2021 TOYOTA TUNDRA light

4957-2. Steps to take in an emergency
7
When trouble arises
Indicates that the automatic transmission fluid
temperature is to highA buzzer also sounds.
 Immediately stop the vehicle in a safe
place, shift the shift lever to P and wait until
the light goes off.
If the light goes off, you may start the vehi-
cle again. If the light does not go off, con-
tact your Toyota dealer.
Indicates that the parking brake is still engaged
If the vehicle reaches a speed of 3 mph
(5 km/h), flashes and a buzzer
sounds to indicate that the parking brake is
still engaged.
 Release the parking brake.
Indicates that the washer fluid level is low
Add washer fluid.
(If equipped)
Indicates that intuitive parking assist is dirty or
covered with ice
Clean the sensor.
(If equipped)
Indicates that the Blind Spot Monitor sensors or
the surrounding area on the bumper is dirty or
covered with ice
A buzzer also sounds.
 Clean the sensor and its surrounding area
on the bumper.
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 3.8 gal.
(14.4 L, 3.2 lmp.gal.) or less A buzzer also sounds.
 Refuel the vehicle.
Warning messageDetails/Actions
High Transmission
Fluid Temp
See Owner’s Manual
Release
Parking Brake
(U.S.A) (Canada)
Windshield
Washer Fluid Low
Clean Parking Assist Sensor
Blind Spot Monitor
Unavailable
Fuel Low

4967-2. Steps to take in an emergency
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.
Indicates that all maintenance is required to cor-
respond to the driven distance on the mainte-
nance schedule
*.
Comes on approximately 5000 miles (8000 km)
after the message has been reset.
(The indicator will not work properly unless the
message has been reset.)
 Perform the necessary maintenance.
Please reset the message after the mainte-
nance is performed. ( P. 407)
Indicates a malfunction in the tire pressure warn-
ing system.
The tire pressure warning light comes on after
flashing for 1 minute.
 Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in the cruise control sys-
tem.
• Press the “ON-OFF” button once to deacti-
vate the system, and then press the button
again to reactivate the system.
• A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates a malfunction in the Brake Override
System.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates that the accelerator and brake pedals
are being depressed simultaneously, and the
Brake Override System is operating. ( P. 185)
 Release the accelerator pedal and depress
the brake pedal.
Warning messageDetails/Actions
Maintenance
Required Soon
Maintenance Required
Visit Your Dealer
Tire Pressure Warning System
Malfunction, Visit Your Dealer
(Flashes
and then
remains on)
Cruise Control Malfunction
Visit Your Dealer
Brake Override Malfunction
Visit Your Dealer
Accelerator and Brake Pedals
Pressed
Simultaneously

4997-2. Steps to take in an emergency
7
When trouble arises
Indicates a malfunction in the Drive-start control.A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates that the shift position was changed and
Drive-Start Control was operated while depress-
ing the accelerator pedal.
Momentarily release the accelerator pedal.
(Flashes)
Indicates that the headlight switch is left on (with
the key removed and the driver’s door opened)
A buzzer also sounds.
 Turn the lights off.
Indicates a malfunction in:
• The automatic headlight leveling system; or
• The LED headlight system (if equipped).
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates a malfunction in the Automatic High
Beam system.
Have the vehicle inspected by your Toyota
dealer.
Indicates that the tire inflation pressure is low.
Check the tire inflation pressure, and
adjust to the appropriate level.
(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.
Warning messageDetails/Actions
Drive-Start
Control
Malfunction
Visit Your Dealer
Release
Accelerator
Turn Lights Off
Headlight System Malfunction
Visit Your Dealer
Headlight System Malfunction
Visit Your Dealer
Tire Pressure Low Check Tire
Auto High Beam Ready Turn ON High Beam to
Activate

5027-2. Steps to take in an emergency
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.
Once3 times
The driver’s door was opened
and closed while the elec-
tronic key was not in the vehi-
cle, the shift lever was in P
and the engine switch was not
turned off.
Turn the engine switch
off.
 Bring the electronic key
back into the vehicle.
The electronic key was carried
outside the vehicle and a door
other than the driver’s door
was opened and closed while
the engine switch was in a
mode other than off.
Bring the electronic key
back into the vehicle.
Shift into P Position
(Flashes)
Shift into P Position
Key Not Detected
(Flashes)
Key Not Detected
(Flashes)

5127-2. Steps to take in an emergency
Chock the tires.
On some models, remove the
wheel ornament using the
wheel nut wrench as shown.
To protect the wheel and wheel
ornament, place a rag between
the wrench and the wheel orna-
ment, as shown in the illustration.
Slightly loosen the wheel nuts
(one turn).
Replacing a flat tire
1
Flat tireWheel chock positions
FrontLeft-hand sideBehind the rear right-hand side tire
Right-hand sideBehind the rear left-hand side tire
RearLeft-hand sideIn front of the front r ight-hand side tire
Right-hand sideIn front of the front left-hand side tire
2
3

5137-2. Steps to take in an emergency
7
When trouble arises
Assemble the jack handle
extension as shown.
Position the jack at the correct
jack point as shown.Front
Rear
Make sure the jack is positioned
on a level and solid place.
Raise the vehicle until the tire is
slightly raised off the ground.
When positioning the jack under
the rear axle housing, make sure
the groove on the top of the jack
fits with the re ar axle housing.
Remove all the wheel nuts and
the tire.
When resting the tire on the
ground, place the tire so that the
wheel design faces up to avoid
scratching the wheel surface.
4
Front
R
1
2
6
7

5187-2. Steps to take in an emergency
Confirm it is not loose after
tightening:Push and pull the tire
Try rotating
Visually check to ensure tire is
not hung on surrounding parts.
If looseness or misassembly ex ists, repeat step and step .
Repeat step , any time the tire is lowered or disturbed.
Stow the tools and jack securely.
■The temporary spare tire
●The temporary spare tire is iden tified by the “TEMPORARY USE ON LY ”
marking on the disc wheel and/or 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 4 8 )
■When reinstalling the wheel ornament (on some models)
P. 4 4 6
■When using the temporary spare tire
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.
3
1
2
23
43
5
1
2
3

521
7
When trouble arises
7-2. Steps to take in an emergency
If the engine will not star t
One of the following may be the cause of the problem:
● There may not be sufficient f uel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proc edures.
(  P. 217)
● There may be a malf unction in the engine immobilizer system.
(  P. 8 5 )
One of the following may be the cause of the problem:
● The battery may be discharged. ( P. 525)
● The battery terminal connecti ons may be loose or corroded.
The engine starting system may be malfunctioning due to an elec trical
problem such as an open circuit or a blown fuse. However, an in terim
measure is available to start the engine. ( P. 522)
If the engine will not start eve n though correct starting proce -
dures are being followed ( P. 217), consider each of the follow-
ing points.
The engine will not start even t hough the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and he ad-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with a smart key
system)