key Lexus HS250h 2010 Basic Information Before Operation / LEXUS 2010 HS250H (OM75006U) Repair Manual

5
When trouble arises
533
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
Use the mechanical key (P
. 39)
in order to perform the following
oper
ations (driver’s door only):
Locks all the doors
Closes the windows and 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 and moon
roof (turn and hold)
*
*: This setting must be customized at your Lexus dealer.
If communication between the electron ic key and vehicle is interrupted
( 
P. 4 9 ) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
r
emote control cannot be used. In such cases, the doors and trunk can be
opened and the hybrid system can be started by following the procedure
below.

534
5-2. Steps to take in an emergency
Tr u n kTurn the mechanical key clock-
wise to open.
Changing “POWER” switch modes and starting the hybrid system
Depress the brake pedal.
Touch the Lexus emblem side of
the electr
onic key to the
“POWER” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm will
sound to indicate that the start
function cannot detect the elec -
tronic key.

5
When trouble arises
535
5-2. Steps to take in an emergency
To change “POWER” switch modes: Within 10 seconds of the
buzzer sounding, release the brake pedal and press the
“P
OWER” switch. Modes can be changed each time the switch is
pressed. ( P. 1 4 8 )
To start the hybrid system: Press the “POWER” switch within 10
seconds of the buzz
er sounding, keeping the brake pedal
depressed.
In the event that the hybrid system still cannot be oper
ated, contact your
Lexus dealer.
■Stopping the hybrid system
In the same method as the normal hybrid system stopping procedure, completely
stop
the vehicle and then press the “POWER” switch.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec -
tronic key battery be replaced immediately when the battery is depleted. 
(  P. 4 5 3 )
■When the electronic key does not work properly
Make sure that the smart access system wi th
push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on. 
(Customizable features  P. 5 7 2)

574
6-2. Customization
Customizable Features
Vehicles with a navigation system: Settings that can be changed using
the screen of the navigation system
Vehicles with a navigation system: Settings that can be changed using
the multi-information switches
Vehicles without a navigation system: Settings that can be changed
using the multi-information switches
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, — = Not available
ItemFunctionDefault settingCustom- ized
setting
Door lock 
(
P. 5 7 ,
533)
Unlocking using
a key
Driver’s
door
unlocked
in one step,
all doors
unlocked
in two
steps
All doors
unlocked
in one step
O——O
Speed-detect-
ing automatic
door lock func-
tion
OffOnO—OO
Selecting other
than P position
locks all doors
OnOffO—OO
Pressing the P
position switch
unlocks all doors
OnOffO—OO

577
6-2. Customization
6
Vehicle specifications
Illumination
(
P. 3 6 0 )
Ti m e e l a p s e d
before the inte-
rior lights turn off
15 seconds
Off
O—OO
7. 5 s e c - onds
30 sec- onds
Operation after
the “POWER”
switch is turned
off
OnOff———O
Operation when
the doors are
unlocked
OnOff———O
Activate on
approach of per-
son carrying
smart key
OnOff———O
Ti m e e l a p s e d
before the exte-
rior lights turn off
15 seconds
Off
O—OO
7. 5 s e c -onds
30 sec- onds
Footwell lightingOnOff———O
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustom- ized
setting

578
6-2. Customization
Illumination
(
P. 3 6 0 )
Outer foot lights
activate on
approach of per-
son carrying
smart key
OnOff———O
Outer foot lights
operation when
the doors are
unlocked
OnOff———O
Remote touch
lightOnOff———O
Meter 
(  P. 1 6 2 )
Sensitivity of the
ambient light
sensor used for
dimming the
meter lights etc.
Standard-2 to 2O——O
Sensitivity of the
ambient light
sensor used for
brightening the
meter lights etc.
Standard-2 to 2O——O
Automatic
air condi-
tioning sys-
tem 
( P. 252)
Switching
between outside
air and recircu-
lated air mode
linked to
“AUTO” switch
operation
AutoManualO——O
ItemFunctionDefault
settingCustom- ized
setting

