2020 TOYOTA TUNDRA flat tire

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6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 400
Cleaning and protecting the vehicle interior ........... 403
6-2. Maintenance Maintenance requirements ................... 406
General maintenance ........ 408
Emission inspection and maintenance (I/M)
programs ......................... 411
6-3. Do-it-yourself maintenance Do-it-yourself service precautions ..................... 412
Hood.................................. 414
Engine compartment ......... 415
Tires .................................. 426
Tire inflation pressure........ 440
Wheels .............................. 443
Air conditioning filter .......... 446
Wireless remote control/ electronic key battery ...... 449
Checking and replacing fuses ............................... 452
Light bulbs ......................... 455 7-1. Essential information
Emergency flashers ........... 472
If your vehicle has to be stopped in
an emergency.................. 473
If the vehicle is trapped in rising water .................. 475
7-2. Steps to take in an emergency
If your vehicle needs to be towed .......................... 476
If you think something is wrong............................... 481
Fuel pump shut off system ............................. 482
If a warning light turns on or a warning buzzer
sounds ............................. 483
If a warning message is displayed ......................... 491
If you have a flat tire .......... 504
If the engine will not start ................................. 519
If the electronic key does not operate properly
(vehicles with a smart
key system) .................... 521
If the vehicle battery is discharged ....................... 523
If your vehicle overheats.... 527
If the vehicle becomes stuck ................................ 530
6Maintenance and care7When trouble arises

17Pictorial index
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 248
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 248
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 540
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 426
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 546
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 331
Checking/rotation/tire pressure warning system . . . . . . . . . . . P. 426
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 504
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 414
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 414
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 541
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 527
Camera
*4
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 234
Fog lights
*3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 244
Front turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 232
Parking lights/daytime running lights . . . . . . . . . . . . . . . . . P. 234
Rear turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 232
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 234
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 234
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 234
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Light bulbs of the exter ior lights for driving
(Replacing method: P. 455, Watts: P. 548)
*1: Vehicles with a smart key system
*2: If equipped on CrewMax models
*3: If equipped
*4: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.
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831-2. Emergency assistance
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For safety and security
■Enhanced Roadside Assistance
Enhanced Roadside Assistance adds GPS data to the already
included warranty-based Toyota roadside service.
Subscribers can press the “SOS” button to reach a Safety Connec t
response-center agent, who can he lp with a wide range of needs,
such as: towing, flat tire, fuel delivery, etc. For a description of the
Enhanced Roadside Assistance se rvices and their limitations,
please see the Safety Connect Te rms and Conditions, which are
available at Toyota.com in the United States, Toyotapr.com in
Puerto Rico and Toyota.ca in Canada.
Important! Read this informatio n before using Safety Connect.
■Exposure to radio frequency signals
The Safety Connect system installed in your vehicle is a low-po wer
radio transmitter and receiver. I t receives and also sends out radio
frequency (RF) signals.
In August 1996, the Federal Communications Commission (FCC)
adopted RF exposure guidelines with safety levels for mobile wi re-
less phones. Those guidelines are consistent with the safety stan-
dards previously set by the following U.S. and international
standards bodies.
● ANSI (American National Stand ards Institute) C95.1 [1992]
● NCRP (National Council on Radi ation Protection and Measure-
ment) Report 86 [1986]
● ICNIRP (International Commission on Non-Ionizing Radiation
Protection) [1996]
Those standards were based on comprehensive and periodic eval-
uations of the relevant scienti fic literature. Over 120 scientists, engi-
neers, and physicians from unive rsities, and government health
agencies and industries reviewed the available body of research to
develop the ANSI Standard (C95.1).
The design of Safety Connect complies with the FCC guidelines i n
addition to those standards.
Safety information for Safety Connect

1102. Instrument cluster
Multi-infor mation display
The multi-information display presents the driver with a variety of vehi-
cle data.
● Menu icons
Displays the following informa-
tion when an icon is selected.
Some of the information may be
displayed automatically
depending on the situation.
Drive information
Select to display various drive data. ( P. 1 1 1 )
Navigation system-linked display*
Select to display the following navigation system-linked information.
• Route guidance
• Compass display (north-up display/heading-up display)
Audio system-linked display
Select to enable selection of an audio source or track on the m eter
using the meter control switches.
Vehicle information
Select to display the operational status of the following syste ms:
• LDA (Lane Departure Alert)
* ( P. 272)
• Dynamic radar cruise control
* ( P. 280)
• Tire inflation pressure ( P. 427)
• Trailer brake controller
* ( P. 327)
Display contents

