remote start Lexus IS250 2010 Using The Air Conditioning System And Defogger / LEXUS 2010 IS350 IS250 (OM53A23U) User Guide

435
4-3. Do-it-yourself maintenance
4
Maintenance and care
■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.
■When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer
can replace the battery for you.
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.

5
When trouble arises
505
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 (P. 25) in order to perform
the following 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 electronic key and vehicle is interrupted
(P. 32) 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 such cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.

550
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomized
setting
Smart access
system with
push-button
start
(
P. 2 8 )
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer)OnOff
Wireless
remote con-
trol
(
P. 4 0 )
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 electronic 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.

568
Alphabetical index
Hands-free system
for mobile phone ...............................298
Hazard lights
Switch ......................................................460
Head restraints
Adjusting .................................................. 59
Headlight aim .......................................... 451
Headlight cleaner ...................................174
Headlights
Discharge headlight
precautions .......................................458
Replacing light bulbs........................ 452
Switch ....................................................... 165
Wattage.................................................. 534
Heaters
Seat heaters ............................... 348, 351
Side mirror ............................................ 228
Hill-start assist control ......................... 196
Hood .......................................................... 397
Hooks
Cargo ......................................................360
Coat .........................................................358
Shopping bag ......................................360
Horn ............................................................ 150
I/M test ......................................................393
Identification
Engine .......................................................521
Vehicle ......................................................521
Ignition switch.......................................... 134
Illuminated entry system ....................329
Indicator lights......................................... 157
Initialization
Items to initialize .................................556Inside rear view mirror ...........................72
Interior lights
Interior lights .........................................329
Switch ........................................................ 331
Wattage ................................................. 534
Jack
Positioning a floor jack ................... 398
Vehicle-equipped jack....................492
Jack handle ............................................. 492
Keyless entry ............................................. 40
Keys
Electronic key ......................................... 24
Engine switch ........................................ 134
If you lose your keys ........................ 504
If the electronic key does not
operate properly............................505
Key number.............................................. 24
Keyless entry........................................... 40
Keys.............................................................. 24
Mechanical key ......................................25
Wireless remote control key.......... 40H
I
J
K

573
Alphabetical index
Warning buzzers
Brake system ......................................... 471
Open door ...........................................473
Seat belt reminder .............................473
Warning lights
Anti-lock brake system ...................472
Brake assist system ...........................472
Brake system ......................................... 471
Charging system ................................472
Electric power steering
warning light ......................................472
Low fuel level........................................473
Malfunction indicator lamp ...........472
Master warning light .........................473
Open door ............................................473
Pre-collision system ..........................472
Pretensioners .......................................472
Seat belt reminder light ...................473
SRS airbags ...........................................472
Tire pressure warning
light.........................................................473
Warning messages
AWD system .........................................481
Dynamic radar
cruise control ........................ 481, 483
Engine oil level .................................... 483
Engine oil maintenance.................. 483
Engine oil pressure...........................480
Hood ....................................................... 483
Intuitive parking assist .......... 481, 483
Moon roof ............................................. 483
Open door ........................................... 483
Parking brake ...................................... 483
Pre-collision system .............. 481, 483Smart access system with
push-button start ........................... 488
Steering lock.......................................... 481
Tire pressure
warning system.....................481, 483
Trunk ....................................................... 483
Washer fluid ........................................ 483
Washer
Checking ................................................ 413
Preparing and checking
before winter ..................................... 210
Switch........................................................ 169
Washing and waxing ...........................382
Weight
Cargo capacity .................................. 206
Load limits ............................................ 209
Weight.................................................... 520
Wheels ...................................................... 429
Window glasses ...................................... 76
Window lock switch ............................... 76
Windows
Power windows ..................................... 76
Rear window defogger...................228
Washer .................................................... 169
Windshield wipers................................. 169
Windshield wiper de-icer.................. 229
Wireless remote control key
Replacing the battery.......................434
WMA disc ...............................................248W