2007 Lexus GS450h key

468
5-2. Steps to take in an emergency
If you lose your keys
New genuine Lexus keys can be made and programmed to your vehicle by
your Lexus dealer, using one of the other keys or the key number stamped
on your key number plate.

5
When trouble arises
469
5-2. Steps to take in an emergency
When the electronic key battery is discharged
Locking and unlocking the doors, unlocking the trunk and key linked functions
DoorsUsing the mechanical key in order
to per
form the following opera -
tions:
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)
Tr u n k
Turn the mechanical key clock-
wise to open.
If the electronic key battery is di scharged, the doors and trunk can be
opened by the mechanical key. The hybrid system can be still started by fol
-
lowing the procedure.

470
5-2. Steps to take in an emergency
Starting the hybrid system
Put the shift lever in “P” and apply the brakes.Hold the electronic k
ey close to
the power switch (within 0.4 in. [10
mm]). Make sure that the button
side of the key is facing away from
the power 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.
Press the power switch within 5 seconds after the buzzer sounds,
keeping the brake pedal depressed.
If the hybrid system still cannot be started, contact your Lexus dealer.
STEP1
STEP2
■Replacing the key battery
As this procedure is the temporary measure, it is recommended that the electronic
k
ey battery be replaced immediately. ( P. 3 9 3 )
STEP3

5
When trouble arises
471
5-2. Steps to take in an emergency
If the 12 volt battery is discharged
The following procedures may be used to start the hybrid system if the 12
volt battery is discharged.

You can call your Lexus dealer, Roadside Assistance or Lexus Customer
Ser
vice.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12 volt battery, you can jump start your Lexus following the steps
below.
Open the trunk using the mechanical key. ( P. 4 6 9 )
Connecting the jumper cables. If required, remove all vent pl ugs fr
om the booster battery. Lay a
cloth over the open vents on the booster batter
y. (This helps reduce
the explosion hazard, personal injuries and burns.)
Positive (+) battery terminal on your vehicle.
Positive (+) battery terminal on the second vehicle.
Negative (-) battery terminal on the second v
ehicle.
Negative (-) battery terminal or your vehicle. Start the engine of the second v
ehicle. Increase the engine
speed slightly and maintain at that le
vel for approximately 5
minutes to recharge the 12 volt battery of your vehicle.
Open and close any of the door s with the po
wer switch “OFF”.
STEP1
STEP2
STEP3
STEP4

502
6-2. Customization
ItemFunctionDefault settingCustomizedsetting
Door lock (
P. 2 6 )
Unlocking using a key
Driver's door
unlocked in
one step, all
doors
unlocked 
in 2-steps
All doors
unlocked in 1-step
Speed-detecting auto-
matic door lock functionOFFON
Opening driver's door
unlocks all doors OFFON
Shift the shift lever to “P”
unlocks all doors.ONOFF
Shift the shift lever to posi-
tion other than “P” locks
all doors.
ONOFF
Pow e r w i n -
dows 
(
P. 5 2 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationONOFF

503
6-2. Customization
6
Vehicle specifications
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustomizedsetting
Moon roof 
(
P. 5 5 )
Linked door lock opera-
tionONOFF
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 operationONOFF
Linked operation of com-
ponents when wireless
remote control used
Slide onlyTilt only
Automatic
light control
system 
(
P. 1 2 0 )
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*

511
Alphabetical index
Installing CRS with lower 
anchorages .......................................... 87
Installing CRS with seatbelts .......... 83
Installing CRS with top straps ........ 88
Child safety Airbag precautions .............................. 75
Child restraint system ........................ 80
Child-protectors.................................... 27
How your child should wear 
the seatbelt ........................................... 45
Installing child restraints .................... 83
Moon roof ................................................. 57
Power window lock switch .............. 52
Power window precautions............ 54
Removed electronic key battery 
precautions ....................................... 394
Seat belt comfort guide...................... 43
Seat belt precautions...........................46
Seat heater precautions ..... 324, 326
Trunk ............................................................ 33
Cigarette lighter .................................... 322
Cleaning Exterior ................................................... 344
Interior..................................................... 346
Seat belts ................................................ 347
Clock........................................................... 319
Coin holder .............................................. 314
Compass ................................................. 339
Condenser.............................................. 369
Console box ............................................. 312
Cooling system Engine overheating .......................... 475Cruise control
Cruise control........................................ 127
Dynamic radar cruise control....... 130
Cup holders ............................................. 315
Curtain shield airbags............................ 69
Customizable features ...................... 500
Daytime running light system ............. 121
Defogger Rear window ......................................... 199
Side mirror.............................................. 199
Dimension............................................... 480
Dinghy towing ......................................... 180
Display Energy flow ................................................. 6
Multi-informatio n display
..................117
Touch screen ........................................ 182
Trip information ..................................... 118
Warning message ............................. 436
Do-it-yourself maintenance ............. 355
Door courtesy lights ........................... 308
Door pocket............................................. 316
Doors
Door lock .................................................. 26
Rear door child protector ................ 27
Driver's seat belt reminder light ..... 433
Driving Correct posture..................................... 67
Procedures .............................................. 94
DVD player/changer.......................... 232
Electronic key Replacing battery ............................... 393
When the electronic key battery 
is discharged.................................... 469
D
E

512
Alphabetical index
Emergency, in case ofIf a warning light turns on .............. 430
If a warning message is 
displayed ............................................ 436
If the hybrid system will not 
start........................................................ 466
If the shift lever cannot be 
shifted from P ................................... 467
If the 12 volt battery is 
discharged ......................................... 471
If you have a flat tire ............ 455, 456
If you lose your keys......................... 468
If you think something is 
wrong ....................................................427
If your vehicle becomes stuck..... 478
If your vehicle needs to be 
towed ................................................... 420
If your vehicle overheats ................ 475
When the electronic key battery 
is discharged .................................... 469
Energy monitor............................................ 6
Engine Compartment ....................................... 361
Hood........................................................ 358
How to start the hybrid system
.....101
If the hybrid system will not 
start........................................................ 466
Overheating......................................... 475
Power switch .......................................... 101
Engine compartment cover ............. 362
Engine coolant temperature 
gauge.........................................................110
Engine/inverter coolant Capacity ................................................. 484
Checking ............................................... 368
Preparing and checking 
before winter ...................................... 174 Engine oil
Capacity ................................................ 483
Checking............................................... 363
Preparing and checking  before winter...................................... 174
Engine oil maintenance data ........... 366
EPS (Electric Power Steering) ......... 162
Event data recorder ............................ 428
First-aid kit storage belt ..................... 332
Floor mats .................................................. 331
Fluid Brake ....................................................... 370
Washer.................................................... 374
Fog lights Switch ........................................................ 123
Wattage ................................................. 488
Foot light .................................................. 308
Front passenger's seat
belt 
reminder light ..................................... 433
Front seats Adjustment ............................................... 34
Driving position memory .................. 36
Front turn signal lights Wattage ................................................. 488
Fuel Capacity ................................................ 482
Fuel gauge ................................................ 110
Gas station information ................. 520
Information ........................................... 489
Refueling ................................................... 58
Messages .............................................. 450
Fuel filler door ........................................... 58
Fuses .......................................................... 395
F