2017 LEXUS RC F wheel

6649-1. Specifications
■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
Tire size
1
2
3
4
5
6
7
1
2
3

6679-1. Specifications
9
Vehicle specifications
■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 conditions on a specified indoor laboratory test
wheel.
Sustained high temperature can cause the ma terial of the tire to degenerate and
reduce tire life, and excessive temperat ure 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 of a tire assume that it is properly inflated and
not overloaded.
Excessive speed, underi nflation, or excessive loading, either separately or in com-
bination, can cause heat buildup and possible tire failure.

6699-1. Specifications
9
Vehicle specifications
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 desi gnated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by dis-
tributing 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 determined by dis-
tributing to each axle its sh are 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
BeadThe part of the tire that is made of steel wires, wrapped
or reinforced by ply cords an d that is shaped to fit the
rim
Bead separationA breakdown of the bond between components in the
bead
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
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 th e plies in the tire
Cord separationThe parting of cords from adjacent rubber compounds
CrackingAny parting within the tread, sidewall, or innerliner of
the tire extending to cord material
Tire related termMeaning

6719-1. Specifications
9
Vehicle specifications
Overall widthThe linear distance between the exteriors of the side-
walls of an inflated tire, including elev ations due to label-
ing, decorations, or protective 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-coat ed parallel cords
Ply separationA parting of rubber compound between adjacent plies
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 substa ntially 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
SidewallThat portion of a tire between the tread and bead
Sidewall separationThe 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 Ref-
erence 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 rimThe rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
Tire related termMeaning

6729-1. Specifications
*:Table 1 ⎯ Occupant loading and distribution for vehicle normal load for various des-ignated seating capacities
TreadThat portion of a tire that comes into contact with the
road
Tread ribA tread section running circ umferentially 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 capac- ity, Number of occupantsVehicle normal load, Num- ber of occupantsOccupant distribution in a normally loaded vehicle
2 through 422 in front
5 through 1032 in front, 1 in second seat
11 through 1552 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

6799-2. Customization
9
Vehicle specifications
■Steering wheel (→P. 176)
*:If equipped
■Power windows ( →P. 183)
■Moon roof* (→ P. 187)
*:If equipped
FunctionDefault settingCustomized setting
Auto tilt away function*OnOff——O
123
FunctionDefault settingCustomized setting
Mechanical key linked oper-
ationOffOn——O
Wireless remote control
linked operationOffOn (Open only)——O
Wireless remote control
linked operation signal
(buzzer)
OnOff——O
123
FunctionDefault settingCustomized setting
Mechanical key linked oper-
ationOffOn——O
Wireless remote control
linked operationOffOn (Open only)——O
Wireless remote control
linked operation signal
(buzzer)OnOff——O
123

699What to do if... (Troubleshooting)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 207)
●Is the shift lever in P? ( →P. 210)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 152)
●Is the steering wheel unlocked? (→ P. 210)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 624)
●Is the battery discharged? ( →P. 626)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( →P. 218)
●It is locked automatically to prevent theft of the vehicle. ( →P. 210)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 183)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 210)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

703Alphabetical index
Alarm ............................................................ 83
Anchor brackets ...................................... 60
Antennas (smart access system with push-button start) ......................152
Anti-lock Brake System (ABS)....... 298 Warning light ...................................... 565
Approach warning............................... 254
Armrest .................................................... 457
ASC (Active Sound Control)....... 222, 223
Assist grip ................................................ 459
Audio input.............................................. 347
Audio system.......................................... 338 Audio input............................................ 347
AUX port/USB port........................ 347
Bluetooth
® audio.............................. 395
CD player ............................................. 369
iPod ...........................................................376
MP3/WMA/AAC disc ................ 369
Optimal use ......................................... 356
Portable music player ..................... 384
Radio ........................................................363
Steering wheel audio switch ........344
USB memory ...................................... 380 Automatic headlight leveling
system .....................................................226 Warning light .......................................566
Automatic High Beam ........................ 227
Automatic light control system .......224
Automatic transmission....................... 213 If the shift lever cannot be shifted from P ..............218
M mode .................................................... 216
Paddle shift switches............... 215, 216
AUX port .................................................347
Average fuel economy ................. 112, 119
Average vehicle speed................. 112, 119