2020 TOYOTA TACOMA light

4616-3. Do-it-yourself maintenance
6
Maintenance and care
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 hand s. 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. Failure to do so
may result in heat damage, fire, or water entering the headligh t 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, el ectrical 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.

463
7When trouble arises
7-1. Essential informationEmergency flashers .......... 464
If your vehicle has to be stopped in
an emergency ................. 465
If the vehicle is trapped in rising water .................. 467 7-2. 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.......... 504
If the engine will not start ................................. 519
If the electronic key does not operate properly
(vehicles with a smart key
system) ........................... 521
If the vehicle battery is discharged ...................... 523
If your vehicle overheats ... 527
If the vehicle becomes stuck ............................... 529

4647-1. 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 en gine is not
operating, the battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.

475
7
When trouble arises
7-2. Steps to take in an emergency
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 light • Low brake fluid
• Malfunction in the brake system
*1
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The emission control system;
• 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.

4767-2. Steps to take in an emergency
Slip indicator lightIndicates a malfunction in:
• The VSC system;
• Trailer Sway Control system (if equipped);
• The TRAC system;
• The hill-start assist control system (if equipped);
• The active traction control system (if equipped);
• The AUTO LSD system; or
• The Crawl Control system (if equipped)
 Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes rapidly)
Rear differential lock indicator light*2
Indicates a malfunction in the rear differential lock system
 Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes)
Low speed four-wheel drive indicator light*2
Indicates a malfunction in the four-wheel drive system
 Have the vehicle inspected by your Toyota dealer
immediately.
Low fuel level warning light
Indicates remaining fuel is approximately 3.2 gal. (12.0 L,
2.6 Imp.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 (warning buzzer) turn off.
(U.S.A.)
(Canada)Parking brake indicator (warning buzzer)*4
Warns the driver to release parking brake.
 Release the parking brake.
Master warning light (warning buzzer)
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

4777-2. Steps to take in an emergency
7
When trouble arises
*1: The buzzer sounds when Multi-terrain Select or active traction control is
equipped.
*2: 4WD models only
Tire pressure warning light*5
When the light comes on:
Low tire inflation pressure such as • Natural causes ( P. 4 7 9 )
• Flat tire ( P. 504)
 Adjust the tire inflation pressure to the specified
level.
The light will turn off after 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 af ter blinking for 1 minute:
Malfunction in the tire p ressure warning system.
 Have the system checked by your Toyota dealer.
(Flashes or illumi-
nates)
PCS warning light*5
Indicates a malfunction in the PCS (Pre-Collision System)
or that the system is temporarily unavailable due to the
vehicle being extremely hot/cold, or dirt around a front
sensor, etc. (→P. 256, 482)
 Follow the instructions displayed on the multi-infor-
mation display. (→P. 256, 482)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability
Control) system is disabled, the PCS warning light will illu-
minate.
 P. 256
(Yellow)
LDA (Lane Departur e Alert) indicator*5
The indicator comes on and a warning message is dis-
played to indicate that the LDA (Lane Departure Alert)
system is not available temporarily or has detected a mal-
function.
 P. 492, 493, 494
Warning lightWarning light/Details/Actions

4787-2. Steps to take in an emergency
*3: Driver’s seat belt buzzer:The driver’s seat belt buzzer sounds to alert the driver that h is or her seat
belt is not fastened. Once the engine switch is turned to the “ON” position
(vehicles without a smart key system) or IGNITION ON mode (vehi cles
with a smart key system), the buzzer sounds for 6 seconds. If t he vehicle
reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If the seat
belt is still unfastened after 24 seconds, the buzzer will soun d intermittently
for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 20 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the fron t passenger
that his or her seat belt is not fastened. The buzzer sounds on ce if the
vehicle reaches a speed of 12 mph (20 km/h). If the seat belt is sill unfas-
tened after 24 seconds, the buzzer will sound intermittently fo r 10 seconds.
Then, if the seat belt is still unfastened, the buzzer will sou nd in a different
tone for 20 more seconds.
*4: 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.
*5: If equipped
■ SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front), side impact sensors (rear ), driver’s seat
position sensor, driver’s seat belt buckle switch, front passen ger occupant
classification system (ECU and sensors), “AIR BAG ON” indicator light, “AIR
BAG OFF” indicator light, front passenger’s seat belt buckle switch, seat belt
pretensioners assemblies, airbags, interconnecting wiring and power
sources. ( P. 38)
■ Front passenger detection sensor, seat belt reminder and warnin g
buzzer
● If luggage is placed on the front passenger seat, the front pas senger detec-
tion sensor may cause the warning light to flash and the warnin g buzzer to
sound even if a passenger is not sitting in the seat.
● If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.

4797-2. Steps to take in an emergency
7
When trouble arises
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■
When the tire pressure warning light comes on (if equipped)
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressur e warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural caus es
(if equipped)
The tire pressure warning light may come on due to natural caus es such
as natural air leaks and tire inflation pressure changes caused by tem-
perature. In this case, adjusting the tire inflation pressure w ill turn off the
warning light (after several minutes).
■When a tire is replaced with a spare tire (vehicles with the ti re pres-
sure warning system)
The temporary spare tire is not equipped with a tire pressure w arning
valve and transmitter. If a tire goes flat, the tire pressure w arning light will
not turn off even though the flat tire has been replaced with t he temporary
spare tire. Replace the temporary spare tire with the repaired tire and
adjust the tire inflation pressu re. The tire pressure warning l ight will go off
after several minutes.
■Conditions that the tire pressure warning system may not functi on
properly (if equipped)
 P. 4 3 0
■If the tire pressure warning light frequently comes on after bl inking
for 1 minute (if equipped)
If the tire pressure warning light frequently comes on after bl inking for 1
minute when the engine switch is turned to “ON” position (vehic les with-
out a smart key system) or IGNITION ON mode (vehicles with a sm art
key system), have it checked by your Toyota dealer.
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy pla ce or an
audio sound.