2021 TOYOTA TUNDRA Owners Manual (in English)

529
7
When trouble arises
7-2. Steps to take in an emergency
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 1 0 5 )
enters the red zone or a loss of engine power is experienced. ( For
example, the vehicle speed does not increase.)
● “ENGINE COOLANT OVERTEMP” is shown on the multi-informa-
tion display.
● Steam comes out f rom under the hood.
Stop the vehicle in a safe place and turn off the air condition ing sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks. Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The following may indicate that your vehicle is overheating:
Correction procedures
1
2
3
1
2

5307-2. Steps to take in an emergency
The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine to check that the radiator cooling fan operate s and
to check for coolant leaks from the radiator or hoses.
If the fan is not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fan is operating:
Have the vehicle ins pected at the nearest Toyota dealer.
4
1
2
3
4
5
6
7

5317-2. Steps to take in an emergency
7
When trouble arises
WARNING
■When inspecting under th e hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
● If steam is seen coming from under the hood, do not open the ho od until
the steam has subsided. The engine compartment may be very hot.
● Keep hands and clothing away from the fans, etc., while the engine is run-
ning.
● Do not loosen the radiator cap and the coolant reservoir cap wh ile the
engine and radiator are hot.
High temperature steam or coolant could spray out.
NOTICE
■ When adding engine coolant
Add coolant slowly after the engine has cooled down sufficientl y. Adding
cool coolant to a hot engine too quickly can cause damage to th e engine.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sa nd or dust,
etc.).
● Do not use any coolant additives.

5327-2. Steps to take in an emergency
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other material to help provide tract ion
under the rear wheels.
Restart the engine.
Shift the shift lever to D or R and release the parking brake. Then,
while exercising caution, de press the accelerator pedal.
■When it is difficult to free the vehicle
Press to turn off TRAC.
Turn off TRAC and/or VSC if these functions are hampering your attempts to
free the vehicle. ( P. 321, 323)
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
WARNING
■When attempting to f ree a stuck vehicle
If you choose to push the vehicle back and forth to free it, ma ke sure the
surrounding area is clear to avoid striking other vehicles, obj ects or people.
The vehicle may also lunge forward or lunge back suddenly as it becomes
free. Use extreme caution.
■ When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pe dal depressed.
This may lead to unexpected rapid acceleration of the vehicle t hat may
cause an accident resulting in death or serious injury.
1
2
3
4
5

5337-2. Steps to take in an emergency
7
When trouble arises
NOTICE
■To avoid damage to the trans mission and other components
● Avoid spinning the rear wheels and depressing the accelerator p edal more
than necessary.
● If the vehicle remains stuck even after these procedures are pe rformed,
the vehicle may require towing to be freed.
● When a warning message for the automatic transmission fluid tem perature
is displayed while attempting to free a stuck vehicle, immediat ely remove
your foot from the accelerator pedal and wait until the warning message
disappears. Otherwise, the transmission may become damaged.
( P. 493)

5347-2. Steps to take in an emergency

535
8Vehicle specifications
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) .......... 536
Fuel information ................ 551
Tire information ................. 554
8-2. Customization Customizable features ...... 564
8-3. Items to initialize Items to initialize ............... 574

5368-1. Specifications
Maintenance data (fuel, oil level, etc.)
2WD models
*1: Unladen vehicle
*2: P255/70R18 tires
*3: P275/65R18 tires
*4: P275/55R20 tires
Dimensions
Cab typeDouble Cab CrewMax
Bed typeStandardLongShort
Overall length228.9 in. (5815
mm) 247.8 in.
(6295 mm) 228.9 in.
(5815 mm)
Overall width 79.9 in. (2030 mm)
Overall
height
*1
78.3 in.
(1990 mm)
*278.1 in.
(1985 mm)
*2
78.1 in.
(1985 mm)
*3,*478.0 in.
(1980 mm)
*3,*4
Wheelbase 145.6 in. (3700
mm) 164.5 in.
(4180 mm) 145.6 in.
(3700 mm)
Front tread 67.9 in. (1725 mm)
Rear tread67.9 in. (1725 mm)