2018 TOYOTA TUNDRA engine

3194-6. Driving tips
4
Driving
NOTICE
■To prevent the water damage
Take all necessary safety measures to ensure that water damage to the
engine or other components does not occur.
● Water entering the engine air intake will cause severe engine d amage.
● Water entering the automatic transmission will cause deteriorat ion in shift
quality, locking up of your transmission accompanied by vibrati on, and ulti-
mately damage.
● Water can wash the grease from wheel bearings, causing rusting and pre-
mature failure, and may also enter the differentials, transmission and
transfer case, reducing the gear oil’s lubricating qualities.
■ When you drive through water
If driving through water, such as when crossing shallow streams , first check
the depth of the water and the bottom of the river bed for firm ness. Drive
slowly and avoid deep water.
■ Inspection after off-road driving
● Sand and mud that has accumulated in brake drums and around bra ke
discs may affect braking efficiency and may damage brake system compo-
nents.
● Always perform a maintenance inspection after each day of off-r oad driv-
ing that has taken you through rough terrain, sand, mud, or wat er. For
scheduled maintenance information, refer to the “Scheduled Main tenance
Guide” or “Owner’s Manual Supplement”.

3265-1. Basic Operations
WARNING
■Laser product
THIS PRODUCT IS A CLASS I LASER PRODUCT. USE OF CONTROLS
OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREI N MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE. DO NOT OPEN COVERS AND DO NOT
REPAIR BY YOURSELF. REFER SERVICING TO QUALIFIED
PERSONNEL.
NOTICE
■ To avoid damaging the touch screen
● To prevent damaging the screen, lightly touch the screen button s with your
finger.
● Do not use objects other than your finger to touch the screen.
● Wipe off fingerprints using a glass cleaning cloth. Do not use chemical
cleaners to clean the screen, as they may damage the touch scre en.
■ To prevent battery discharge
Do not leave the multimedia system on longer than necessary when the
engine is off.
■ To avoid damaging the multimedia system
Take care not to spill drinks or other fluids on the multimedia system.

3655-7. Connecting Bluetooth®
5
Multimedia
Connecting a Bluetooth® device
Press the “SETUP” button.
Select “Bluetooth” on the “Setup” screen.
Select the device to be con-
nected.
Supported profile icons will be dis-
played.
Phone
Audio player
Supported profile icons for cur-
rently connected devices will illumi-
nate.
Dimmed icons can be selected to connect to the function directl y.
To turn auto connection mode on, set “Bluetooth Power” to on.
(  P. 368)
When you register a phone, auto connection will be activated. Always
set it to this mode and leave the Bluetooth
® phone in a place where a
connection can be established.
When the engine switch is turned to the “ACC” or “ON” position, the sys-
tem will search for a nearby cellular phone you have registered .
Next, the system automatically connects with the most recent of the
phones connected to in the past. Then, the connection result is displayed.
Up to 5 Bluetooth® devices (Phones (HFP) and audio players
(AVP)) can be registered.
If more than 1 Bluetooth
® device has been registered, select
which device to connect to.
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Auto connection

