lexus LFA 2012 Owner's Manual / LEXUS 2012 LFA OWNERS MANUAL (OM77006U)

379
6-1. Specifications
6
Vehicle specifications
Bias ply tireA 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
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 sidewall
Cord The strands forming the plies in the tire
Cord separation 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
Groove The 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 separation The parting of the innerliner from cord material in the
carcass
Tire related termMeaning

380
6-1. Specifications
Intended outboard side-
wall(a) The sidewall that contains a whitewall, bears
white lettering, or bear s manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other side-
wall of the tire, or
(b) The outward facing sidewall of an asymmetrical
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 primarily
intended for use on lightweight 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
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 fitted for physical dimension
requirements
Open splice Any parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameter The overall diameter of an inflated new tire
Overall width The linear distance between the exteriors of the side-
walls 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 10000 lb. or
less.
Ply A layer of rubber-coated parallel cords
Tire related termMeaning

381
6-1. Specifications
6
Vehicle specifications
Ply separationA parting of rubber comp
ound between adjacent
plies
Pneumatic tire A mechanical device made of rubber, chemicals, fab-
ric and steel or other mate
rials, 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 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 corresponding
standard tire
Section width The linear distance between the exteriors of the side-
walls 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 separation The parting of the rubber
compound from the cord
material in the sidewall
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
Te s t r i m The rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
Tr e a d That portion of a tire that comes into contact with the
road
Tire related termMeaning

382
6-1. Specifications
*: Table 1  Occupant loading and distribution for vehicle normal load for
various designated seating capacities
Tr e a d r i b A tread section running circumferentially around a
tire
Tread separation 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-holding fixture The fixture used to hold the wheel and tire assembly
securely during testing
Designated seating
capacity, Number of occupantsVehicle normal load,
Number of occupantsOccupant 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
Tire related termMeaning

383
6
Vehicle specifications
6-2.Customization
Customizable features
Your vehicle includes a variety of electronic features that can be personalized
to suit your preferences. Programming these preferences requires special-
ized equipment and may be performed by your Lexus dealer.
Some function settings are changed simultaneously with other functions being
customized. Contact your Lexus dealer for further details.
ItemFunctionDefault settingCustomized setting
Wireless
remote con-
trol
(
P. 22) Unlocking operation
Driver's door
unlocked in one
step, both side
doors unlocked
in two stepsBoth side doors
unlocked in one
step
Automatic door lock
function to be activated if
a door is not opened after
being unlocked On
Off
Time elapsed before auto-
matic door lock function is
activated if a door is not
opened after being
unlocked 60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers) On
Off
Operation signal
(Buzzer) Off
On
Door lock buzzer
(Buzzer sounding if an
attempt to lock the doors
is made when a door is
not fully closed) Off
On

384
6-2. Customization
Door lock
(
P. 2 5 )Unlocking using a key
Driver's door
unlocked in one
step, both side
doors unlocked
in two stepsBoth side doors
unlocked in one
step
Speed-detecting auto-
matic door lock function Off On
Opening driver's door
unlocks both side doors Off On
Pow e r e a s y
access system
(
P. 3 2 ) Auto away function Off On
Pow e r w i n -
dows
(
P. 4 6 ) Key linked operation Off
Open and close
Open onlyClose only
Wireless remote control
linked operation Off Open only
Automatic
light control
system
(
P. 1 5 8 ) Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds0 seconds
60 seconds
90 seconds
ASG
(Automated
Sequential
Gearbox)
(
P. 1 0 2 ) Reverse warning buzzer Intermittent Once
ItemFunctionDefault settingCustomized
setting

385
6-2. Customization
6
Vehicle specifications
Illumination
(
P. 2 0 7 )Time elapsed before lights
turn off
15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlocked On Off
Operation after the igni-
tion switch is turned to the
“LOCK” position On Off
Seat belt
reminder
(
P. 3 1 5 ) Vehicle speed linked seat
belt reminder buzzer
On
Off
ItemFunctionDefault settingCustomized
setting

386
6-3.Initialization
Items to initialize
The following items must be initialized for normal system operation in cases
such as after maintenance is performed on the vehicle.
ItemWhen to initializeReference
Oil maintenance After changing engine oil P. 132
Tire pressure warning
system When changing the tire inflation pres-
sure by changing traveling speed.
P. 2 7 1

For owners7
387
Reporting safety defects for U.S. owners..................... 388
Seat belt instructions for Canadian owners
(in French) ............................. 389
SRS airbag instructions for Canadian owners
(in French) .............................. 391

388
Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you should i mmediately inform the National
Highway Traffic Safety Administration (NHTSA) in addition to notifying
the Lexus Division of Toyota Motor Sale s, U.S.A., Inc. (Toll-free: 1-800-
25-LEXUS).
If NHTSA receives similar complaints, it may open an investigation, and if
it finds that a safety defect exists in a group of vehicles, it may order a
recall and remedy campaign. Howev er, NHTSA cannot become involved
in individual problems between you, your dealer, or Lexus Division of
Toyota Motor Sales, U.S.A., Inc.
To contact NHTSA, you may call the Vehi cle Safety Hotline toll-free at 1-
888-327-4236 (TTY: 1-800-424-9153); go to
http://www.safercar.gov ;
or write to: Administ rator, NHTSA, 1200 New Jersey Ave, S.E.,
Washington, DC 20590. You can al so obtain other information about
motor vehicle safety from
http://www.safercar.gov.