2022 TOYOTA TUNDRA warning light

5027-2. Steps to take in an emergency
(If equipped)
Indicates that the pre-collision system sensor is
dirty, covered with ice, etc.
Remove any dirt, ice, etc.
(If equipped)
Indicates a malfunction in:
• The automatic headlight leveling system; or
• The Automatic High Beam system.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
(If equipped)
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.
(If equipped)
Indicates that rader cruise control sensor is dirty
or covered with ice.
A buzzer also sounds.
 Clean the sensor.
Warning messageDetails/Actions

5057-2. Steps to take in an emergency
7
When trouble arises
After taking the specified steps to correct the suspected problem,
check that the warning m essage and light go off.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
Contin-
uous  The driver’s door was opened
when the shift lever was not in
P and the engine switch was
not turned off.

Shift the shift lever to P.
Contin-
uousContin-
uous
The driver’s door was opened
and closed while the elec-
tronic key was not in the vehi-
cle, the shift lever was not in P
and the engine switch was not
turned off.
Shift the shift lever to P.
 Bring the electronic key
back into the vehicle.
(Flashes)
(Displayed alternately)
(Flashes)

5097-2. Steps to take in an emergency
7
When trouble arises
Once
Indicates that:
• With the engine switch off,the doors were unlocked
and then the driver’s door
was opened and closed
• The engine switch was
turned to ACCESSORY
mode without starting the
engine
 Press the engine switch
while depressing the
brake pedal.
Once
The engine switch has been
turned off with the shift lever in
a position other than P.
Shift the shift lever to P.
Once
After the engine switch has
been turned off with the shift
lever in a position other than
P, the shift lever has been
shifted to P.
Turn the engine switch
off.

Power was turned off due to
the automatic power off func-
tion.
Next time when starting
the engine, increase the
engine speed slightly and
maintain that level for
approximately 5 minutes
to recharge the battery.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)

5237-2. Steps to take in an emergency
7
When trouble arises
■The temporary spare tire
●Your vehicle is equipped with a temporary spare tire that may be a differ-
ent size, tread type, and/or manufacturer from the ground tires installed
on your vehicle.
●The temporary spare tire is iden tified by the “TEMPORARY USE ON LY ”
marking on the disc wheel and/or the tire sidewall.
Use the temporary spare tire temp orarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the temporary spare
tire. ( P. 5 5 1 )
■After completing the tire change (vehicles with the tire pressu re
warning system)
The tire pressure warni ng system must be reset. ( P. 433)
■When using the temporary spare tire (vehicles with the tire pre ssure
warning system)
As the temporary spare tire is no t equipped with the tire pressure warning
valve and transmitter, low inflation pressure of the spare tire will not be
indicated by the tire pressure warning system. Also, if you rep lace the
temporary spare tire after the tire pressure warning light come s on, the
light remains on.
■If you have a flat rear tire on a road covered with snow or ice
Install the temporary spare tire on one of the front wheels of the vehicle.
Perform the following steps and f it tire chains to the rear tires:
Replace a front tire with the temporary spare tire.
Replace the flat rear tire with the tire removed from the front of the
vehicle.
Fit tire chains to the rear tires.
1
2
3

5337-2. Steps to take in an emergency
7
When trouble arises
WARNING
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally ignit ing the flam-
mable gas that may be emitted from the battery:
● Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the in tended terminal.
● Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
● Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open fla me near
the battery.
■ Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
● When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, clothing
or the vehicle body.
● Do not lean over the battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
● Do not allow children near the battery.
■ To prevent damage to the vehicle
Do not pull- or push-start the vehicle as the three-way catalytic converter
may overheat and become a fire hazard.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not beco me entan-
gled in the cooling fan or belt.

598What to do if... (Troubleshooting)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is removed from the
engine switch. ( P. 202)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( P. 207)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 156)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a peri od of
time. ( P. 206)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 483)
●The parking brake indicator is on
Is the parking brake released? ( P. 218)
Depending on the situation, other types of warning buzzer may also sound.
( P. 483, 496)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 489)
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
The engine switch is turned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)

599What to do if... (Troubleshooting)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 88)
●Vehicles without a smart key system:
To stop the alarm, turn the engine switch to the “ON” position or start the
engine.
●Vehicles with a smart key system:
To stop the alarm, turn the engine switch to IGNITION ON mode o r start
the engine.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 482, 489.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 511)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 536)
An alarm is activated and the horn sounds
(vehicles with an alarm)
A warning light turns on or a warning message or indicator
is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

600Alphabetical index
Alphabetical index
A/C .................................... 338, 344Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 344
Manual air conditioning system ......... ....................... 338
ABS (Anti-lock Brake
System) .................................. 322 Function ................................ 322
Warning light ......................... 482
Warning message ................. 491
Active head restraints ............. 140
Active traction control ............ 311
Air conditioning filter .............. 448
Air conditioning system ............................ 338, 344
Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 344
Manual air conditioning system ......... ....................... 338
Airbags ....................................... 36
Airbag operating conditions .... 43
Airbag precautions for your child ......................... 39
Airbag warning light .............. 482
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 44
Curtain shield airbag precautions ........................... 40
Front passenger occupant classification syst em............. 48
General airbag precautions .... 39
Locations of airbags................ 36
Modification and disposal of airbags.............................. 42
Side airbag operating conditions ............................. 44
Side airbag precautions .......... 40 Side and curtain shield
airbags operating
conditions ............................. 44
Side and curtain shield airbags precautions .............. 40
SRS airbags ........................... 36
Alarm
Alarm ...................................... 88
Warning buzzer ............ 482, 489
Anchor brackets ........................ 58
Antennas
(smart key system) ............... 131
Anti-lock Brake System
(ABS) ...................................... 322 Function ................................ 322
Warning light......................... 482
Warning message................. 491
Assist grips .............................. 388
Audio remote control switches
*
Audio system*
AUTO LSD system................... 306
Automatic High Beam ............. 223
Automatic light control system.................................... 219
Automatic transmission Automatic transmission ........ 210
If the shift lever cannot be shifted from P ..................... 213
S mode ................................. 212
Power mode switch .............. 211
Auxiliary boxes ........................ 365
A