Lexus NX300h (2021 year). Manual in english — page 26
435
8-1. Specifications
8
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tions
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire has a
tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure (
Maximum cold tire inflation pressure (
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires (
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer tire.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE ONLY” molded on its
sidewall. This tire is designed for temporary emergency use only.
Type A
DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Tire size code
Manufacturer’s optional tire type
code (3 or 4 letters)
Manufacturing week
Manufacturing year
*
: The DOT symbol certifies that the tire
conforms to applicable Federal Motor
Vehicle Safety Standards.
Type B
DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification
E
F
G
H
I
J
K
Typical DOT and Tire Identifica-
tion Number (TIN)
A
B
C
D
E
F
G
A
B
C
436
8-1. Specifications
mark
Manufacturer’s code
Manufacturing week
Manufacturing year
*
: The DOT symbol certifies that the tire
conforms to applicable Federal Motor
Vehicle Safety Standards.
■
Typical tire size information
The illustration indicates typical tire
size.
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 digits)
Speed symbol (alphabet with one
letter)
■
Tire dimensions
Section width
Tire height
Wheel diameter
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Tire size
D
E
F
A
B
C
D
E
F
G
Tire section names
A
B
C
A
B
C
D
E
F
G
H
I
J
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8-1. Specifications
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Chafer
This information has been prepared in
accordance with regulations issued by
the National Highway Traffic Safety
Administration of the U.S. Department
of Transportation.
It provides the purchasers and/or pro-
spective purchasers of Lexus vehicles
with information on uniform tire quality
grading.
Your Lexus dealer will help answer any
questions you may have as you read this
information.
■
DOT quality grades
All passenger vehicle tires must con-
form to Federal Safety Requirements in
addition to these grades. Quality
grades can be found where applicable
on the tire sidewall between tread
shoulder and maximum section width.
For example: Treadwear 200 Traction AA
Temperature A
■
Treadwear
The treadwear grade is a comparative
rating based on the wear rate of the tire
when tested under controlled condi-
tions on a specified government test
course.
For example, a tire graded 150 would wear
one and a half (1 - 1/2) times as well on the
government course as a tire graded 100.
The relative performance of tires depends
upon the actual conditions of their use,
however, and may depart significantly from
the norm due to variations in driving habits,
service practices and differences in road
characteristics and climate.
■
Traction AA, A, B, C
The traction grades, from highest to
lowest, are AA, A, B and C, and they
represent the tire’s ability to stop on
wet pavement as measured under con-
trolled conditions on specified govern-
ment test surfaces of asphalt and
concrete.
A tire marked C may have poor traction
performance.
Warning: The traction grade assigned to
this tire is based on braking (straight
ahead) traction tests and does not include
cornering (turning) traction.
■
Temperature A, B, C
The temperature grades are A (the
highest), B, and C, representing the
tire’s resistance to the generation of
heat and its ability to dissipate heat
when tested under controlled condi-
tions on a specified indoor laboratory
test wheel.
Sustained high temperature can cause the
material of the tire to degenerate and
reduce tire life, and excessive temperature
can lead to sudden tire failure.
Grade C corresponds to a level of perfor-
mance which all passenger car tires must
meet under the Federal Motor Vehicle
Safety Standard No. 109.
Grades B and A represent higher levels of
performance on the laboratory test wheel
than the minimum required by law.
Warning: The temperature grades for this
tire are established for a tire that is prop-
erly inflated and not overloaded.
Excessive speed, underinflation, or exces-
sive loading, either separately or in combi-
Uniform Tire Quality Grading
K
438
8-1. Specifications
nation, can cause heat buildup and
possible tire failure.
