2017 TOYOTA TUNDRA light

4617-3. Do-it-yourself maintenance
7
Maintenance and care
■High mounted stoplight and cargo lampsRemove the screws and
cover.
Remove the light bulb.High mounted stoplight
Cargo lamps
When reinstalling the outer lens,
confirm that the packing is prop-
erly seated in the groove on the
housing.
■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
your Toyota dealer.
● Parking lights (LED type)
● Daytime running lights (LED type)
● Side turn signal lights (if equipped)
● Outer foot lights (if equipped)
1
Packing
2
1
2

4627-3. Do-it-yourself maintenance
■When installing the rubber cover of the headlight
Ensure the rubber cover is securely attached.
■ 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 parking lights (LED type), daytime running light (LED type) and side turn
signal lights 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 the headlight 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 headlight.Fit the rubber cover outer circumfer-
ence in firmly.
Fit the rubber cover around the light
bulb in until the light bulb plug can be
seen.
1
2

4637-3. Do-it-yourself maintenance
7
Maintenance and care
CAUTION
■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. Failure to do so
may result in heat damage, fire, or water entering the headlight unit. This
may damage the lights or cause condensation to build up on the lens.
● Do not attempt to repair or disassemble the bulb, bulb base, electrical wir-
ing, or subcomponents.
Doing so could result in electric shock and serious injury.
■ 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.

465
8When trouble arises
8-1. Essential informationEmergency flashers .......... 466
If your vehicle has to be stopped in
an emergency ................. 467 8-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 468
If you think something is wrong .............................. 473
Fuel pump shut off system ............................ 474
If a warning light turns on or a warning buzzer
sounds ............................ 475
If a warning message is displayed......................... 482
If you have a flat tire.......... 486
If the engine will not start ................................. 501
If the vehicle battery is discharged ...................... 502
If your vehicle overheats ... 505
If the vehicle becomes stuck ............................... 507

4668-1. Essential information
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■Emergency flashers
If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in th e road due to a breakdown, etc.

475
8
When trouble arises
8-2. Steps to take in an emergency
If a warning light turns on or a warning
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 malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*1
• Low brake fluid
• Malfunction in the brake system This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
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.

4768-2. Steps to take in an emergency
(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.
Open door warning light (warning buzzer)*2
Indicates that one or more of the doors is not fully closed.
→ Check that all the doors are closed.
Low fuel level warning light
Standard fuel tank
Indicates remaining fuel is approximately 4.0 gal. (15.0 L,
3.3 Imp.gal.) or less
Large fuel tank
Indicates remaining fuel is approximately 5.7 gal. (21.6 L,
4.8 lmp.gal.) or less
→ Refuel the vehicle.
Seat belt reminder light (warning buzzer)*3
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 (war ning buzzer) turn off.
Master warning light
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
→ P. 482
Warning lightWarning light/Details/Actions

4778-2. Steps to take in an emergency
8
When trouble arises
*1: Parking brake engaged warning buzzer:A buzzer will sound if the vehicle is driven at a speed of approximately
3 mph (5 km/h) or more.
*2: Open door warning buzzer:A buzzer will sound if the vehicle reaches a speed of 3 mph (5 km/h) or
more with any door open.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as • Natural causes ( →P. 479)
• Flat tire ( →P. 486)
→ Adjust the tire inflation pressure to the specified
level.
The light will turn off af ter a few minutes. In case
the light does not turn off even if the tire inflation
pressure is adjusted, have the system checked by
your Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system.
→ Have the system checked by your Toyota dealer.
Slip indicator light
Indicates a malfunction in:
• The VSC;
• The TRAC;
• The A-TRAC; or
• The AUTO LSD system.
→ Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes)
Cruise control indicator light
Indicates a malfunction in the cruise control system.
→ Have the vehicle inspected by your Toyota dealer
immediately.
Warning lightWarning light/Details/Actions