2020 TOYOTA TUNDRA brake

5177-2. Steps to take in an emergency
7
When trouble arises
WARNING
■When using the temporary spare tire
●Remember that the temporary spare tire provided is specifically
designed for use with your vehicle. Do not use your temporary spare
tire on another vehicle.
●Do not use more than one temporary spare tires simultaneously.
●Replace the temporary spare tire with a standard tire as soon a s possi-
ble.
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
■When the spare tire is attached
The vehicle speed may not be co rrectly detected, and the following sys-
tems may not operate correctly:
Also, not only can the following system not be utilized fully, but it may
even negatively affect the drive-train components:
• 4WD system
■Speed limit when using th e temporary spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a tem porary
spare tire is installed on the vehicle.
The temporary spare tire is not designed for driving at high sp eeds. Fail-
ure to observe this precaution ma y lead to an accident causing death or
serious injury.
• ABS & Brake assist
• VSC
•TRAC
•AUTO LSD
• Pre-Collision System*
*: If equipped • Automatic High Beam*
• LDA (Lane Departure Alert)*
• Dynamic radar cruise control*
• Cruise control*
• Navigation system*

5207-2. Steps to take in an emergency
One of the following may be the cause of the problem:
● One or both of the battery t erminals may be disconnected.
● The battery may be discharged. ( P. 523)
Contact your Toyota dealer if the problem cannot be repaired, o r if repair
procedures are unknown.
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is fun ctioning
normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACC.
Press and hold the engine switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the sy stem
may be malfunctioning. Have the vehicle inspected by your Toyot a
dealer.
The starter motor does not turn over, the interior lights and h ead-
lights do not turn on, o r the horn does not sound.
Emergency start function (vehicles with a smart key system)
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521
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When trouble arises
7-2. Steps to take in an emergency
If the electronic key does not operate
properly (vehicles with a smar t key system)
Use the mechanical key (P. 122)
in order to perform the following
operations:
Locks all the doors
Unlocks all the doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again unlocks the other
doors.
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
engine switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm will
sound to indicate that the start
function cannot detect the key.
Press the engine switch.
In the event that the engine still cannot be started, contact your Toyota
dealer.
If communication between the electronic key and vehicle is
interrupted ( P. 142) or the electronic key cannot be used
because the battery is depleted, the smart key system and wire-
less remote control cannot be used. In such cases, the doors
can be opened and the engine c an be started by following the
procedure below.
Locking and unlocking the doors
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Starting the engine
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5227-2. Steps to take in an emergency
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when
stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 449)
■ Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake ped al and press
the engine switch.
The engine does not start and modes will be changed each time t he switch is
pressed. ( P. 220)

5307-2. Steps to take in an emergency
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other material to help provide tract ion
under the rear wheels.
Restart the engine.
Shift the shift lever to D or R and release the parking brake. Then,
while exercising caution, de press the accelerator pedal.
■When it is difficult to free the vehicle
Press to turn off TRAC.
Turn off TRAC and/or VSC if these functions are hampering your attempts to
free the vehicle. ( P. 321, 323)
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
WARNING
■When attempting to f ree a stuck vehicle
If you choose to push the vehicle back and forth to free it, ma ke sure the
surrounding area is clear to avoid striking other vehicles, obj ects or people.
The vehicle may also lunge forward or lunge back suddenly as it becomes
free. Use extreme caution.
■ When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pe dal depressed.
This may lead to unexpected rapid acceleration of the vehicle t hat may
cause an accident resulting in death or serious injury.
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5458-1. Specifications
8
Vehicle specifications
*1: Minimum pedal clearance when depressed with a force of 110 lbf (490 N,
50 kgf) with the engine running.
*2: Parking brake pedal travel when depressed with a force of 67.1 lbf
(300 N, 30.6 kgf).
Transfer (4WD models)
Oil capacity 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Oil typeToyota Genuine Transfer Gear oil LF or
equivalent
Recommended oil viscosity SAE 75W
Brakes
Pedal clearance*14.1 in. (104 mm) Min.
Pedal free play
0.04  0.24 in. (1  6 mm)
Brake pad wear limit 0.04 in. (1.0 mm)
Parking brake lining wear limit 0.04 in. (1.0 mm)
Parking brake pedal travel*26 — 9 clicks
Fluid typeFMVSS No. 116 DOT 3 or SAE J1703
Steering
Free playLess than 1.2 in. (30 mm)
Power steering fluid typeAutomatic transmission fluid DEXRON® II or III

5578-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim

5668-2. Customization
■Trailer brake controller* ( P. 327)
*: If equipped
■
Door lock* (  P. 127)
*: If equipped
FunctionDefault settingCustomized
setting
TBC trailer type Electric
0-4999lb Electric
5000+ lbO—O
E-O-H
0-4999lb
E-O-H
5000+ lb
TBC OFF
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FunctionDefault settingCustomized setting
Unlocking using a key Driver’s door
unlocked in one step, all doors
unlocked in two
steps All doors
unlocked in one step—— O
Speed-detecting auto-
matic door lock function On Off—O O
Shifting gears to position
other than P locks all
doors Off On
—O O
Shifting gears to P
unlocks all doors
On Off—O O
Opening the driver’s door
unlocks all doors Off On—O O
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