Glossary of tire terminology
Tire related
term
Meaning
Cold tire
inflation
pressure
Tire pressure when the vehi-
cle 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
pressure
The maximum cold inflated
pressure to which a tire may
be inflated, shown on the
sidewall of the tire
Recom-
mended
inflation
pressure
Cold tire inflation pressure
recommended by a manu-
facturer
Accessory
weight
The combined weight (in
excess of those standard
items which may be
replaced) of 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 vehi-
cle with standard equip-
ment, 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
weight
150 lb. (68 kg) times the
number of occupants speci-
fied in the second column of
Table 1
*
that follows
Occupant
distribution
Distribution of occupants in
a vehicle as specified in the
third column of Table 1
*
below
Production
options
weight
The combined weight of
installed regular production
options weighing over 5 lb.
(2.3 kg) in excess of the
standard items which they
replace, not previously con-
sidered in curb weight or
accessory weight, including
heavy duty brakes, ride lev-
elers, roof rack, heavy duty
12-volt battery, and special
trim
Rim
A metal support for a tire or
a tire and tube assembly
upon which the tire beads
are seated
Rim diame-
ter
(Wheel
diameter)
Nominal diameter of the
bead seat
Rim size des-
ignation
Rim diameter and width
Tire related
term
Meaning
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Rim type
designation
The industry manufac-
turer’s designation for a rim
by style or code
Rim width
Nominal distance between
rim flanges
Vehicle
capacity
weight
(Total load
capacity)
The rated cargo and lug-
gage load plus 150 lb. (68
kg) times the vehicle’s des-
ignated seating capacity
Vehicle max-
imum load
on the tire
The load on an individual
tire that is determined by
distributing to each axle its
share of the maximum
loaded vehicle weight, and
dividing by two
Vehicle nor-
mal load on
the tire
The load on an individual
tire that is determined by
distributing to each axle its
share of curb weight, acces-
sory weight, and normal
occupant weight (distrib-
uted in accordance with
Table 1
*
below), and dividing
by two
Weather
side
The 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 sepa-
ration
A breakdown of the bond
between components in the
bead
Tire related
term
Meaning
Bias ply tire
A pneumatic tire in which
the ply cords that extend to
the beads are laid at alter-
nate angles substantially
less than 90 degrees to the
centerline of the tread
Carcass
The tire structure, except
tread and sidewall rubber
which, when inflated, bears
the load
Chunking
The breaking away of
pieces of the tread or side-
wall
Cord
The strands forming the
plies in the tire
Cord sepa-
ration
The parting of cords from
adjacent rubber com-
pounds
Cracking
Any parting within the
tread, sidewall, or innerliner
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 corresponding
standard tire
Tire related
term
Meaning
440
8-1. Specifications
Groove
The space between two
adjacent tread ribs
Innerliner
The layer(s) forming the
inside surface of a tubeless
tire that contains the inflat-
ing medium within the tire
Innerliner
separation
The parting of the innerliner
from cord material in the
carcass
Intended
outboard
sidewall
(a) The sidewall that con-
tains a whitewall, bears
white lettering, or bears
manufacturer, 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 side-
wall of an asymmetrical tire
that has a particular side
that must always face out-
ward when mounted on a
vehicle
Light truck
(LT) tire
A tire designated by its
manufacturer as primarily
intended for use on light-
weight trucks or multipur-
pose passenger vehicles
Load rating
The maximum load that a
tire is rated to carry for a
given inflation pressure
Maximum
load rating
The load rating for a tire at
the maximum permissible
inflation pressure for that
tire
Tire related
term
Meaning
Maximum
permissible
inflation
pressure
The maximum cold inflation
pressure to which a tire may
be inflated
Measuring
rim
The rim on which a tire is fit-
ted for physical dimension
requirements
Open splice
Any parting at any junction
of tread, sidewall, or inner-
liner that extends to cord
material
Outer diam-
eter
The overall diameter of an
inflated new tire
Overall
width
The linear distance between
the exteriors of the sidewalls
of an inflated tire, including
elevations due to labeling,
decorations, or protective
bands or ribs
Passenger
car tire
A tire intended for use on
passenger cars, multipur-
pose passenger vehicles,
and trucks, that have a gross
vehicle weight rating
(GVWR) of 10,000 lb. or
less.
