2023 TOYOTA TUNDRA tow

3725-3. Using the storage features
■Grocery bag hooks
Grocery bag hook is designed
to hang things like grocery bag.
NOTICE
■When using the tonneau cover
● Deck area is not waterproof, so take care when transporting ite ms which
may be damaged by water.
● Do not drive the vehicle with objects on top of the tonneau cov e r.
● Take care when operating and storing the tonneau cover to avoid scratch-
ing its outer surfaces. When stowing, stand it up with the section with stor-
age straps facing upward.
● Take care when removing and installing the tonneau cover, as it is heavy.
● To avoid damage, secure the storage straps to the snaps provided. Failure
to do so could result in broken buckle, or damage deck rail.
Behind the rear seat (Double Cab models only)

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.

3995-4. Other interior features
5
Interior features
■Circling calibration
Stop the vehicle in a place where it is safe to drive in a circle.
Press and hold the button for
9 seconds.
“C” appears on the compass
display.
Drive the vehicle at 5 mph
(8 km/h) or less in a circle
until a direction is displayed.
If there is not enough space to
drive in a circle, drive around the
block until a direction is dis-
played.
■ Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
● The vehicle is stopped immediately after turning.
● The vehicle is on an inclined surface.
● The vehicle is in a place where the earth’s magnetic field is subject to inter-
ference by artificial magnetic fields (underground car park/par king lot, under
a steel tower, between buildings, roof car park/parking lot, near an intersec-
tion, near a large vehicle, etc.).
● The vehicle has become magnetized.
(There is a magnet or metal object near the inside rear view mi rror.)
● The battery has been disconnected.
● A door is open.
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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)

4366-3. Do-it-yourself maintenance
■Initializing the tire pressure warning system (if equipped)
Initialize the system with the tire inflation pressure adjusted to the speci-
fied level.
■If the tread on snow tires wea rs down below 0.16 in. (4 mm)
The effectiveness of the tires as snow tires is lost.
■Situations in which the tire pressure warning system may not op er-
ate properly (if equipped)
●In the following cases, the tire pressure warning system may no t operate
properly.
• If non-genuine Toyota wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equip-
ment) tire.
• A tire has been replac ed with a tire that is not of the specif ied size.
• Tire chains, etc., are equipped.
• An auxiliary-supported ru n-flat tire is equipped.
• If a window tint that affects the radio wave signals is instal led.
• If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is extremely higher than the sp ecified
level.
• If wheel without the tire pressure warning valve and transmitt er is
used.
• If the ID code on the tire pressure warning valves and transmi tters is
not registered in the tire pressure warning computer.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio stat ion, large
display, airport or other facilit y that generates strong radio waves or
electrical noise
• When carrying a portable radio, cellular phone, cordless phone or
other wireless communication device
●When the vehicle is parked, the time taken for the warning to s tart or go
off could be extended.
●When tire inflation pressure declines rapidly for example when a tire has
burst, the warning may not function.

4486-3. Do-it-yourself maintenance
Air conditioning filter
Vehicles without a smart key system:
Turn the engine switch to the “LOCK” position.
Vehicles with a smart key system:
Turn the engine switch off.
Open the glove box.
Remove the cover by sliding up
and then pull the cover toward
you.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
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4536-3. Do-it-yourself maintenance
6
Maintenance and care
■Use a CR2016 (vehicles without a smart key system) or CR2032 (vehicles
with a smart key system) lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) and wireless remote control will not
function properly.
● The operational range will be reduced.
WARNING
■ Battery precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
● Do not swallow the battery. Doing so may cause chemical burns.
● A coin battery or button battery is used in the electronic key. If a battery is
swallowed, it may cause severe chemical burns in as little as 2 hours and
may result in death or serious injury.
● Keep away new and removed batteries from children.
● If the cover cannot be firmly closed, stop using the electronic key and stow
the key in the place where children cannot reach, and then contact your
toyota dealer.
● If you accidentally swallow a battery or put a battery into a part of your
body, get emergency medical attention immediately.
■ To prevent battery explosion or leakage of flammable liquid or gas
● Replace the battery with a new battery of the same type. If a w rong type of
battery is used, it may explode.
● Do not expose batteries to extremely low pressure due to high altitude or
extremely high temperatures.
● Do not burn, break or cut a battery.
■ Certification for the lithium battery
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN
INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO
THE INSTRUCTIONS

471
7When trouble arises
7-1. Essential informationEmergency flashers .......... 472
If your vehicle has to be stopped in
an emergency ................. 473
If the vehicle is submerged or water on
the road is rising.............. 475 7-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 476
If you think something is wrong ......... 480
Fuel pump shut off system ............................ 481
If a warning light turns on or a warning buzzer
sounds ............................ 482
If a warning message is displayed......................... 489
If you have a flat tire.......... 511
If the engine will not start ................................. 526
If the electronic key does not operate properly
(vehicles with a smart key
system) ........................... 528
If the vehicle battery is discharged ...................... 530
If your vehicle overheats ... 534
If the vehicle becomes stuck ............................... 536