2023 TOYOTA TUNDRA engine

3875-4. Other interior features
5
Interior features
NOTICE
■Conditions in which the wireless charger may not operate correctly
In the following situations, the wireless charger may not operate correctly:
● When a portable device is fully charged
● When there is a foreign object between the charging area and portable
device
● When a portable device becomes hot while charging
● When a portable device is placed on the wireless area with its charging
surface facing up
● When a portable device is not centered on the charging area
● When the vehicle is near a TV tower, electric power plant, gas station,
radio station, large display, airport or other facility that ge nerates strong
radio waves or electrical noise
● When the portable device is in contact with, or is covered by a ny of the fol-
lowing metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Metal hand warmers
• Media such as CDs and DVDs
● When wireless keys (that emit radio waves) other than those of your vehi-
cle are being used nearby.
If in situations other than above the wireless charger does not operate prop-
erly or the operation indicator light is blinking, the wireless charger may be
malfunctioning. Contact your Toyota dealer.
■ To prevent failure or damage to data
● Do not bring magnetic cards, such as a credit card, or magnetic recording
media, close to the wireless charger. Otherwise, data may be er ased due
to the influence of magnetism.
Additionally, do not bring precision instruments such as wrist watches,
close to the wireless charger, as such objects may malfunction.
● Do not leave portable devices in the cabin. The temperature ins ide the
cabin may become high when parked in the sun, and cause damage to the
device.
■ To prevent battery discharge
Do not use the wireless charger for a long period of time with the engine is
stopped.

401
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 402
Cleaning and protecting the vehicle interior ........... 406
6-2. Maintenance Maintenance requirements ................... 409
General maintenance ........ 411
Emission inspection and maintenance (I/M)
programs ......................... 414 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 415
Hood ................................. 417
Engine compartment ......... 419
Tires .................................. 431
Tire inflation pressure ....... 442
Wheels .............................. 445
Air conditioning filter.......... 448
Wireless remote control/ electronic key battery ...... 451
Checking and replacing fuses ............................... 455
Light bulbs......................... 458

4036-1. Maintenance and care
6
Maintenance and care
■Wheels and wheel ornaments (if equipped)
●Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather
■ Brake pads and calipers
Rust may form if the vehicle is parked with wet brake pads or d isc rotors,
causing them to stick. Before parking the vehicle after it is washed, drive
slowly and apply the brakes several times to dry the parts.
■ Bumpers and side moldings
Do not scrub with abrasive cleaners.
■ Plated portions
If dirt cannot be removed, clean the parts as follows:
●Use a soft cloth dampened with an approximately 5% solution of neutral
detergent and water to clean the dirt off.
● Wipe the surface with a dry, soft cloth to remove any remaining moisture.
● To remove oily deposits, use alcohol wet wipes or a similar product.
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may
cause the electrical components, etc., to catch fire.
■ Precautions regarding the exhaust pipe
Exhaust gases cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe unti l it has
cooled sufficiently, as touching hot exhaust pipe can cause burns.

4106-2. Maintenance
■Resetting the message indicating maintenance is required (U.S.A. only)
After the required maintenance is performed according to the ma intenance
schedule, please reset the message.
To reset the message, follow the procedure described below:
Press “<” or “>” of meter control switches and select on the m ulti-infor-
mation display.
Press “
” or “” of meter control switches and select “Settings”, and then
press .
Press “
” or “” of meter control switches and select “Maintenance Reset”,
and then press .
Select the “YES” and press .
■ Allow inspection and repairs to be performed by a Toyota dealer
●Toyota technicians are well-trained specialists and are kept up to date with
the latest service information. They are well informed about the operations
of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem shoul d arise
while your vehicle is under warranty, your Toyota dealer will p romptly take
care of it.
WARNING
■ If your vehicle is no t properly maintained
Improper maintenance could result in serious damage to the vehi cle and
possible death or serious injury.
■ Handling of the battery
● Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of Cali fornia to
cause cancer and birth defects and other reproductive harm. Work in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of Califor-
nia to cause cancer and birth defects or other reproductive har m. Avoid
exposure and wash any affected area immediately.
● Battery posts, terminals and related accessories contain lead and lead
compounds which are known to cause brain damage. Wash your hands
after handling. ( P. 428)
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2
3
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4116-2. Maintenance
6
Maintenance and care
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “Owner’s Warranty
Information Booklet” or “Own er’s Manual Supplement/Sched-
uled Maintenance Guide”. It is recommended that any problem
you notice should be brought to the attention of your Toyota
dealer or qualified s ervice shop for advice.
Engine compartment
ItemsCheck points
BatteryCheck the connections. (P. 428)
Brake fluidIs the brake fluid at the correct level? ( P. 425)
Engine coolantIs the engine coolant at the correct level? (P. 423)
Engine oilIs the engine oil at the correct level? (P. 421)
Exhaust systemThere should not be any fumes or strange sounds.
Power steering fluidIs the power steering fluid at correct level?
(P. 426)
Radiator/condenserThe radiator and condenser should be free from for-
eign objects. ( P. 425)
Washer fluidIs there sufficient washer fluid? (P. 430)

4136-2. Maintenance
6
Maintenance and care
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work prop-erly?
Fluid leaks• There should not be any signs of fluid leakageafter the vehicle has been parked.
Tires
• Is the tire inflati on pressure correct?
• The tires should not be damaged or exces- sively worn.
• Have the tires been rotated according to the maintenance schedule?
• The wheel nuts should not be loose.
Lights• Do all the lights come on?
Windshield wipers
• The wiper blades should not show any signs
of cracking, splitting, wear, contamination or
deformation.
• The wiper blades should clear the windshield without streaking or skipping.
WARNING
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before per-
forming maintenance checks.

4156-3. Do-it-yourself maintenance
6
Maintenance and care
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
Battery condition
(  P. 428)• Warm water• Baking soda• Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 425)• FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant
level ( P. 423)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with
55% coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(  P. 421)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P. 455)• Fuse with same amperage rating as original
Light bulbs
( P. 458)
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver• Wrench
Power steering
fluid level

(
P. 426)
• Automatic transmission fluid DEXRON® II or III
• Rag or paper towel
• Funnel (used only for adding power steering fluid)
Radiator and
condenser
(
P. 425)

Tire inflation
pressure
(  P. 442)• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 430)• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)

4166-3. Do-it-yourself maintenance
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■ When working on the engine compartment
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc., right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper and r ags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or t he bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.,
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.