2010 Lexus IS250 remote start

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1-6. Theft deterrent system
IS350/250_U
Alarm
The system sounds the alarm and flashes the lights when forcible entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations.
● A locked door or trunk is unlocked or opened in any way other
than using the entry function, wireless remote door lock function
or mechanical key with the alarm being set.
● The hood is opened with the alarm being set.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors.
The system will be set automati-
cally after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
● Unlock the doors or trunk using the entry function, wireless
remote door lock functi on or mechanical key.
● Turn the “ENGINE START STOP” switch to the ACCESSORY or
IGNITION ON mode or start th e engine. (The alarm will be
deactivated or stopped after a few seconds.)

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3-7. Other interior features
3
Interior features
IS350/250_U■
Programming a Rolling Code sy stem (for U.S.A. owners)
If your device is Rolling Code equipped, follow the steps under the
heading “Programming the HomeLink
” before proceeding with the
steps listed below.
Locate the learn button on the ceiling mounted garage door
opener motor. The exact location and color of the button may
vary by brand of garage door opener motor.
Refer to the operation manual supplied with the garage door opener
motor for the location of the learn button.
Press the learn button.
Following this step, you have 30 seconds in which to initiate step 3
below.
Press and hold the vehicle's programmed HomeLink button for
2 seconds and release it. Repeat this step once again. The garage
door may open.
If the garage door opens, the programming process is complete. If the
door does not open, press and release the button a third time. This third
press and release will complete the programming process by opening
the garage door.
The ceiling mounted garage door op ener motor should now recognize
the HomeLink
 signal and operate the garage door.
Repeat the steps above to program another rolling code system
for any of the remaining HomeLink buttons.
■ Programming an entry gate (for U.S.A. owners)/Programming all
devices in the Canadian market
Place your transmit ter 1 to 3 in. (25 to 75 mm) away from the sur-
face of the HomeLink
.
Keep the HomeLink indicator light in view while programming.
Press and hold the selected HomeLink button.
Repeatedly press and release (cycle) the device’s remote control
button for two seconds each until step 4 is complete.
When the indicator light on the HomeLink
 compatible trans-
ceiver start to flashing rapidly, release the buttons.
STEP1
STEP2
STEP3
STEP4
STEP1
STEP2
STEP3
STEP4

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4-3. Do-it-yourself maintenance
4
Maintenance and care
IS350/250_U
■If the electronic key battery is discharged
The following symptoms may occur.
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range is reduced.
■Use a CR1632 lithium battery
●Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by a Lexus dealer.
●Dispose of used batteries according to the local laws.
■When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer
can replace the battery for you.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other components inside the remote control.
●Do not bend either of the battery terminals.

5
When trouble arises
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5-2. Steps to take in an emergency
IS350/250_U
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
Doors
Remove the cover on the driver’s
door handle using the mechanical
key (→P. 25) in order to perform
the following operations.
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/moon roof
(turn and hold)
Return the cover to the original
position after use.
If communication between the electronic key and vehicle is interrupted
( → P. 32) or the electronic key cann ot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.

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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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Alphabetical index
IS350/250_U
Hands-free system for mobile phone ...............................298
Hazard lights Switch ......................................................460
Head restraints Adjusting .................................................. 59
Headlight aim .......................................... 451
Headlight cleaner ...................................174
Headlights Discharge headlight
precautions .......................................458
Replacing light bulbs........................ 452
Switch ....................................................... 165
Wattage.................................................. 533
Heaters Seat heaters............................... 348, 351
Side mirror ............................................ 228
Hill-start assist control ......................... 196
Hood .......................................................... 397
Hooks
Cargo ......................................................360
Coat .........................................................358
Shopping bag......................................360
Horn ............................................................ 150
I/M test ......................................................393
Identification Engine ...................................................... 519
Vehicle ..................................................... 519
Ignition switch.......................................... 134
Illuminated entry system ....................329
Indicator lights......................................... 157
Initialization Items to initialize ................................ 555 Inside rear view mirror ...........................72
Interior lights
Interior lights .........................................329
Switch........................................................ 331
Wattage ................................................. 533
Jack Positioning a floor jack ................... 398
Vehicle-equipped jack....................492
Jack handle ............................................. 492
Keyless entry ............................................. 40
Keys Electronic key ......................................... 24
Engine switch ........................................ 134
If you lose your keys ........................ 504
If the electronic key does not operate properly............................505
Key number.............................................. 24
Keyless entry........................................... 40
Keys.............................................................. 24
Mechanical key ......................................25
Wireless remote control key.......... 40H
I
J
K

573
Alphabetical index
IS350/250_U
Warning buzzersBrake system ......................................... 471
Open door ...........................................473
Seat belt reminder .............................473
Warning lights Anti-lock brake system ...................472
Brake assist system ...........................472
Brake system ......................................... 471
Charging system ................................472
Electric power steering
warning light ......................................472
Low fuel level........................................473
Malfunction indicator lamp ...........472
Master warning light .........................473
Open door ............................................473
Pre-collision system ..........................472
Pretensioners .......................................472
Seat belt reminder light ...................473
SRS airbags ...........................................472
Tire pressure warning
light.........................................................473
Warning messages
AWD system .........................................481
Dynamic radar cruise control ........................ 481, 483
Engine oil level .................................... 483
Engine oil maintenance.................. 483
Engine oil pressure...........................480
Hood ....................................................... 483
Intuitive parking assist .......... 481, 483
Moon roof............................................. 483
Open door ........................................... 483
Parking brake ...................................... 483
Pre-collision system .............. 481, 483 Smart access system with
push-button start ........................... 488
Steering lock.......................................... 481
Tire pressure warning system.....................481, 483
Trunk ....................................................... 483
Washer fluid ........................................ 483
Washer
Checking ................................................ 413
Preparing and checking before winter ..................................... 210
Switch........................................................ 169
Washing and waxing ...........................382
Weight Cargo capacity .................................. 206
Load limits ............................................ 209
Weight...................................................... 518
Wheels ...................................................... 429
Window glasses ...................................... 76
Window lock switch ............................... 76
Windows Power windows ..................................... 76
Rear window defogger...................228
Washer .................................................... 169
Windshield wipers................................. 169
Windshield wiper de-icer.................. 229
Wireless remote control key Replacing the battery.......................434
WMA disc ...............................................248W