1152. Instrument cluster
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Instrument cluster
■Setting items
●“Vehicle Settings” and “Meter Settings” setting items are not s electable
during driving and cannot be operated.
Also, the settings screen is temporarily canceled in the follow ing situations.
• When a warning message appears.
• When the vehicle begins to move.
● Settings for functions not equipped to the vehicle are not displayed.
● When a function is turned off, the related settings for that fu nction are not
selectable.
■ Pop-up display
In some situations, such as when a switch operation is performe d, a pop-up
display will be temporarily displayed on the multi-information display.
■ When disconnecting and reco nnecting battery terminals
The drive information will be reset.
■ Trip summary display
When the engine switch is turned off, each of the following wil l be displayed
on the multi-information display, and will clear after approximately 30 sec-
onds.
● Distance traveled
● Average fuel consumption
● Driving range
■ Tire inflation pressure
●It may take a few minutes to display the tire inflation pressur e after the
engine switch is turned to ON. It may also take a few minutes t o display the
tire inflation pressure after inflation pressure has been adjusted.
● “---” may be displayed if the tire position information cannot be determined
due to unfavorable radio wave conditions.
● Tire inflation pressure changes with temperature. The displayed values may
also be different from the values measured using a tire pressur e gauge.
■ Liquid crystal display
Small spots or light spots may appear on the display. This phen omenon is
characteristic of liquid crystal displays, and there is no prob lem continuing to
use the display.

1914-1. Before driving
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Driving
NOTICE
■When driving the vehicle
● Do not depress the accelerator and brake pedals at the same tim e during
driving, as this may restrain the engine output.
● Do not use the accelerator pedal or depress the accelerator and brake
pedals at the same time to hold the vehicle on a hill.
■ When parking the vehicle
Always set the parking brake, and shift the shift lever to P. F ailure to do so
may cause the vehicle to move or the vehicle may move suddenly if the
accelerator pedal is accidentally depressed.
■ Avoiding damage to vehicle parts
● Do not turn the steering wheel fully in either direction and ho ld it there for
an extended period of time.
Doing so may damage the power steering pump.
● When driving over bumps in the road, drive as slowly as possibl e to avoid
damaging the wheels, underside of the vehicle, etc.
■ If you get a flat tire while driving
A flat or damaged tire may cause the following situations. Hold the steering
wheel firmly and gradually depress the brake pedal to slow down the vehi-
cle.
● It may be difficult to control your vehicle.
● The vehicle will make abnormal sounds or vibrations.
● The vehicle will lean abnormally.
Information on what to do in case of a flat tire ( P. 504)
■ When encountering flooded roads
Do not drive on a road that has flooded after heavy rain, etc. Doing so may
cause the following serious damage to the vehicle:
● Engine stalling
● Short in electrical components
● Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle i s flooded, be
sure to have your Toyota dealer check the following:
● Brake function
● Changes in quantity and quality of oil and fluid used for the engine, trans-
mission, transfer (4WD models) differentials, etc.
● Lubricant condition for the propeller shaft, bearings and suspe nsion joints
(where possible), and the function of all joints, bearings, etc .

2094-1. Before driving
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Driving
Your vehicle will handle differently when towing a trailer. To help avoid
an accident, death or serious injury, keep the following in min d when
towing:
● Speed limits for towing a trailer vary by state or province. Do not
exceed the posted to wing speed limit.
● Toyota recommends that the vehicl e-trailer speed limit is 65 mph
(104 km/h) on a flat, straight, dry road. Do not exceed this li mit, the
posted towing speed limit or the speed limit for your trailer a s set
forth in your trailer owner’s manu al, whichever is lowest. Instability
of the towing vehicle-trailer combination (trailer sway) increa ses as
speed increases. Exceeding speed limits may cause loss of contr ol.
● Before starting out, check the trailer lights, tires and the vehicle-
trailer connections. Recheck af ter driving a short distance.
● Practice turning, stopping and reversing with the trailer attac hed in
an area away from traffic until you become accustomed to the fe el
of the vehicle-trailer combination.
● Reversing with a trailer attached is difficult and requires pra ctice.
Grip the bottom of the steering wheel and move your hand to the
left to move the trailer to the left. Move your hand to the rig ht to
move the trailer to the right. (This is generally opposite to r eversing
without a trailer attached.) Avoid sharp or prolonged turning. Have
someone guide you when reversing to reduce the risk of an acci-
dent.
● As stopping distance is increased when towing a trailer, vehicl e-to-
vehicle distance should be increased. For each 10 mph (16 km/h)
of speed, allow at least one v ehicle and trailer length.
Trailer towing tips

2124-1. Before driving
■Trailer brake controller
P. 327
■ Matching trailer ball height to trailer coupler height
■ Before towing
Check that the following conditions are met:
●Ensure that your vehicle’s tires are properly inflated. ( P. 546)
● Trailer tires are inflated according to the trailer manufacture r’s recommen-
dation.
● All trailer lights work as required by law.
● All lights work each time you connect them.
● The trailer ball is set at the proper height for the coupler on the trailer.
● The trailer is level when it is hitched.
Do not drive if the trailer is not level, and check for imprope r tongue weight,
overloading, worn suspension, or other possible causes.
● The trailer cargo is securely loaded.
● The rear view mirrors conform to all applicable federal, state/provincial or
local regulations. If they do not, install rear view mirrors ap propriate for tow-
ing purposes.
● Depress TOW/HAUL button (if equipped). ( P. 228)
● The manual headlight leveling dial is correctly adjusted. ( P. 236)
No matter which class of tow hitch
applies, for a more safe trailer hookup,
the trailer ball setup must be the proper
height for the coupler on the trailer.
Coupler
Trailer ball
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