnected.
( → P. 517)
Contact your Toyota dealer if the problem cannot be repaired, or if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to star t the hybrid system if the power
switch is functioning normally.
Do not use this starting procedure except in cases of emergency.
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer.
The interior lights and headlight s do not turn on, or the horn
does not sound.
Emergency start function
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6238-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
Use the mechanical key (→P.
121) in order to perform the fol-
lowing 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
properly
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, push but-
ton start 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.
Locking and unlocking the doors and key linked functions
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6258-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_HV_U (OM48F12U)
■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when
stopping the hybrid 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. 539)
■ Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( →P. 226)
■ 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. 666)
● 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.
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