Ply
A layer of rubber-coated
parallel cords
Ply separa-
tion
A parting of rubber com-
pound between adjacent
plies
Tire related
term
Meaning
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8-1. Specifications
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*
: Table 1
Occupant loading and distri-
bution for vehicle normal load for vari-
ous designated seating capacities
Pneumatic
tire
A mechanical device made
of rubber, chemicals, fabric
and steel or other materials,
that, when mounted on an
automotive wheel, provides
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 sub-
stantially 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 corresponding
standard tire
Section
width
The linear distance between
the exteriors of the sidewalls
of an inflated tire, excluding
elevations due to labeling,
decoration, or protective
bands
Sidewall
That portion of a tire
between the tread and bead
Sidewall sep-
aration
The parting of the rubber
compound from the cord
material in the sidewall
Tire related
term
Meaning
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 fit-
ted for testing, and may be
any rim listed as appropri-
ate for use with that tire
Tread
That portion of a tire that
comes into contact with the
road
Tread rib
A tread section running cir-
cumferentially around a tire
Tread sepa-
ration
Pulling 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-hold-
ing fixture
The fixture used to hold the
wheel and tire assembly
securely during testing
Tire related
term
Meaning
442
8-1. Specifications
Designated seating capac-
ity, Number of occupants
Vehicle normal load, Num-
ber of occupants
Occupant distribution in a
normally loaded vehicle
2 through 4
2
2 in front
5 through 10
3
2 in front, 1 in second seat
11 through 15
5
2 in front, 1 in second seat, 1 in
third seat, 1 in fourth seat
16 through 20
7
2 in front, 2 in second seat, 2
in third seat, 1 in fourth seat
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8-2. Customization
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8-2.Customization
When customizing vehicle features,
ensure that the vehicle is parked in a
safe place with the shift lever in P and
the parking brake set.
■
Changing using the Remote Touch
1
Press the “MENU” button on the
Remote Touch.
2
Select
on the menu screen and
select “Vehicle”.
3
Select “Vehicle Customization”.
Various setting can be changed. Refer
to the list of settings that can be
changed for details.
■
Changing using the multi-informa-
tion display
1
Press
or
of the meter con-
trol switches and select
.
2
Press
or
of the meter con-
trol switches, select the item, and
then press
.
3
Press
or
of the meter con-
trol switches, select the desired set-
ting, and then press
.
To go back to the previous screen or
exit the customize mode, press
.
Some function settings are changed simultaneously with other functions being cus-
tomized. Contact your Lexus dealer.
Settings that can be changed using the Remote Touch
Settings that can be changed using the multi-information display
Customizable features
Your vehicle includes a variety of
electronic features that can be per-
sonalized to suit your preferences.
The settings of these features can
be changed using the multi-infor-
mation display, the Remote Touch,
or at your Lexus dealer.
Customizing vehicle features
WARNING
■
Cautions during customization
As the hybrid system needs to be operat-
ing during customization, ensure that the
vehicle is parked in a place with ade-
quate ventilation. In a closed area such as
a garage, exhaust gases including harm-
ful carbon monoxide (CO) may collect
and enter the vehicle. This may lead to
death or a serious health hazard.
NOTICE
■
During customization
To prevent 12-volt battery discharge,
ensure that the hybrid system is operat-
ing while customizing features.
