Page 483 of 648

483
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■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 your Lexus
dealer.
●Dispose of used batteries according to the local laws.
■When the card key battery needs to be replaced
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 electronic key.
●Do not bend the battery terminals.
Page 571 of 648
5
When trouble arises
571
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked
functions
Doors
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)
If communication between the electronic key and vehicle is interrupted
(
P. 33) 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.
Page 620 of 648
620
6-2. Customization
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
ItemFunctionDefault settingCustomized
setting
Door lock
(
P. 4 3 )
Unlocking using a key
Driver’s door
unlocked in 1-
step, all doors
unlocked
in 2-step
All doors
unlocked
in 1-step
Speed-detecting auto-
matic door lock functionOFFON
Opening driver’s door
unlocks all doors OFFON
Shifting the shift lever to
“P” unlocks all doorsONOFF
Shifting the shift lever to
position other than “P”
locks all doors
ONOFF
Pow e r w i n -
dows (
P. 7 5 )
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationOFFOpen
Page 621 of 648
621
6-2. Customization
6
Vehicle specifications
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
*1: This function cannot be customized unless power window operation
using the wireless remote control is enabled.
*2: Vehicles sold outside Canada
ItemFunctionDefault settingCustomized
setting
Moon roof
(
P. 7 8 )
Linked door key opera-
tionOpen and closeOpen only
Close only
Linked operation of com-
ponents when door key is
used
Slide onlyTilt only
Wireless remote control
linked operation
*1OFFOpen
Linked operation of com-
ponents when wireless
remote control used
*1OFF
Slide only
Tilt only
Automatic
light control
system
(
P. 1 5 7 )
Light sensor sensitivityLevel 3Levels 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds
0 seconds
60 seconds
90 seconds
Daytime running lightONOFF*2
Page 636 of 648

636
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Identification
Engine .................................................... 588
Vehicle ....................................................587
Ignition switch
Engine switch.........................................135
Illuminated entry system ....................382
I/M test ....................................................... 441
Immobilizer system .................................85
Indicator lights...........................................151
Initialization
Items to initialize ................................. 624
Inside rear view mirror ............................71
Instrument panel light control........... 148
Interior lights
Interior lights.........................................383
Wattage................................................. 600
Intuitive parking assist .......................... 183
Jack
Positioning a floor jack.................... 446
Vehicle-equipped jack ...................556
Jack handle ..............................................556
Keyless entry............................................... 41
Keys
Engine (ignition) switch ....................135
If the electronic key does
not operate properly ...................... 571
If you lose your keys.........................570
Key number plate ..................................24
Keys ..............................................................24
Mechanical key...................................... 25
Wireless remote control key ............ 41Lexus Link System.................................. 421
Light bulbs
Replacing ................................................ 512
Wattage .................................................600
Light sensitive optitron meter............149
Lights
Fog light switch ....................................160
Headlights switch................................ 157
Interior lights list ................................. 382
Replacing light bulbs ......................... 512
Turn signal lever................................... 144
Vanity lights.......................................... 394
Wattage .................................................600
Maintenance
Do-it-yourself maintenance..........442
General maintenance..................... 438
Maintenance data .............................586
Maintenance requirements.......... 436
Meter
Instrument panel light control ....... 148
Meters....................................................... 147
Micro dust and pollen filter ................251
Mirrors
Inside rear view mirror .........................71
Side mirror heater............................. 255
Side mirrors.............................................. 73
Vanity mirrors ..................................... 394
Moon roof................................................... 78
MP3 disc.................................................. 276
Multi-information display ....................154I
J
K
L
M
Page 640 of 648

640
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Warning messages
Anti-lock brake system...................535
Brake assist ...........................................535
Charging system ............................... 534
Dynamic radar
cruise control ...................................546
Engine oil level ....................................549
Engine oil maintenance ................. 550
Engine oil pressure ........................... 543
Headlight ............................................... 544
Hood........................................................548
Intuitive parking
assist.............................545, 550, 552
Moon roof .............................................549
Open door ...........................................548
Parking brake ......................................549
Pre-collision system ............ 545, 550
Rear lights system.............................. 544
Smart access system with
push-button start ............................553
Steering lock ...............535, 544, 555
Trunk ........................................................549
VGRS...................................................... 547
Washer fluid .........................................549Washer
Checking................................................462
Preparing and checking
before winter...................................... 219
Switch .......................................................... 161
Washing and waxing........................... 430
Weight
Cargo capacity .................................... 214
Load limits............................................... 218
Weight .................................................... 586
Wheels .......................................................477
Window glasses ...................................... 43
Window lock switch ............................... 43
Windows
Power windows ..................................... 75
Rear window defogger .................. 255
Washer....................................................... 161
Windshield wipers
Position ......................................................221
Windshield wipers................................ 161
Windshield wiper de-icer ................. 256
Winter driving tips..................................219
Wireless remote control key
Locking/Unlocking................................41
Replacing the battery ...................... 482
WMA disc ............................................... 276