remote start Lexus IS250 2008 Using the air conditioning system and defogger / LEXUS 2008 IS250 (OM53699U) User Guide

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1-6. Theft deterrent system
Alarm
The system sounds the alarm and flashes 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, wi reless 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 using
the entry function, wireless
remote door lock function or
mechanical key.
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 function or mechanical key.
● Turn the “ENGINE START STOP” switch to ACCESSORY or
IGNITION ON mode. (The alarm will be deactivated or stopped
after a few seconds.)

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3-5. Other interior features
■Programming a Rolling Code system (for U.S.A. owners)
If your device is Rolling Code eq uipped, follow the steps under the
heading “Programming the HomeLink
” before proceeding with the
steps listed below.
Locate the training button on th e ceiling mounted garage door
opener motor. The exact location and color of the button may
vary by brand of garage door opener.
Refer to the operation manual supplied with the garage door opener
for the location of the training button.
Press the training button.
Press and release the vehi cle’s programmed HomeLink
 button
twice. 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
 transceiver and operate the garage door.
Repeat the steps above to prog ram 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 transmitter 1 to 3 in. (25 to 75 mm) away from the sur-
face of the HomeLink
.
Keep the indicator light on the HomeLink in view while programming.
Press and hold the selected HomeLink button.
Repeatedly press and release (cyc le) 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
■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.
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.

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5-2. Steps to take in an emergency
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 in order to perform the follow-
ing 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 electron ic key and vehicle is interrupted
(  P. 26) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In su ch cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.

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6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart access
system with
push-button
start
(
P. 22)
Smart access system with
push-button startOnOff
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer)OnOff
Wireless
remote con-
trol
(
P. 3 4 )
Wireless remote controlOnOff
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 elec tronic 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.