alarm Lexus IS250 2006 Do-it-yourself maintenance / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNER'S MANUAL (OM53508U)

TABLE OF CONTENTSIndex
1-1. Key information .............................. 2Keys ......................................................... 2
1-2. Opening, closing and locking the doors and trunk ..................... 4
Smart access system with push-button start ............................. 4
Wireless remote control ............... 12
Doors..................................................... 15
Trunk...................................................... 19
1-3. Adjustable components ............ 22 Front seats .......................................... 22
Driving position memory ............. 24
Seat position memory ................... 27
Head restraints................................. 29
Seat belts ........................................... 30
Steering wheel (manually adjustable type) ....... 36
Steering wheel (power-adjustable type)............ 37
Anti-glare inside rear view mirror ............................................... 38
Outside rear view mirrors ........... 39
1-4. Opening and closing the windows and moon roof ........... 41
Power windows................................. 41
Moon roof .......................................... 44 1-5. Refueling ........................................ 47
Opening the fuel tank cap........... 47
1-6. Anti-theft system ........................ 50 Engine immobilizer system ........ 50
Alarm.................................................... 52
Theft prevention labels (U.S.A.) ............................................. 54
1-7. Safety information ....................... 55 Correct driving posture ............... 55
SRS airbags ....................................... 57
Child restraint sy stems ................. 68
Installing child restraints ................. 71
2-1. Driving procedures.................... 82 Driving the vehicle .......................... 82
Starting the engine ......................... 89
Automatic Transmission .............. 92
Manual Transmission..................... 96
Turn signal lever............................... 98
Parking brake ................................... 99
2-2. Instrument cluster ..................... 100 Gauges and meters ..................... 100
Indicators and warning lights................................................. 106
Multi-information display........... 109
1Before driving
2When driving

Before driving1
1
1-1. Key information............................ 2Keys....................................................... 2
1-2. Opening, closing and locking the doors and trunk................... 4
Smart access system with push-button start .......................... 4
Wireless remote control............. 12
Doors.................................................. 15
Trunk ................................................... 19
1-3. Adjustable components .......... 22 Front seats ....................................... 22
Driving position memory .......... 24
Seat position memory ................ 27
Head restraints.............................. 29
Seat belts ......................................... 30
Steering wheel (manually adjustable type) .... 36
Steering wheel (power-adjustable type) ......... 37
Anti-glare inside rear view mirror ............................................. 38
Outside rear view mirrors ........ 39 1-4. Opening and closing the
windows and moon roof ........ 41
Power windows ............................... 41
Moon roof ....................................... 44
1-5. Refueling ..................................... 47 Opening the fuel tank cap ........ 47
1-6. Anti-theft system ...................... 50 Engine immobilizer system ...... 50
Alarm ................................................ 52
Theft prevention labels (U.S.A.) .......................................... 54
1-7. Safety information .................... 55 Correct driving posture ............ 55
SRS airbags .................................... 57
Child restraint systems .............. 68
Installing child restraints .............. 71

8
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. 2 9 3 )
●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 wh en 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 corr ectly and the system may not operate properly. (The alarm may
go off accidentally, or the door lock prevention may not function.)
■Note for the entry function
●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 do ors 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.)
■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.

9
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■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. 3 3 4 )
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.

10
1-2. Opening, closing and locking the doors and trunk
*: 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 5 9 )
●Starting the engine: P. 8 9
●Replacing the battery: P. 2 9 3
■Customization
It is possible to deactivate systems such as the smart access system with push-but-
ton start. ( P. 3 9 5 )
■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