Customizable features
A
B
444
8-2. Customization
Settings that can be changed by your Lexus dealer
Settings that can be changed using the vehicle switch
Definition of symbols: O = Available, – =Not available
■
Door lock (
■
Smart access system with push-button start and wireless remote control
(
Function
Default setting
Customized set-
ting
Unlocking using a mechani-
cal key
Driver’s door
unlocked in first
step, all doors
unlocked in sec-
ond step
All doors
unlocked in first
step
—
—
O
—
Automatic door locking func-
tion
Shift position
linked door lock-
ing operation
Off
O
—
O
—
Speed linked
door locking
operation
O
—
O
—
Automatic door unlocking
function
Shift position
linked door
unlocking opera-
tion
Off
O
—
O
—
Driver’s door
linked door
unlocking opera-
tion
O
—
O
—
Function
Default setting
Customized set-
ting
Operation signal (emergency
flashers)
On
Off
O
—
O
—
Operation buzzer volume
5
Off
O
—
O
—
1 to 7
Time elapsed before the auto-
matic door lock function is
activated if a door is not
opened after being unlocked
60 seconds
Off
O
—
O
—
30 seconds
120 seconds
Open door reminder buzzer
(When locking the vehicle)
On
Off
—
—
O
—
C
D
A
B
C
D
A
B
C
D
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8-2. Customization
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■
Smart access system with push-button start (
■
Wireless remote control (
■
Automatic light control system (
Function
Default setting
Customized set-
ting
The doors that are unlocked
using the smart access sys-
tem with push-button start
can be selected
Driver’s door
All the doors
O
—
O
O
Smart access system with
push-button start
On
Off
—
—
O
—
Number of consecutive door
lock operations
2 times
As many as
desired
—
—
O
—
Function
Default setting
Customized set-
ting
Wireless remote control
On
Off
—
—
O
—
Unlocking operation
Driver’s door
unlocked in first
step, all doors
unlocked in sec-
ond step
All doors
unlocked in first
step
O
—
O
—
Panic function
On
Off
—
—
O
—
The function that validates the
switch of the wireless
remote control when locking
the door (
When locking the
door
When unlocking
the door
—
—
O
—
Function
Default setting
Customized set-
ting
Light sensor sensitivity
Standard
-2 to 2
O
—
O
—
Adjust the time elapsed
before the headlights auto-
matically turn off
30 seconds
Off
O
—
O
—
60 seconds
90 seconds
A
B
C
D
A
B
C
D
A
B
C
D
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8-2. Customization
■
Lights (
■
Illumination (
■
Multi-information display (
Function
Default setting
Customized set-
ting
Daytime Running Lights
(Daytime running lights can
be disabled)
On
Off
O
—
O
—
Function
Default setting
Customized set-
ting
Time elapsed before the inte-
rior lights turn off
15 seconds
Off
O
—
O
—
7.5 seconds
30 seconds
Time elapsed before the exte-
rior lights turn off
15 seconds
Off
O
—
O
—
7.5 seconds
30 seconds
Operation after the power
switch is turned off
On
Off
—
—
O
—
Operation when the doors
are unlocked
On
Off
—
—
O
—
Operation when you
approach the vehicle with the
electronic key on your person
On
Off
—
—
O
—
Footwell lighting
On
Off
—
—
O
—
Fading out of the outer foot
lights when they turn off
Long
Short
—
—
O
—
Function
Default setting
Customized set-
ting
Changeover to tachometer
when Sport mode is selected
Auto
Hybrid system
indicator (always)
—
O
—
—
Tachometer
(always)
EV indicator
On
Off
—
O
—
—
A
B
C
D
A
B
C
D
A
B
C
D
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8-2. Customization
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*1
: The default setting varies according to countries.
