2014 Lexus IS250C Owner's Manual

584
6-1. Specifications
IS250C/350C_U
Ply separationA parting of rubber compound between adjacent
plies
Pneumatic tire
A mechanical device made of rubber, chemicals, fab-
ric 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 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
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
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 mThe 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

585
6-1. Specifications
6
Vehicle specifications
IS250C/350C_U
*:Table 1  Occupant loading and distribution for vehicle normal load forvarious designated seating capacities
Tr e a dThat portion of a tire that comes into contact with the
road
Tr e a d r i bA 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
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
Tire related termMeaning

586
IS250C/350C_U
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart access
system with
push-button
start
(
→P. 3 2 )
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer)OnOff
Wi re le ss
remote con-
trol
(
→P. 4 4 )
Unlocking operation
Driver's door
unlocked in one
step, both side
doors unlocked
in two steps
Both side doors
unlocked in one step
Automatic door lock
function to be activated if
door is not opened after
being unlocked
OnOff
Your vehicle includes a variety of electr onic features that can be personal-
ized to your preferences. Programming these preferences requires spe-
cialized equipment and may be performed by an authorized Lexus
dealership.
Some function settings are changed simultaneously with other functions
being customized. Contact your Lexus dealer for further details.

587
6-2. Customization
6
Vehicle specifications
IS250C/350C_U
Wireless
remote con-
trol
(
→P. 4 4 )
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked
60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer) OnOff
Door lock buzzerOnOff
Trunk unlocking functionOnOff
Trunk unlocking operationPush and holdPush twice
One short push
Pa n i c f u n c t i o nOnOff
Door lock
(
→P. 4 7 )
Unlocking using a key
Driver's door
unlocked in one
step, both side
doors unlocked
in two steps
Both side doors
unlocked in one step
Speed-detecting auto-
matic door lock functionOffOn
Opening driver's door
unlocks both side doors OffOn
Shifting gears to P
unlocks both side doorsOnOff
Shifting gears to position
other than P locks both
side doors
OnOff
ItemFunctionDefault settingCustomized
setting

588
6-2. Customization
IS250C/350C_U
Steering
wheel
(
→P. 76 )
Auto tilt-away functionOnOff
Power win-
dows
(
→P. 8 2 )
Wireless remote control
linked operationOffOn
Retractable
hardtop
(
→P. 9 0 )
Retractable hardtop
operation control linked
to the intuitive parking
assist
OnOff
Automatic
light control
system
(
→P. 1 76 )
Light sensor sensitivityLevel 3Level 1 to 5
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 seconds
0 seconds
60 seconds
90 seconds
Lights
(
→P. 1 7 8 )
Daytime running light sys-
tem (U.S.A. only)OnOff
Windshield
wipers and
washer
(
→P. 1 8 2 )
Switching operation when
the vehicle is stationaryOnOff
Drip prevention functionOnOff
Ti m e e l a p s e d b e f o r e t h e
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds
ItemFunctionDefault settingCustomizedsetting

589
6-2. Customization
6
Vehicle specifications
IS250C/350C_U
Multi-information display (→P. 1 7 1 )
Intuitive park-
ing assist
(
→P. 2 0 8 )
Back sensor operation
display and buzzerOnOff
Buzzer volumeLevel 3Level 1 to 5
Distance which a sensor
detects4.9 ft. (150 cm)2.0 ft. (60 cm)
Illumination
(
→P. 3 5 4 )
Time elapsed before lights
turn off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlockedOnOff
Operation after the
“ENGINE START STOP”
switch is turned OFF
OnOff
Front foot well lightsOnOff
Shift lever lightOnOff
Outer foot lightOnOff
Available languageEnglish and French
ItemFunctionDefault settingCustomized
setting

590
IS250C/350C_U
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Maintenance data
(U.S.A. only)After the maintenance is performedP. 4 0 5
Ti r e p r e s s u r e w a r n i n g
system
• When changing the tire inflation pressure by changing traveling
speed.
•When changing the tire size.
P. 4 3 1
The following item must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.

For owners7
591
IS250C/350C_U
Reporting safety defects for U.S. owners..................... 592
Seat belt instructions for Canadian owners
(in French) ............................. 593
SRS airbag instructions for Canadian owners
(in French) ............................. 596
Headlight aim instructions for Canadian owners
(in French) ............................. 604