2012 TOYOTA TUNDRA light

620 5-2. Steps to take in an emergency
Follow the correction procedures.After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Indicates a malfunction in the automatic transmis-
sion system A buzzer also sounds.
Warning messageDetailsCorrection procedure
Indicates that one or
more of the doors is not
fully closed. The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more of
the doors is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Open door warning light
also comes on. Make sure that all of
the doors are closed.
(Flashing) Indicates that the park-
ing brake is still
engaged with the vehicle
having reached a speed
of more than 3 mph (5
km/h).
A buzzer also sounds
intermittently. Release the parking
brake.
Warning messageDetails

622 5-2. Steps to take in an emergency
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle. Indicates that the fuel
level is low.
A buzzer also sounds
and the low fuel level
warning light comes on. Fill up the tank as soon
as possible.
Warning messageDetailsCorrection procedure

5
When trouble arises
631
5-2. Steps to take in an emergency
Replacing a flat tire
Chock the tires.
Slightly loosen the wheel nuts
(one turn).
Flat tire
Wheelchock
positions
Front
Left-
hand
sideBehind the
rear right-
hand side
tire
Right-
hand
sideBehind the
rear left-
hand side
tire
Rear
Left-
hand
sideIn front of
the front
right-hand
side tire
Right-
hand
sideIn front of
the front
left-hand
side tire

632 5-2. Steps to take in an emergency
Assemble the jack handle exten-
sion 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 rear 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.
Front

5
When trouble arises
635
5-2. Steps to take in an emergency
Stowing the flat tire, jack and all tools
Remove the center wheel ornament by pushing from the
reverse side. Lay down the tire with the outer
side facing up, and install the
holding bracket.
Fasten the claws of the holding
bracket into the wheel holes as
shown in the illustration.
Holding bracket
Claw
Then secure the tire, taking care that the tire goes straight up
without catching on any other part , to prevent it from flying for-
ward during a collisio n or sudden braking.
Stow the tools and jack securely.
■After completing the tire change
The tire pressure warning system must be reset. (P. 558)
■When using the temporary spare tire
As the temporary spare tire is not equipped with the tire pressure warn-
ing valve and transmitter, low inflation pressure of the spare tire will not
be warned. Also, if you replace the temporary spare tire after the tire
pressure warning light comes on, the light remains on.

5
When trouble arises
641
5-2. Steps to take in an emergency
If the engine will not star t
If the engine still does not start after following the correct starting
procedure ( P. 178) or releasing the steering lock (P. 179), confirm
the following points.
■ The engine will not start even when the starter motor oper-
ates normally.
One of the following may be the cause of the problem.
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (
P. 110)
Flex-fuel vehicles: The type of fuel may be different. When
refueling, 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, wait until the
engine runs normally.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures.
● There may be a malfunction in the engine immobilizer system.
(  P. 1 1 5 )
■ The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem.
●The battery may be discharged. ( P. 647)
● The battery terminal connec tions may be loose or corroded.

642 5-2. Steps to take in an emergency
■The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 647)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.

648 5-2. Steps to take in an emergency
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in
the illustration.Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Maintain the engine speed of the second vehicle and start
the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Toyota
dealer as soon as possible.