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3
Interior features
IS350/250_U
3-5. Using the interior lights
Interior lights list
Your Lexus is equipped with the illuminated entry system to assist in enter-
ing the vehicle. Owing to the function of the system, the lights shown in the
following illustration automatically turn on/off according to the presence of
the electronic key, whether the door s are locked/unlocked, whether the
doors are opened/closed, and the “ENGINE START STOP” switch mode.
Front personal lights (→P. 3 3 1 )
Front interior lights ( →P. 3 3 1 )
Rear personal lights ( →P. 3 3 1 )
Rear interior light
Rear overhead courtesy light
Shift lever light (when the “ENGINE START STOP” switch is in
ACCESSORY or IGNITION ON mode)
Front footwell lights
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4-2. Maintenance
4
Maintenance and care
IS350/250_U
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal effort or catching)?
Automatic transmission “Park”
mechanism• Can the vehicle be held securely on an incline with the shift lever in
P?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and correct amount of free play?
Clutch pedal• Moves smoothly?
Brakes
• Not pull to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers•Function properly?
Lights
• Do all the lights come on?
• Headlights aimed correctly? (→ P. 4 5 0 )
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on
an incline?
Seat belts
• Does the seat belt system operate smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate prop- erly?
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5
When trouble arises
465
5-1. Essential information
IS350/250_U
Towing with a wheel lift-type truckFrom the front Vehicles with an automatic trans-
mission: Use a towing dolly under
the rear wheels.
Vehicles with a manual transmis-
sion: We recommend to use a tow-
ing dolly under the rear wheels.
When not using a towing dolly,
release the parking brake and shift
the shift lever to N.
From the rear (2WD models)Switch to ACCESSORY mode so
that the steering wheel is
unlocked.
From the rear (AWD models) Use a towing dolly under the front
wheels.
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490
5-2. Steps to take in an emergency
IS350/250_U
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection
procedure
Once
(Vehicles with an auto- matic transmission)
Indicates that a
door has been
opened or closed
and the “ENGINE
START STOP”
switch has been
switched twice to
ACCESSORY
mode from OFF.
Press the
“ENGINE START
STOP” switch
while applying the
brakes.
Once
(Vehicles with a manual transmission)
Indicates that a
door has been
opened or closed
and the “ENGINE
START STOP”
switch has been
switched twice to
ACCESSORY
mode from OFF.
Press the
“ENGINE START
STOP” switch
while depressing
the clutch pedal.
(Flashing)
Indicates that the
steering lock has
not released
within 3 seconds
of pressing the
“ENGINE START
STOP” switch.Press the
“ENGINE START
STOP” switch
again while turn-
ing the steering
wheel with the
brake pedal
depressed.
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506
5-2. Steps to take in an emergency
IS350/250_UTr u n k
Turn the mechanical key clock-
wise to open.
Changing “ENGINE START STOP” switch modes and starting the engine
Automatic transmissionShift the shift lever to P and apply the brakes.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
STEP1
STEP2
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6-1. Specifications
IS350/250_U
Automatic Transmission
*: The fluid capacity is provided as a reference. If replacement is necessary, con-
tact your Lexus dealer.
Manual Transmission
Clutch
IS350IS250 (2WD)IS250 (AWD)
Fluid capacity*8.3 qt.
(7.9 L, 6.9 Imp. qt.)7.9 q t .
(7.5 L, 6.5 Imp. qt.)9.9 q t.
(9.4 L, 8.2 Imp. qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
Using automatic transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied by vibra-
tion, and ultimately damage the automatic transmission of your vehicle.
Gear oil capacity1.9 qt. (1.8 L, 1.6 Imp. qt.)
Gear oil typeAPI GL-5
Recommended gear oil viscositySAE75W-90
NOTICE
Using manual transmission gear oil other than “TOYOTA Genuine Manual
Transmission Gear Oil API GL-5” may cause occurrence of gear noise or other dete-
rioration.
Clutch free play0.2 0.6 in. (5 15 mm)
Fluid typeSAE J1703 or FMVSS No.116 DOT 3
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6
Vehicle specifications
IS350/250_U
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart access
system with
push-button
start
(
→P. 2 8 )
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer)OnOff
Wireless
remote con-
trol
(
→P. 4 0 )
Unlocking operation
Driver's door
unlocked in one
step, all doors
unlocked in two
steps
All 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.
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550
6-2. Customization
IS350/250_U
Wi re le ss
remote con-
trol
(
→P. 4 0 )
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
Panic functionOnOff
ItemFunctionDefault settingCustomizedsetting