2008 Lexus IS F Owner's Manual

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1-2. Opening, closing and locking the doors and trunk
08_IS F_U_(L/O_0711)
Antenna location and effective range■ Antenna location
Antennas outside cabin
Antennas inside cabin
Antenna inside trunk
Antenna outside trunk

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1-2. Opening, closing and locking the doors and trunk
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Before driving
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Effective range (areas within wh ich the electronic key is detected)
When locking or unlocking
the doors
The system can be operated
when the electronic key is
within about 2.3 ft. (70 cm) of
either of the outside front
door handles. (Only the doors
detecting the key can be
operated.)
When unlocking the trunk
The system can be operated
when the electronic key is
within about 2.3 ft. (70 cm) of
the trunk release button.
When starting the engine
or changing “ENGINE
START STOP” switch
modes
The system can be operated
when the electronic key is
inside the vehicle.

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1-2. Opening, closing and locking the doors and trunk
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■Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have
been locked/unlocked. (Locked: Once; Unlocked: Twice)
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the fol-
lowing situations, the communication between the electronic key and the vehicle
may be affected, preventing the smart access system with push-button start from
operating properly:
(Ways of coping: →P. 3 8 6 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
●When the electronic key is in contact with, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When multiple electronic keys are in the vicinity
●When another wireless key (that emits radio waves) is being used nearby
●When carrying or using the electronic key together with the following devices
that emit radio waves
• Another vehicle's electronic key or a wireless key that emits radio waves
• Personal computer or personal digital assistant (PDA)
• Digital audio player
• Portable game system
●If window tint with a metallic content or metallic objects are attached to the rear
window

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1-2. Opening, closing and locking the doors and trunk
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Before driving
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■Switching the door unlock function
It is possible to set which doors the entry function unlocks. Turn the “ENGINE START STOP” switch OFF.
When the indicator on the key surface is turned off, push and
hold , , or for approximately 5 seconds while pushingon the key.
The setting changes each time an operation is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds,
and repeat step 2.)
Unlock the doors using the wireless remote control and open one of the
doors.
If a door is not opened within 60 seconds after is pressed, the doors
will be locked again and the alarm will automatically be set. In case that
the alarm is triggered, immediately stop the alarm. ( →P. 7 2 )
STEP1
STEP2
Multi-information
displayUnlocking doorsBeep
Hold the driver's door handle
to unlock only the driver's
door
Exterior: Beeps three
times
Interior: Pings once
Hold the front passenger’s
door handle to unlock all
doors
Hold either front door handle
to unlock all doorsExterior: Beeps twice
Interior: Pings once
STEP3

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1-2. Opening, closing and locking the doors and trunk
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■Battery-saving function
In the following circumstances, the entry function is disabled in order to prevent the
vehicle and electronic key batteries from discharging.
●When the entry function has not been used for 30 days or more
●When the electronic key has been left within approximately 3 ft. (1 m) of the
vehicle for 10 minutes or more
The system will resume operation when...
●The vehicle is locked using the door handle lock switch.
●The vehicle is locked/unlocked using the wireless remote control function.
( → P. 3 4 )
●The vehicle is locked/unlocked using the mechanical key. ( →P. 3 8 6 )
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The battery becomes depleted even if
the electronic key is not used.) If the smart access system with push-button start
or the wireless remote control function does not operate, or the detection area
becomes smaller, the battery may be depleted. Replace the battery when nec-
essary. ( → P. 3 1 6 )
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances that produce a magnetic field.
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
•Glass top ranges
•Table lamps
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the
electronic key too close to the vehicle when operating the system from the outside
of the vehicle.
Depending on the position and holding condition of the electronic key, the key may
not be detected correctly and the system may not operate properly. (The alarm may
go off accidentally, or the door lock prevention may not function.)

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Before driving
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■Note for the entry function
●Even when the electronic key is within the effective range (detection areas), the
system may not operate properly in the following cases.
• The electronic key is too close to the window or outside door handle, near the
ground, or in a high place when the doors are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear bumper center when the trunk is unlocked.
• The electronic key is on the instrument panel, rear package tray or floor, or in
the glove box when the engine is started or “ENGINE START STOP” switch
modes are changed.
●As long as the electronic key is within the effective range, the doors may be
locked or unlocked by anyone.
●Even if the electronic key is not inside the vehicle, it may be possible to start the
engine if the electronic key is near the window.
●The doors may unlock if a large amount of water splashes on the door handle,
such as in the rain or in a car wash. (The doors will automatically be locked after
approximately 60 seconds if the doors are not opened and closed.)
●Gripping the door handle when wearing a glove may not unlock the door.
●If the wireless remote control is used to lock the doors when the electronic key
is near the vehicle, there is a possibility that the door may not be unlocked by the
entry function. (Use the wireless re mote control to unlock the doors.)
●A sudden approach to the effective range or door handle operation may prevent
the doors from being unlocked. In this case, return the door handle to the original
position and check that the doors unlock before pulling the door handle again.
■When the vehicle is not driven for extended periods
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of
the vehicle.
■Security feature
If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the anti-theft system automatically locks the vehicle again.

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■Alarms and warning indicators
A combination of exterior and interior alarms as well as warnings displayed on the
multi-information display are used to prevent theft of the vehicle and unforeseeable
accidents resulting from erroneous operation. Take appropriate measures in
response to any warning indications on the multi-information display. (→P. 360)
The following table describes circumstances and correction procedures when only
alarms are sounded.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 2
seconds
Tried to lock the doors using
the entry function while the
electronic key is still inside
the passenger compartmentRetrieve the electronic
key from the passenger
compartment and lock
the doors again.
Closed the trunk while the
electronic key is still inside
and all doors are lockedRetrieve the electronic
key from the trunk and
close the trunk lid.
Exterior alarm
sounds once for 60
seconds
Tried to exit the vehicle with
the electronic key and lock
the doors without first turning
the “ENGINE START STOP”
switch OFFTu r n t h e “ E N G I N E
START STOP” switch
OFF and lock the doors
again.
Exterior alarm
sounds once for 10
secondsTried to lock the vehicle using
the entry function while a
door is openClose all of the doors
and lock the doors
again.
Interior alarm
sounds continu-
ouslyTried to open the door and
exit the vehicle without shift-
ing the shift lever to P
Shift the shift lever to P.

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■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and trunk: Use the mechanical key.
(→ P. 3 8 6 )
●Starting the engine: →P. 3 8 7
■When the electronic key battery is fully depleted
→P. 3 1 6
■Customization that can be configured at Lexus dealer
It is possible to deactivate the operation signals of the system, such as the emer-
gency flashers. (Customizable features →P. 4 2 4 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
AlarmSituationCorrection procedure
Interior alarm pings
continuously
Switched to ACCESSORY
mode while the driver's door
is open (Opened the driver's
door when the “ENGINE
START STOP” switch is in
ACCESSORY mode.)
Close the driver's door.
Tu r n e d t h e “ E N G I N E S TA R T
STOP” switch OFF while the
driver's door is open
Close the driver's door.
FCC ID: NI4TMLF-1