*2
: Some status screens cannot be registered (indicated on the multi-information display)
*3
: 2 of the following items: current fuel consumption, average fuel economy (after reset),
average fuel economy (after refuel), average fuel economy (after start), average vehicle
speed (after reset), average vehicle speed (after start), distance (driving range), dis-
tance (after start), elapsed time (after reset), elapsed time (after start), blank
*4
: Intersection guidance, Incoming calls, Adjust brightness
Language
*1
English
French
O
O
—
—
Spanish
Units
*1
miles (MPG US)
miles
(MPG Imperial)
O
O
—
—
km (L/100 km)
km (km/L)
switch settings
Drive information
1
Desired status
screen
*2
—
O
—
—
Drive information 1
Current fuel con-
sumption
*3
—
O
—
—
Average fuel con-
sumption (after
reset)
Drive information 2
Distance (range)
*3
—
O
—
—
Average speed
(after reset)
Drive information 3
Average fuel con-
sumption (after
refuel)
*3
—
O
—
—
Elapsed time
(after start)
Pop-up display
*4
On
Off
—
O
—
—
Accent color
Color 1
Color 2
O
O
—
—
Clock
24-hour display
12-hour display
—
O
—
—
Function
Default setting
Customized set-
ting
A
B
C
D
448
8-2. Customization
■
Head-up display
*
(
*
: If equipped
■
Automatic air conditioning system (
■
Eco mode (
■
Power windows (
Function
Default setting
Customized set-
ting
Route guidance to destina-
tion
On
Off
—
—
—
O
Driving assist system informa-
tion
On
Off
—
—
—
O
Audio system operation sta-
tus
On
Off
—
—
—
O
Lane display
On
Off
—
—
—
O
Function
Default setting
Customized set-
ting
Switching between outside
air and recirculated air mode
linked to “AUTO” switch
operation
On
Off
O
—
O
—
A/C Auto switch operation
On
Off
O
—
O
—
Function
Default setting
Customized set-
ting
Heating/cooling operation
minimized in Eco mode
On
Off
—
—
O
—
Function
Default setting
Customized set-
ting
Mechanical key linked opera-
tion
Off
On
—
—
O
—
Wireless remote control
linked open operation
Off
On
—
—
O
—
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
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■
Moon roof
*1
(
*1
: If equipped
*2
: This function cannot be customized unless power window operations, using the wireless
remote control or mechanical key, is enabled.
■
Turn signal lever (
■
PKSA (Parking Support Alert)
*
(
*
: If equipped
■
Intuitive parking assist
*
(
*
: If equipped
Function
Default setting
Customized set-
ting
Mechanical key linked opera-
tion
*2
Off
On
—
—
O
—
Wireless remote control
linked open or Tilt up opera-
tions
*2
Off
On
—
—
O
—
Function
Default setting
Customized set-
ting
The number of times the turn
signal lights flash automati-
cally when the turn signal
lever is moved to the first
position during a lane change
3
4
—
—
O
—
5
6
7
Off
Function
Default setting
Customized set-
ting
Buzzer volume
2
1
—
O
O
—
3
Function
Default setting
Customized set-
ting
Display setting (When intui-
tive parking assist is operat-
ing)
On
Off
—
O
O
—
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
450
8-2. Customization
■
Parking Support Brake function (for static objects)
*
(
*
: If equipped
■
Driving position memory
*
(
*
: If equipped
■
Outside rear view mirrors (
■
LTA (Lane Tracing Assist)
*
(
Function
Default setting
Customized set-
ting
Parking Support Brake func-
tion (for static objects)
On
Off
—
O
—
—
Function
Default setting
Customized set-
ting
Driver’s seat movement when
exiting the vehicle
Standard
Off
O
—
O
—
Partial
Selection the door linking
driving position memory with
door unlock operation
Driver’s door
All doors
—
—
O
—
Function
Default setting
Customized set-
ting
Automatic mirror folding and
extending operation
Linked to the
locking/unlock-
ing of the doors
Off
—
—
O
—
Linked to opera-
tion of the power
switch
Linked mirror function when
reversing
On
Off
—
—
O
—
Function
Default setting
Customized set-
ting
Lane centering function
On
Off
—
O
—
—
Steering assist function
On
Off
—
O
—
—
Alert types
Steering wheel
vibration
Buzzer
—
O
—
—
Alert sensitivity
High
Standard
—
O
—
—
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
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