2019 TOYOTA TUNDRA engine

5528-2. Steps to take in an emergency
■The tire pressure warning light may come on due to natural causes
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 replace d with a spare tire
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
 P. 5 0 1
■If the tire pressure warning light frequently comes on after bl inking
for 1 minute
If the tire pressure warning light frequently comes on after bl inking for 1
minute when the engine switch is turned to “ON” position, 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.

5568-2. Steps to take in an emergency
(If equipped)
Indicates that the vehicle has deviated from the
lane (while the LDA [Lane Departure Alert] sys-
tem is operating).• The lane line on the side the vehicle hasdeviated from flashes in Yellow.
• A buzzer also sounds.
 Check around the vehicle and back to
inside of the lane lines.
(Flashes)
Indicates that the engine was stopped with the
shift lever not in P.
A buzzer also sounds.
 Shift the shift lever to P.
(Flashes)
Indicates that the engine was stopped while driv-
ing.
A buzzer also sounds.
 Stop the vehicle in a safe place such as the
shoulder of a road.
Indicates that the engine coolant temperature is
too high
A buzzer also sounds.
 Immediately stop the vehicle in a safe place
and contact your Toyota dealer.
Indicates a malfunction in the automatic transmis-
sion system
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Warning messageDetails/Actions
(Yellow/
flashes)
Engine Stopped

Shift Into P
Engine Stopped

Stop In a Safe Place
Engine Coolant
Temp High
Stop in a Safe Place
See Owner’s Manual
CHECK
TRANSMISSION
SYSTEM

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When trouble arises
8-2. Steps to take in an emergency
If you have a flat tire
●Stop the vehicle in a safe place on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P.
● Stop the engine.
● Turn on the emergency flashers. ( P. 538)
Your vehicle is equipped with a spare tire. The flat tire can b e
replaced with the spare tire.
For details about tires: P. 4 9 5
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance wit h a flat tire can damage the tire and the
wheel beyond repair, which cou ld result in an accident.
Before jacking up the vehicle

5678-2. Steps to take in an emergency
8
When trouble arises
WARNING
■Using the tire jack
Observe the following precautions.
Improper use of the tire jack may cause the vehicle to suddenly fall off
the jack, leading to death or serious injury.
●Do not use the tire jack for any purpose other than replacing t ires or
installing and removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat
tire.
Do not use it on other vehicles, and do not use other tire jack s for
replacing tires on this vehicle.
●Put the jack properl y in its jack point.
●Do not put any part of your body under the vehicle while it is supported
by the jack.
●Do not start the engine or drive the vehicle while the vehicle is sup-
ported by the jack.
●Do not raise the vehicle w hile someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greater than that required to
replace the tire.
●Use a jack stand if it is nece ssary to get under the vehicle.
●When lowering the vehicle, make sure that there is no-one near the
vehicle. If there are people nearb y, warn them vocally before lowering.
■Using the jack handle
Insert the square head securely until you hear a click to preve nt the
extension parts from com ing apart unexpectedly.

5788-2. Steps to take in an emergency
WARNING
■When using the temporary spare tire
●Remember that the temporary spare tire provided is specifically
designed for use with your vehicle. Do not use your temporary spare
tire on another vehicle.
●Do not use more than one temporary spare tires simultaneously.
●Replace the temporary spare tire with a standard tire as soon a s possi-
ble.
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
■When the spare tire is attached
The vehicle speed may not be co rrectly detected, and the following sys-
tems may not operate correctly:
Also, not only can the following system not be utilized fully, but it may
even negatively affect the drive-train components:
• 4WD system
■Speed limit when using th e temporary spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a tem porary
spare tire is installed on the vehicle.
The temporary spare tire is not designed for driving at high sp eeds. Fail-
ure to observe this precaution ma y lead to an accident causing death or
serious injury.
• ABS & Brake assist
• VSC
•TRAC
•AUTO LSD
• Pre-Collision System*
*: If equipped • Automatic High Beam*
• LDA (Lane Departure Alert)*
• Dynamic radar cruise control*
• Cruise control*
• Navigation system*

5808-2. 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.
Flex-fuel vehicles: The type of fuel may be different. When ref uel-
ing, add the same type of fuel, if available.
After adding a different type of fuel, the engine may run roughly and
driving performance may be reduced for a while when the engine is
first started. In this case, wa it until the engine runs normall y.
● The engine may be flooded.
Try to restart the engine again following correct starting proc edures.
(  P. 194)
● There may be a malf unction in the engine immobilizer system.
(  P. 7 6 )
If the engine will not start eve n though correct starting proce -
dures are being followed ( P. 194), consider each of the follow-
ing points.
The engine will not start even t hough the starter motor operates
normally.

5828-2. Steps to take in an emergency
If the vehicle batter y is discharged
If you have a set of jumper (or booster) cables and a second ve hicle
with a 12-volt battery, you can jump start your vehicle by foll owing the
steps below.
Confirm that the key and wire-
less remote control (if
equipped) are being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and the doors may lock. ( P. 87)
Open the hood. (P. 484)
Connect the jumper cables according to the following procedure:
Connect a positive jumper cable clamp to the positive (+) batte ry
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery termi nal on the second vehicle.
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call your Toyota de aler or a qualified repair shop.
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5838-2. Steps to take in an emergency
8
When trouble arises
Connect a negative cable clamp to the negative (-) battery termi-
nal on the s econd vehicle.
Connect the clamp at the other e nd of the negative cable to a
solid, stationary, unpainted meta llic point away from the battery
and any moving parts, as shown in the illustration.
Start the engine of the second v ehicle. Increase the engine speed
slightly and maintain at that lev el for approximately 5 minutes to
recharge the batter y of your vehicle.
Maintain the engine speed of the second vehicle and start the
engine of your vehicle.
Once the vehicle’s engine has st arted, remove the jumper cables in
the exact reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at your Toyota
dealer as soon as possible.
■ Starting the engine when t he battery is discharged
The engine cannot be started by push-starting.
■ To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic .
■ When the battery is r emoved or discharged
The moon roof must be initialized. ( P. 156)
■ Charging the battery
The electricity stored in the battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of cer-
tain electrical appliances. If the vehicle is left for a long t ime, the battery may
discharge, and the engine may be unable to start. (The battery recharges
automatically during driving.)
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