2007 Lexus IS250 Basic Functions / LEXUS 2007 IS350/250 OWNER'S MANUAL (OM53578U)

7
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■Effective range (areas within which 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) to
3.3 ft. (1 m) 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 70 cm (2.3 ft.) to
1 m (3.3 ft.) of the trunk
release button.
When starting the engine
or changing engine switch
modes
The system can be operated
when the electronic key is
inside the vehicle.

8
1-2. Opening, closing and locking the doors and trunk
■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 and wireless remote control func-
tion may not operate normally in the following situations. (Ways of coping:
P. 3 6 9 )
●Near a TV tower, radio station, electric power plant, airport or other facility that
generates strong radio waves
●When carrying a portable radio, cellular phone or other wireless communica-
tion device
●When multiple electronic keys are in the vicinity
●When the electronic key has come into contact with, or is covered by a metallic
object
●When a wireless key (that emits radio waves) is being used nearby
●When the electronic key has been left near an electrical appliance such as a
personal computer
■Switching the door unlock function
It is possible to set which doors the entry function unlocks.
Turn the engine switch OFF.
When the indicator on the key surface is turned off, push and
hold , , or for approximately 5 seconds while pushing
the button on the key.
STEP1
STEP2

9
1-2. Opening, closing and locking the doors and trunk
1
Before driving
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.)
■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 2 weeks 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. 1 6 )
●The vehicle is locked/unlocked using the mechanical key. (P. 3 6 9 )
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

10
1-2. Opening, closing and locking the doors and trunk
■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 0 2 )
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances.
•TVs
• Personal computers
• Recharging cellular phones or cordless phones
•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.)

11
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■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 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 30 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 remote control to unlock the doors.
■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 30 seconds after the vehicle is
unlocked, the anti-theft system automatically locks the vehicle again.

12
1-2. Opening, closing and locking the doors and trunk
■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. 344)
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.
Tried to exit the vehicle with
the electronic key and lock
the doors without first turning
the engine switch OFFTurn the engine switch
OFF 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 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-
ously
*
Tried to open the door and
exit the vehicle without shift-
ing the shift lever to P
Shift the shift lever to P.

13
1-2. Opening, closing and locking the doors and trunk
1
Before driving
*: Vehicles with an automatic transmission only
■When the electronic key battery is fully depleted
●Locking and unlocking the doors and trunk: Use the mechanical key.
(P. 3 6 9 )
●Starting the engine:P. 9 8
●Replacing the battery:P. 3 0 2
■Customization
It is possible to deactivate systems such as the smart access system with push-but-
ton start. (P. 406)
■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 ACC mode
while the driver's door is
open (Opened the driver's
door when the engine switch
is in ACC mode.)
Turn the engine switch
OFF and close the
driver's door.
Turned the engine switch
OFF while the driver's door is
open
Close the driver's door.
FCC ID: NI4TMLF-1

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1-2. Opening, closing and locking the doors and trunk
NOTICE:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful inter-
ference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.
●Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
For vehicles sold in Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.