3665-7. Connecting Bluetooth®
When auto connection has failed or “Bluetooth Power” is turned off,
you must connect the Bluetooth® device manually.
Follow the steps in “C onnecting a Bluetooth
® device” from step .
(  P. 365)
Registering an additional device
Select “Select Device” on t he “Bluetooth Audio” screen.
For more information: P. 3 6 3
Selecting a registered device
Select “Select Device” on t he “Bluetooth Audio” screen.
For more information: P. 3 6 5
■Reconnecting a Bluetooth® phone
If the system cannot connect due to poor signal strength with the engine
switch in the “ACC” or “ON” position, the system will automatic ally attempt to
reconnect.
If the system is attempting to connect to a Bluetooth
® phone and the Blue-
tooth® phone is turned off and then back on, the system will attempt to recon-
nect.
Manual connection
Connecting a Bluetooth® audio player
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4065-11. Bluetooth®
■Reconnecting the portable audio player
If the portable audio player is disconnected due to poor reception when the
engine switch is in the “ACC” or “ON” position, the system auto matically
reconnects the portable audio player.
If you have switched off the portable audio player yourself, follow the instruc-
tions below to reconnect:
● Select the portable audio player again
● Enter the portable audio player
■ When you sell your car
Be sure to delete your personal data. ( P. 331)
WARNING
■While driving
Do not use the portable audio player, cellular phone or connect a device to
the Bluetooth
® system.
■ Caution regarding interfer ence with electronic devices
● Your audio unit is fitted with Bluetooth
® antennas. People with implantable
cardiac pacemakers, cardiac resynchronization therapy-pacemaker s or
implantable cardioverter defibrillators should maintain a reaso nable dis-
tance between themselves and the Bluetooth
® antennas. The radio waves
may affect the operation of such devices.
● Before using Bluetooth
® devices, users of any electrical medical device
other than implantable cardiac pacemakers, cardiac resynchroniz ation
therapy-pacemakers or implantable cardioverter defibrillators should con-
sult the manufacturer of the device for information about its o peration
under the influence of radio waves. Radio waves could have unex pected
effects on the operation of such medical devices.

4186-1. Using the air conditioning system
WARNING
■To prevent the windshield from fogging up
● Do not use
during cool air operation in extremely humid weather. The
difference between the temperature of the outside air and that of the wind-
shield can cause the outer surface of the windshield to fog up, blocking
your vision.
■ To prevent burns (vehicles with rear view mirror defoggers and wind-
shield wiper de-icer)
● Do not touch the rear view mirror surfaces when the outside rear view mir-
ror defoggers are on.
● Do not touch the glass at lower part of the windshield or to th e side of the
front pillars, when the windshield wiper de-icer is on.
NOTICE
■ To prevent battery discharge
Do not leave the air conditioning system on longer than necessa ry when the
engine is stopped.
● Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers to
defog.

4256-1. Using the air conditioning system
6
Interior features
■Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning system to the out side air mode.
● During use, various odors from inside and outside the vehicle m ay enter into
and accumulate in the air conditioning system. This may then ca use odor to
be emitted from the vents.
● To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to o utside air
mode prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short peri od of time
immediately after the air conditioning system is started in aut omatic
mode.
■ Air conditioning filter
P. 513
WARNING
■To prevent the windshield from fogging up
● Do not use
during cool air operation in extremely humid weather.
The difference between the temperature of the outside air and t hat of the
windshield can cause the outer surface of the windshield to fog up, block-
ing your vision.
■ To prevent burns (vehicles with rear view mirror defoggers and wind-
shield wiper de-icer)
● Do not touch the rear view mirror surfaces when the outside rear view mir-
ror defoggers are on.
● Do not touch the glass at lower part of the windshield or to th e side of the
front pillars, when the windshield wiper de-icer is on.
NOTICE
■ To prevent battery discharge
Do not leave the air conditioning system on longer than necessa ry when the
engine is stopped.
● Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers to
defog.

4276-1. Using the air conditioning system
6
Interior features
■Seat ventilators
Blows air from the seat Hi
Mid
Lo
Off
The level indicator lights come on.
Pressing the button changes
modes in the following:
HiMid LoOff
■The seat heaters/seat ventilators can be used when
The engine switch is in the “ON” position.
■ Passenger seat ventilator timer (vehicles with seat ventilators )
● The ventilator operates on for 5 minutes after the button is pr essed.
● When the passenger is not detected, the automatically turns off the ventila-
tor after 5 minutes.
■ When not in use
Turn the seat heaters or seat ventilators off by pressing the b utton. The indi-
cator light turns off.
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WARNING
■ Burns
● Use caution when seating the following persons in a seat with t he seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physical ly chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sle eping
drugs, cold remedies, etc.)
● Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the t emperature
of the seat and may lead to overheating.
● Do not use seat heater more than necessary. Doing so may cause minor
burns or overheating.