2010 Lexus GS450h remote control

495
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■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.

5
When trouble arises
575
5-2. Steps to take in an emergency
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
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. 37)
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. 45) 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 hybrid system can be started by following the procedure
below.

617
6-2. Customization
6
Vehicle specifications
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
ItemFunctionDefault settingCustomized
setting
Door lock 
(
P. 5 5 )
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. 8 7 )
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationOFFOpen

618
6-2. Customization
GS_HV_U (OM30C81U)
January 28, 2010 10:42 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. 9 0 )
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. 171)
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
Windshield
wipers and
washer 
(
P. 1 7 5 )
Switching operation when
the vehicle is stationaryONOFF
Drip prevention functionONOFF
Time elapsed before the
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds

634
Alphabetical index
GS_HV_U (OM30C81U)
February 1, 2010 11:29 am
Horn ............................................................ 160
Hybrid system ........................................... 24
Emergency shut off system ............. 29
Energy monitor/consumption 
screen ..................................................... 29
High voltage components ............... 28
Power meter ........................................... 161
Power (ignition) switch.................... 150
Identification
Engine .................................................... 590
Electric motor..................................... 590
Vehicle ................................................... 589
Ignition switch
Power switch ........................................ 150
Illuminated entry system ....................395
I/M test ......................................................453
Immobilizer system ................................. 99
Indicator lights......................................... 165
Initialization
Items to initialize ................................... 621
Inside rear view mirror ..........................83
Instrument panel light control........... 162
Interior lights
Interior lights......................................... 396
Wattage.................................................. 597
Intuitive parking assist .......................... 197
Jack
Positioning a floor jack....................458
Vehicle-equipped jack .................. 560
Jack handle ............................................. 560Keyless entry ............................................. 53
Keys
If the electronic key does 
not operate properly ................... 575
If you lose your keys .........................574
Key number plate..................................36
Keys..............................................................36
Mechanical key ......................................36
Power (ignition) switch ....................150
Wireless remote control key...........53
Lexus Link System................................ 433
Light bulbs
Replacing ................................................ 514
Wattage ................................................. 597
Light sensitive optitron meter............163
Lights
Fog light switch .................................... 174
Headlights switch.................................. 171
Interior lights list ................................. 395
Replacing light bulbs ......................... 514
Turn signal lever...................................158
Vanity lights.......................................... 407
Wattage ................................................. 597
Maintenance
Do-it-yourself maintenance......... 454
General maintenance..................... 450
Maintenance data .............................588
Maintenance requirements.......... 448
Meter
Instrument panel light control ....... 162
Meters......................................................... 161
Micro dust and pollen filter .............. 264
I
J
K
L
M

639
Alphabetical index
GS_HV_U (OM30C81U)
February 1, 2010 11:29 am
Washer
Checking ................................................474
Preparing and checking 
before winter .................................... 233
Switch ........................................................ 175
Washing and waxing ...........................442
Weight
Cargo capacity .................................. 228
Load limits ..............................................232
Weight ................................................... 588
Wheels ..................................................... 489
Window glasses .......................................87
Window lock switch............................... 55
Windows
Power windows .................................... 87
Rear window defogger .................. 268
Washer ..................................................... 175
Windshield wipers
Position ................................................... 235
Windshield wipers .............................. 175
Windshield wiper de-icer ..................269
Winter driving tips ............................... 233
Wireless remote control key
Locking/Unlocking ............................. 53
Replacing the battery ...................... 494
WMA disc............................................... 289