lights TOYOTA SEQUOIA 2021 (in English) Repair Manual

4506-3. Do-it-yourself maintenance
SEQUOIA_OM_USA_OM0C035U
■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. 451)
● 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.

4516-3. Do-it-yourself maintenance
6
Maintenance and care
SEQUOIA_OM_USA_OM0C035U
Light bulbs
Check the wattage of the light bulb to be replaced. ( P. 530)
■Rear
You may replace the following bulbs by yourself. The difficulty
level of replacement varies depending on the bulb. If necessary
bulb replacement seems diffic ult to perform, contact your
Toyota dealer.
For more information about replacing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement
Bulb locations
Stop/tail and rear side marker
lights
Rear turn signal lights
Back-up lights Tail lights
License plate light

4526-3. Do-it-yourself maintenance
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Stop/tail, rear side marker light
s and rear turn signal lights
Open the back door and remove the cover.
To protect the cover, place a rag between the flathead screwdri ver or
equivalent and cover as shown in the illustrations.
Left side (vehicles without speaker in the luggage)
Replacing light bulbs
1
Right sideLeft side (vehicles with
speaker in the luggage)

4546-3. Do-it-yourself maintenance
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Tail lights, back-up lights
Vehicles with power back
door only: Remove the cov-
ers.
To protect the cover, place a rag
between the flathead screw-
driver or equivalent and cover
as shown in the illustrations.
Remove the nuts.
Remove the rear combina-
tion light assembly in the
order shown in the illustra-
tion.
1
2
3

4566-3. Do-it-yourself maintenance
SEQUOIA_OM_USA_OM0C035U■
License plate lights
Remove the screws and
lens.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3

4576-3. Do-it-yourself maintenance
6
Maintenance and care
SEQUOIA_OM_USA_OM0C035U■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replac
ed by
your Toyota dealer.
● Headlight low beams
● Headlight high beams
● Front side marker lights
● Daytime running lights
● Parking lights
● Front turn signal lights
● Front fog lights
● Side turn signal lights (if equipped)
● High mounted stoplight
● Outer foot lights (if equipped)
■LED light bulbs
The following lights consist of a number of LEDs. If any LEDs burn out, take
your vehicle to your Toyota dealer to have the light replaced.
●Headlight low beams
● Headlight high beams
● Front side marker lights
● Daytime running lights
● Parking lights
● Front turn signal lights
● Front fog lights
● Side turn signal lights (if equipped)
● High mounted stoplight
● Outer foot lights (if equipped)
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the lens does not indicate a
malfunction. Contact your Toyota dealer for more information in the following
situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the lens.

4586-3. Do-it-yourself maintenance
SEQUOIA_OM_USA_OM0C035U
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.
● Do not attempt to repair or disassemble light bulbs, connectors , electric
circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.

4767-2. Steps to take in an emergency
SEQUOIA_OM_USA_OM0C035U
WARNING
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your To y o t a
dealer. The vehicle will become extremely unstable during braki ng, and
the ABS system may fail, which could cause an accident resultin g in
death or serious injury.
■When the power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating , hold
firmly and operate using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust t he tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inf lation pres-
sure adjustment, it is probable that you have a flat tire. Chec k the tires.
If a tire is flat, change it with the spare tire and have the f lat tire
repaired by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires dete riorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

4837-2. Steps to take in an emergency
7
When trouble arises
SEQUOIA_OM_USA_OM0C035U
Indicates the following:• The brake fluid level is low; or
• The brake system is malfunctioning.
 Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates remaining fuel is approximately 4.0 gal.
(15.0 L, 3.3 Imp.gal.) or less
A buzzer also sounds.
 Refuel the vehicle.
Indicates that the tire inflation pressure is low
Check the tire inflation pressure, and
adjust to the appropriate level.
Indicates that the washer fluid level is low
 Add washer fluid.
Indicates that intuitive parking assist sensor is
dirty or covered with ice (if equipped)
Clean the sensor.
Indicates that the headlight switch is in or
position (with the key removed and the
driver’s door opened) A buzzer also sounds.
 Turn the lights off.
Indicates that the moon roof is not fully closed
(with the engine switch off, and the driver’s door
open)
A buzzer also sounds.
 Close the moon roof.
Indicates that all maintenance according to the
driven distance on the maintenance schedule
*
should be performed soon.
Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perfo rm maintenance.
Warning messageDetails/Actions
Check Brake System
Fuel Low
Tire Pressure Low
Check Tire
Windshield
Washer Fluid Low
Clean Parking Assist Sensor
Turn Lights Off
(Flashes)
Moon Roof Open
(Flashes)
Maintenance
Required Soon

4857-2. Steps to take in an emergency
7
When trouble arises
SEQUOIA_OM_USA_OM0C035U
Indicates that the dynamic radar cruise control
system cannot be used temporarily due to bad
weatherA buzzer also sounds.
 Use the dynamic radar cruise control sys-
tem when it becomes available again.
The operation conditions of the front camera
(temperature, etc.) are not met.
When the operation conditions of the front
camera (temperature, etc.) are met, the fol-
lowing systems will become available.
(P. 253, 470)
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert) system
• Dynamic radar cruise control
• Automatic High Beam
Indicates that dirt, rain, condensation, ice, snow,
etc., are present on the windshield in front of the
front camera. The following systems may be sus-
pended until the problem shown in the message
is resolved. ( P. 253, 470)
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert) system
• Dynamic radar cruise control
• Automatic High Beam
 Turn the system off, remove any dirt, rain,
condensation, ice, snow, etc., from the
windshield, and then turn the system back
on.
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Auto-
matic High Beam switch again.
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-collision
brake system operation is stopped.
Turn the VSC on. ( P. 324)
Warning messageDetails/Actions
Radar Cruise
Control
Unavailable
Front Camera Unavailable
(Yellow)
Front Camera Unavailable
See Owner’s Manual
(Yellow)
Auto High Beam Ready Turn ON High Beam to Activate
VSC Turned Off
Pre-Collision Brake
System
Unavailable