2015 TOYOTA TUNDRA Owners Manual

5299-1. Specifications
9
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

5309-1. Specifications
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity)The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
the maximum loaded vehicle weight, and
dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between compo-
nents in the bead
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees to
the centerline of the tread
CarcassThe tire structure, except tread and sidewall
rubber which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or
sidewall
CordThe strands forming the plies in the tire
Tire related termMeaning

5319-1. Specifications
9
Vehicle specifications
Cord separationThe parting of cords from adjacent rubber
compounds
CrackingAny parting within the tread, sidewall, or inner-
liner of the tire extending to cord material
CT
A pneumatic tire with an inverted flange tire
and rim system in which the rim is designed
with rim flanges pointed radially inward and
the tire is designed to fit on the underside of
the rim in a manner that encloses the rim
flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separationThe parting of the innerliner from cord material
in the carcass
Intended outboard
sidewall
(a) The sidewall that contains a whitewall,
bears white lettering, or bears manufac-
turer, brand, and/or model name molding
that is higher or deeper than the same
molding on the other sidewall of the tire, or
(b) The outward facing sidewall of an asym- metrical tire that has a particular side that
must always face outward when mounted
on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as pri-
marily intended for use on lightweight trucks
or multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflat ion pressure to which
a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Tire related termMeaning

5329-1. Specifications
Open spliceAny parting at any junction of tread, sidewall,
or innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of
the sidewalls of an inflated tire, including ele-
vations due to labeling, decorations, or protec-
tive bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and trucks,
that have a gross vehicle weight rating
(GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adja-
cent plies
Pneumatic tire
A mechanical device made of rubber, chemi-
cals, fabric and steel or other materials, that,
when mounted on an automotive wheel, pro-
vides the traction and contains the gas or fluid
that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at substantially 90
degrees to the centerline of the tread
Reinforced tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Section width
The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
SidewallThat portion of a tire between the tread and
bead
Sidewall separationThe parting of the rubber compound from the
cord material in the sidewall
Tire related termMeaning

5339-1. Specifications
9
Vehicle specifications
*: Table 1  Occupant loading and distribution for vehicle normal load forvarious designated seating capacities
Snow tire
A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-
1136 Standard Reference Test Tire, when
using the snow traction test as described in
ASTM F-1805-00, Standard Test Method for
Single Wheel Driving Traction in a Straight
Line on Snow-and Ice-Covered Surfaces, and
which is marked with an Alpine Symbol ( )
on at least one sidewall
Test rim
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
TreadThat portion of a tire that comes into contact
with the road
Tread ribA tread section running circumferentially
around a tire
Tread separationPulling away of the tread from the tire carcass
Treadwear indicators
(TWI)The projections within the principal grooves
designed to give a visual indication of the
degrees of wear of the tread
Wheel-holding fixtureThe fixture used to hold the wheel and tire
assembly securely during testing
Tire related termMeaning
Designated seating
capacity, Number of
occupantsVehicle normal load,
Number of occupantsOccupant distribution in a normally loaded
vehicle
2 through 422 in front
5 through 1032 in front, 1 in second seat
11 through 155
2 in front, 1 in second
seat, 1 in third seat, 1
in fourth seat
16 through 207
2 in front, 2 in second
seat, 2 in third seat, 1 in fourth seat

5349-2. Customization
Customizable features
■Changing by using the multimedia systemPress the “SETUP” or “APPS” button.
Entune Audio Plus or Entune Premium Audio:
Select “Setup” on the “Apps” screen.
Select “Vehicle” on the “Setup” screen.
Select “Vehicle Customization” on the “Vehicle Settings” screen.
“Vehicle Customization” screen will appear.
Choose a category displayed on the screen to display the set-
tings.
Your vehicle includes a variety of electronic features that can be
personalized to your preferences. Programming these prefer-
ences requires specialized equipment and may be performed by
your Toyota dealer.
Customizing vehicle features
1
Entune AudioEntune Audio Plus
Entune Premium Audio
2
3
4
5

5359-2. Customization
9
Vehicle specifications
Select the setting to be changed. Change each setting.
For items that can be enabled/disabled, and for items with an
operating time that can be changed, select “On” or “Off”, or select
the desired operating time.
For items with sensor sensitivity that can be changed, select “+”
or “-” to choose the desired level, then select “OK”.
A message indicating that the settings are being saved will
appear. Do not perform any other operations while this message
is displayed.
■Changing by using the mu lti-information display
 P. 9 2
Some function settings are change d simultaneously with other func-
tions being customized. Contact your Toyota dealer for further details.
Settings that can be changed using the multi-information display.
Settings that can be changed using the multimedia system.
Settings that can be changed by your Toyota dealer.
Definition of symbols: O = Available, — = Not available
■Door lock* (  P. 100)
*: If equipped
Customizable features
6
7
1
2
3
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
123

5369-2. Customization
■Wireless remote control* ( P. 101)
*: If equipped
■
Moon roof* (  P. 141)
*: If equipped
FunctionDefault settingCustomized
setting
Wireless remote control OnOff—— O
Unlocking operation Driver’s door
unlocked in one step, all doors
unlocked in two steps All doors
unlocked in
one step—O O
Automatic door lock func-
tion to be activated if door
is not opened after being
unlocked On Off
—— O
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked60 seconds0 seconds
—O O30 seconds
120 seconds
Operation signal
(Emergency flashers) On Off
—O O
Operation signal
(Buzzer)On Off—— O
Panic function
OnOff—— O
Open door reminder
buzzer (When locking the
vehicle) On Off
—— O
123
FunctionDefault settingCustomized
setting
Door key linked operation Open and close Open only—— OClose only
Off
Linked operation of com-
ponents when door key is
used Slide only Tilt only
—— O
123