12
1-2. Opening, closing and locking the doors and trunk
Wireless remote control
■2-step unlocking function
When you push the button, the driver's door is unlocked. Pushing the button
again within 3 seconds unlocks the other doors.
■Operation signals
Doors: A buzzer sounds and the emergenc y flashers flash to indicate that the
doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Trunk: A buzzer sounds to indicate that the trunk has been unlocked.
Windows and moon roof: A buzzer sounds continuously while the windows and
moon roof are being opened.
■Door lock buzzer
If a door is not fully closed, a buzzer soun ds continuously if an attempt to lock the
door is made. Fully close the door to st op the buzzer, and lock the vehicle once
more.
■Electronic key battery depletion
 P. 8
■Security feature
P. 8
■When the electronic key battery is fully depleted
P. 1 0
The wireless remote control can be used to lock and unlock the vehicle and
the trunk from outside the vehicle.
Locks all doors
Unlocks all doors
Opens the windows and
moon roof (push and hold)
Unlocks the trunk
(push and hold)
Sounds alarm
(push and hold) ( P. 5 2 )

52
1-6. Anti-theft system
Alarm
Deactivating or stopping the alarmDo one of the following:
● Unlock the doors or trunk using th e entry function or the wireless
remote door lock function.
● Start the engine. (The alarm will be deactivated or stopped after a few
seconds.)
■Items to check before locking the vehicle
To prevent unintended triggering of the alar m, check that there is no one in the vehi-
cle, and that all windows and moon roof are closed before locking the vehicle.
The alarm is triggered if forcible entry is detected (horn, head lights, tail
lights, interior lights and emergency flashers).
To arm the alarm, exit the vehi-
cle, make sure that the doors,
trunk and hood are closed, and
lock all the doors.
The changes will begin operat-
ing automatically after 30 sec-
onds.
The indicator changes from
being on to a flashing pattern
when the system begins to oper-
ate.

53
1-6. Anti-theft system
1
Before driving
■Alarm operation
The alarm is triggered in the following situations
●A locked door or trunk is opened in any way other than using a wireless remote
control, such as someone exiting the vehicle after the alarm is activated.
●The hood is opened while the vehicle is locked.
●The battery is reconnected.
■When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is discharged before canceling the alarm, the system may be triggered
when the battery is reconnected.
■Pa n i c m o d e
When is pushed for longer than about
one second, the headlights/tail lights/emer-
gency flashers will flash, the front and rear
interior lights will come on, and an alarm will
sound for about 60 seconds to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, push any button on the
wireless remote control.

131
2-4. Using other driving systems
2
When driving
CAUTION
■Situations unsuitable for dynamic radar cruise control
Do not use dynamic radar cruise control in any of the following situations.
Doing so may result in inappropriate co ntrol of speed and could cause serious or
fatal accident.
●In heavy traffic
●On roads with sharp bends
●On winding roads
●On slippery roads, such as thos e covered with rain, ice or snow.
●Where there are sudden changes between sharp up and down gradients
●At entrances to expressways
●When weather conditions are bad enough that they may prevent the sensors
from functioning correctly (f og, snow, sandstorm, etc.)
●Where buzzer can be heard often
■When the radar sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles are in
front of you.
As the sensor may not be able to correctl y detect these types of vehicles, the prox-
imity alarm ( P. 334) will not be activated, and an accident may result.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving
●Vehicles with small rear ends (tra ilers with no load on board etc.)
●Motorcycles traveling in the same lane

360
5-2. Steps to take in an emergency
Starting the engineFor vehicles with an automatic tr ansmission: Put the shift lever in P
and apply the brakes.
For vehicles with a manual transmission: Depress the clutch
pedal.
Hold the electronic key close to
the engine switch (within 0.4 in.
[10 mm]). Make sure that the but-
ton side of the key is facing away
from the engine switch.
An alarm will sound to indicate that
the start function cannot detect the
key with the depleted battery if any
of the doors will be opened and
closed while this operation.
For vehicles with an automati c transmission: Press the engine
switch within 5 seconds [after the buzzer sounds], keeping the
brake pedal depressed.
For vehicles with a manual tra nsmission: Press the engine switch
within 5 seconds [after the buzzer sounds], keeping the clutch
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
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