2006 Lexus IS250 key battery

TABLE OF CONTENTSIndex
• Bottle holders/door pockets ......................................... 209
3-5. Other interior features............. 211 Sun visors............................................ 211
Vanity mirror ................................... 212
Clock .................................................. 213
Satellite switch es ........................... 214
Ashtrays ............................................ 217
Cigarette lighter ............................ 218
Power outlet .................................... 219
Seat heaters .................................... 220
Seat heaters and ve ntilators .... 222
Armrest ............................................ 224
Rear sunshade ............................... 225
Extended trunk.............................. 227
Coat hooks ..................................... 228
Floor mat.......................................... 229
Trunk features............................... 230
Garage door opener .................. 233
Compass......................................... 238
4-1. Maintenance and care............ 244 Cleaning and protecting the vehicle exterior................... 244
Cleaning and protecting the vehicle interior .................... 246 4-2. Maintenance.............................. 249
Maintenance requirements ..... 249
General maintena nce ................. 251
Emission inspection and maintenance (I/M)
programs ...................................... 254
4-3. Do-it-yourself maintenance............................ 255
Do-it-yourself service precautions .................................. 255
Hood................................................. 258
Positioning the jack ..................... 259
Engine compartment................... 261
Tires ................................................... 275
Tire inflation pressure................ 285
Wheels............................................. 289
Air conditioning filter................... 291
Electronic key battery ................ 293
Checking and replacing fuses ................................................ 295
Headlight aim................................ 309
Light bulbs ........................................ 310
5-1. Essential information ................ 318 If your vehicle needs to be towed ........................................ 318
If you think something is wrong ............................................. 325
4Maintenance and care
5When trouble arises

1
2
3
4
5
6
7
Fuel pump shut off system ........ 326
Event data recorder .................... 327
5-2. Steps to take in an emergency .............................. 329
If a warning light turns on or a warning buzzer sounds... .... 329
If a warning message is displayed ....................................... 334
If you have a flat tire.................... 348
If the engine will not start .......... 356
If the shift lever cannot be shifted from P .............................. 357
If you lose your keys ................... 358
When the electronic key battery is discharged ............... 359
If the vehicle battery is discharged ................................... 362
If your vehicle overheats ........... 365
If the vehicle becomes stuck................................................ 367
6-1. Specifications............................ 370 Maintenance data ........................ 370
Fuel information ........................... 384
Tire information............................. 387
6-2. Customization .......................... 395 Customizable features .............. 395 6-3. Initialization ............................... 399
Items to initialize ........................... 399
Reporting safety defects for U.S.A. owners ...................... 402
Alphabetical index.............................. 404
What to do if... ........................................ 413
6Vehicle specifications
7For US owners
Index

7
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. (Wait for
at least 5 seconds after each operation to continue an operation.)
■Battery-saving function
In the following circumstances, the entry func tion 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 2 )
●The vehicle is locked/unlocked using the mechanical key ( P. 3 5 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

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.

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 )

42
1-4. Opening and closing the windows and moon roof
■The power windows can be operated when
The engine switch is in IG-ON mode.
■Linked door lock window operation
●The power windows can be opened and closed using the mechanical key.
( P. 3 5 9 )
●The power windows can be opened using the wireless remote control. ( P. 1 2 )
■Operating the power windows after turning the engine switch OFF
The power windows can be operated for ap proximately 45 seconds even after the
engine switch is switched to ACC mode or turned OFF. They cannot, however, be
operated once either front door is opened.
■Jam protection function
If an object becomes caught between th e window and the window frame, window
travel is stopped and the window is opened slightly.
■When the battery is disconnected
The power windows must be initialized in order to ensure proper operation. (Per-
form for each window with the switch for each seat.)
Open the window halfway.
Fully close the window by pulling the switch up and continue holding the
switch for one second.
The indicator on the switch changes from a flashing pattern to being on when initial
settings are complete.
■Customization
Settings (e.g. linked door lock operation) can be changed. ( P. 3 9 5 )
STEP1
STEP2

90
2-1. Driving procedures
■If the engine does not start
The engine immobilizer system may not have been deactivated. (P. 5 0 )
■When the engine switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■Auto power OFF function
The engine switch will auto matically turn OFF when left in ACC mode for 1 hour or
more.
■Electronic key battery depletion
 P. 8
■When the electronic key battery is discharged
P. 2 9 3
■Conditions affecting operation
P. 6
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not press the accelera-
tor while starting the engine under any circumstances.
Doing so may cause an accident resu lting in death or serious injury.
■Caution when driving
Do not touch the engine switch while driving.
Pressing and holding the engine switch will stop the engine, which may lead to an
unexpected accident.