2023 TOYOTA TUNDRA HYBRID lights

4516-2. Maintenance
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6
Maintenance and care
Parking brake
• Does the park- ing brake oper-
ate normally?
• When parked on a slope and the
parking brake is
on, is the vehicle
securely
stopped?
Seat belts
• Do the seat belts operate
smoothly?
• The seat belts should not be
damaged.
Seats
• Do the seat con-trols operate
properly?
Steering wheel
• Does the steer-ing wheel rotate
smoothly?
• Does the steer- ing wheel have
the correct
amount of free
play?
• There should not be any strange
sounds coming
from the steer-
ing wheel.
ItemsCheck pointsVehicle exterior
ItemsCheck points
Doors
• Do the doors operate
smoothly?
Engine hood
• Does the hood lock system work
properly?
Fluid leaks
• There should not be any signs of
fluid leakage
after the vehicle
has been parked.
Lights• Do all the lights come on?

4876-3. Do-it-yourself maintenance
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6
Maintenance and care
Passenger’ side instrument
panel
Remove the cover.
Vehicles with footwell lights:
Remove the footwe ll lights connec-
tor.
Remove the lid.
Make sure to push the claw when
removing/installing the lid.
Under the right-hand rear seat
Lift the rear seat cushion. ( P.135)
Remove the cover.
3 Remove the fuse with the
pullout tool.
Only type A fuse can be

4886-3. Do-it-yourself maintenance
Owners Manual_USA_M0C052_en
removed using the pullout
tool.
4 Check if the fuse is blown.
Type A and B:
Replace the blown fuse with a new
fuse of an appropriate amperage
rating. The amperage rating can be
found on the fuse box lid.
Type C and D:
Contact your Toyota dealer.
Ty p e A
Normal fuse
Blown fuse
Ty p e B Normal fuse
Blown fuse
Type C
Normal fuse
Blown fuse
Type D
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure
that the tab is ins talled securely.
●If the lights do not turn on even
after the fuse has been replaced,
a bulb may need replacement.
●If the replaced fuse blows again,
have the vehicle inspected by
your Toyota dealer.
■If there is an ove rload in a cir-
cuit
The fuses are designed to blow, pro-

4896-3. Do-it-yourself maintenance
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6
Maintenance and care
tecting the wiring harness from
damage.
■When replacing light bulbs
Toyota recommends that you use
genuine Toyota products designed
for this vehicle.
Because certain bulbs are con-
nected to circuits designed to pre-
vent overload, non-genuine parts or
parts not designed for this vehicle
may be unusable.
Check the wattage of the light
bulb to be replaced. ( P.548)
Front turn signal/parking
lights (bulb type)
WARNING
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, 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 over-
load determined and repaired by
your Toyota dealer as soon as
possible.
Light bulbs
You may replace the follow-
ing bulb by yourself. If nec-
essary bulb replacement
seems difficult to perform,
contact your Toyota dealer.
For more information about
replacing other lights, con-
tact your Toyota dealer.
Preparing for light bulb
replacement
Bulb location

4906-3. Do-it-yourself maintenance
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■Lights that need to be
replaced by your Toyota
dealer
 Headlights
 Daytime running lights
 Front turn signal/parking lights
(LED type)
 Front fog lights
 Side marker lights
 Side turn signal lights
 Trailering light (if equipped)
 Tail lights
 Stop lights
 Back-up light
 Rear turn signal lights
 High mounted stoplight/cargo
lamp
 Trailer hitch light (if equipped)
 Bed lamp (if equipped)
 Auxiliary lights (if equipped)
 Light bar (if equipped)
 Arch molding marker lights (if
equipped)
■When replacing the light bulbs
Confirm that they are properly
engaged with the bulb base and that
there is no light leakage.
■LED Lights
The lights other th an front turn sig-
nal/parking lights (bulb type) consist
of a number of LEDs. If any of the
LEDs burn out, take your vehicle to
your Toyota dealer to have the light
replaced.
■Condensation build-up on the
inside of the lens
Temporary condensation build-up
on the inside of t he headlight lens
does not indicate a malfunction.
Contact your Toyota dealer for more
information in t he following situa-
tions:
●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.489
■Front turn signal/parking
lights (bulb type)
1 To allow enough working
space, turn the steering
wheel to the opposite side of
the bulb to be replaced.
Remove the screws, and
remove the fender liner.
Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left
side light bulb.
Replacing light bulb

4916-3. Do-it-yourself maintenance
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6
Maintenance and care
2 Open the fender liner and
turn the bulb base counter-
clockwise.
3 Remove the light bulb.
4 Install a new light bulb and
turn the bulb base clockwise. 5
Reinstall the fender liner and
install the screws.
WARNING
■Replacing light bulbs
●Turn off the lights. Do not
attempt to replace the bulb
immediately 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 clean 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. Fail-
ure to do so may result in heat
damage, fire, or water entering
the light unit. This may damage
the lights or cause condensa-
tion to build up on the lens.

4947-1. Essential information
Owners Manual_USA_M0C052_en
7-1.Essential information
Press the switch to flash all of
the turn signal lights.
To turn them off, press the switch
once again.
■Emergency flashers
●If the emergency flashers are
used for a long time while the
hybrid system is not operating, the
12-volt battery may discharge.
●If any of the SRS airbags deploy
(inflate) or in the event of a strong
rear impact, the emergency flash-
ers will turn on automatically.
The emergency flashers will turn
off automatically after operating
for approximately 20 minutes. To
manually turn t he emergency
flashers off, press the switch
twice.
(The emergency flashers may not
turn on automatically depending
on the force of the impact and
conditions of the collision.)
1 Steadily step on the brake
pedal with both feet and
firmly depress it.
Do not pump the brake pedal
repeatedly as this will increase the
effort required to slow the vehicle.
2Shift the shift lever to N.
If the shift lever is shifted to N
3 After slowing down, stop the
vehicle in a safe place by the
road.
4 Stop the hybrid system.
If the shift lever cannot be
shifted to N
3 Keep depressing the brake
pedal with both feet to reduce
vehicle speed as much as
possible.
4 To stop the hybrid system,
press and hold the power
switch for 2 consecutive sec-
onds or more, or press it
Emergency flashers
The emergency flashers are
used to warn other drivers
when the vehicle has to be
stopped on the road due to
a breakdown, etc.
Operating instructions
If your vehicle has to
be stopped in an emer-
gency
Only in an emergency, such
as if it becomes impossible
to stop the vehicle in the
normal way, stop the vehicle
using the following proce-
dure:
Stopping the vehicle

5017-2. Steps to take in an emergency
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7
When trouble arises
■Brake system warning light (warning buzzer)
■Brake system warning light (warning buzzer)
■High coolant temperature warning light*
*: This light illuminates on the mu lti-information display with a message.
If a war ning light tur ns on or a war ning buzzer
sounds
Calmly perform the following actions if any of the warning
lights comes on or flashes. If a light comes on or flashes, but
then goes off, this does not necessarily indicate a malfunc-
tion in the system. However, if this continues to occur, have
the vehicle inspected by your Toyota dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
or
(Red)
(Canada)
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. C ontinuing to drive the vehi-
cle may be dangerous.
Warning lightDetails/Actions
(Yellow)
Indicates a malfunction in:
 The parking brake system;
 The regenerative braking system; or
 The electronically controlled brake system
 Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
Indicates that the engine is overheating
 Immediately stop the v ehicle in a safe place.
Handling method ( P.535)