Page 553 of 732

5537-3. Do-it-yourself maintenance
7
Maintenance and care
HIGHLANDER_U
■Use a CR2016 (vehicles without a smart key system) or CR2032 (v ehicles
with a smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, local electri cal appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) and wireless remote control will not
function properly.
● The operational range will be reduced.
WARNING
■Removed battery a nd other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
NOTICE
■ 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 cont rol.
● Do not bend either of the battery terminals.
Page 557 of 732

5577-3. Do-it-yourself maintenance
7
Maintenance and care
HIGHLANDER_U
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 558)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
■ When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be
unusable.
WARNING
■ To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your
Toyota dealer as soon as possible.
Page 571 of 732

5717-3. Do-it-yourself maintenance
7
Maintenance and care
HIGHLANDER_U■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replac
ed by
your Toyota dealer.
● Side turn signal lights
● Daytime running lights/ parking lights (LED type)
● Front fog lights (LED type)
● Stop lights
● Rear side marker lights
● Stop/tail lights
● High mounted stoplight
● Outer foot lights (if equipped)
■LED light bulbs
The side turn signal lights, daytime running lights/parking lig hts (LED type),
front fog lights (LED type), stop lights, rear side marker ligh ts, stop/tail lights,
high mounted stoplight and outer foot lights (if equipped) consist of a number
of LEDs. If any of the LEDs burns out, take your vehicle to you r Toyota dealer
to have the light replaced.
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction.
Contact your Toyota dealer for more information in the followin g situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the headlight.
■ When replacing light bulbs
P. 557
WARNING
■Replacing light bulbs
● Turn off the lights. Do not attempt to replace the bulb immedia tely after
turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clea n dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Fa ilure to do so
may result in heat damage, fire, or water entering the headligh t unit. This
may damage the headlights or cause condensation to build up on the lens.
■ To prevent damage or fire
Make sure bulbs are fully seated and locked.
Page 573 of 732
573
8When trouble arises
HIGHLANDER_U8-1. Essential information
Emergency flashers .......... 574
If your vehicle has to be stopped in an
emergency ...................... 575
8-2. Steps to take in an emergency
If your vehicle needs to be towed ..................... 577
If you think something is wrong .......................... 581
Fuel pump shut off system ............................ 582
If a warning light turns on or a warning buzzer
sounds ............................ 583
If a warning message is displayed ..................... 593
If you have a flat tire.......... 610
If the engine will not start ................................. 635
If the electronic key does not operate
properly ........................... 637
If the vehicle battery is discharged ................... 640
If your vehicle overheats ........................ 646
If the vehicle becomes stuck ............................... 649
Page 576 of 732
5768-1. Essential information
HIGHLANDER_U
WARNING
■If the engine has to be tu rned off while driving
● Power assist for the brakes and steering wheel will be lost, ma king the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.
● Vehicles without a smart key system: Never attempt to remove the key, as
doing so will lock the steering wheel.
Page 579 of 732
5798-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U
If you use chains or cables to tie
down your vehicle, the angles
shaded in black must be 45.
Do not overly tighten the tie
downs or the vehicle may be dam-
aged.
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■ When towing the vehicle
2WD models: Be sure to transport the
vehicle with the front wheels raised or
with all four wheels raised off the ground.
If the vehicle is towed with the front
wheels contacting the ground, the drive-
train and related parts may be damaged.
AWD models: Be sure to transport the
vehicle with all four wheels raised off the
ground. If the vehicle is towed with the
tires contacting the ground, the drivetrain
or related parts may be damaged, the
vehicle may fly off the truck.
Page 583 of 732

5838-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U
If a warning light turns on or a war ning
buzzer sounds
Calmly perform the following actions if any of the warning ligh ts
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and w arning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning li ght (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system.
Have the vehicle inspected by your Toyota dealer
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
Have the vehicle inspected by your Toyota dealer
immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
Have the vehicle inspected by your Toyota dealer
immediately.
Page 584 of 732

5848-2. Steps to take in an emergency
HIGHLANDER_U
(U.S.A.)
(Canada)Parking brake warning light (warning buzzer)*2
Indicates that the parking brake is engaged
Release the parking brake.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
Have the vehicle inspected by your Toyota dealer
immediately.
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system;
• The Trailer Sway Control;
• The hill-start assist control system; or
• The downhill assist control system
*3
The light will flash when the VSC, TRAC or Trailer Sway
Control
system is operating.
Have the vehicle inspected by your Toyota dealer
immediately.
Low fuel level warning light
Indicates that remaining fuel is approximately 2.9 gal.
(10.7 L, 2.4 Imp. gal.) or less
Refuel the vehicle.
Driver’s and front passenger’ s seat belt reminder light
(warning buzzer)
*4
Warns the driver and/or front passenger to fasten their
seat belts
Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.
Rear seat seat belt remind er lights (warning buzzer)*5
Warns the second and/or third seat passengers to fasten
their seat belts. An indicator corresponding to an unfas-
tened second or third seat seat belt will illuminate.
Fasten the seat belt.
Warning lightWarning light/Details/Actions