579
6-2. Customization
6
Vehicle specifications
Automatic
air condi-
tioning sys-
tem 
( P. 252)A/C Auto switch
operationAutoManualO——O
Turning on the
windshield
defogger acti-
vates the A/C
OnOff———O
Front seats 
(
P. 6 4 )
Driver’s seat
movement when
exiting the vehi-
cle (on some
models)
Pa r t i a l
Off
O—OO
Full
Multi-infor-
mation dis-
play 
(
P. 1 6 9 )
Eco Driving Indi-
cator LightOnOff—OO—
Pow e r w i n -
dows 
(
P. 8 6 )
Mechanical key
linked operationOffOn———O
Wireless remote
control linked
operation
Off
On
(Open only)
———O
Buzzer sounds if
operated using
wireless remote
OnOff———O
ItemFunctionDefault settingCustom- ized
setting

580
6-2. Customization
Moon roof
(
P. 8 9 )
Mechanical key
linked opera-
tion*
OnOff———O
Linked operation
of components
when door key is
used
Slide onlyTilt only———O
Wireless remote
control linked
operation*On
(Open only)
Off———O
Linked operation
of components
when wireless
remote control
used
Slide onlyTilt only———O
Rear sun-
shade 
(  P. 3 7 8 )
Ti m e e l a p s e d
before the
reverse opera-
tion feature acti-
vates
0.7 sec-
onds
Off———O
0 seconds———O
0.9 sec-
onds———O
1.2 sec-onds———O
Reverse opera-
tionOnOff———O
*: This function cannot be customized un less power window operation using the
wireless remote control or mechanical key is enabled.
ItemFunctionDefault settingCustom- ized
setting

593
Alphabetical index
Back-up lightsReplacing light bulbs ....................... 470
Wattage ................................................. 556
Battery Checking ............................................... 433
If the vehicle has a discharged 
12-volt battery .................................. 536
Preparing and checking 
before winter .....................................244
Bluetooth
®................................................ 311
Bottle holders ........................................ 369
Brake Fluid .......................................................... 554
Parking brake ........................................ 163
Brake assist ..............................................225
Break-in tips ............................................. 137
Brightness control Instrument panel light 
control ................................................... 163
Care Exterior ................................................... 402
Interior..................................................... 406
Seat belts ............................................... 407
Cargo capacity ......................................243
CD changer ............................................ 273
CD player................................................. 273
Chains ........................................................245 Child restraint system
Booster seats, definition .................. 120
Booster seats, installation ............... 130
Convertible seats, definition .......... 120
Convertible seats, installation ....... 128
Front passenger occupant 
classification system ......................... 115
Infant seats, definition ........................ 120
Infant seats, installation ...................... 127
Installing CRS with LATCH 
anchors ................................................. 125
Installing CRS with seat belts ......... 127
Installing CRS with top tether 
straps ....................................................... 131
Child safety Airbag precautions .............................. 110
Child restraint system ....................... 120
Child-protectors .................................. 58
How your child should wear 
the seat belt .......................................... 75
Installing child restraints....................124
Moon roof precautions........................91
Power window lock switch ..............86
Power window precautions ........... 88
Removed electronic key battery 
precautions........................................454
Seat belt extender precautions...... 78
Seat belt precautions .......................... 76
Seat heater precautions.................. 376
Trunk precautions................................. 62
12-volt battery precautions ...........435
B
C

595
Alphabetical index
Electric power steering ......................225
Electronic keyIf the electronic key does not 
operate properly ............................ 533
Emergency, in case of If the electronic key does not 
operate properly ............................ 533
If the engine will not start ...............530
If the hybrid system will not 
start........................................................530
If the 12-volt battery is 
discharged ........................................ 536
If the warning buzzer sounds...... 492
If the warning light turns on .......... 492
If the warning message is 
displayed ............................................. 501
If you have a flat tire .......................... 521
If you lose your keys ........................ 532
If you think something is 
wrong................................................... 489
If your electronic key does 
not operate properly.................... 533
If your vehicle becomes stuck .... 545
If your vehicle needs to be  towed ................................................... 483
If your vehicle overheats.................. 541
Emergency flasher Switch ...................................................... 482 Engine
Accessory mode................................. 148
Compartment...................................... 422
Engine switch .........................................147
Hood ......................................................... 419
How to start the engine ....................147
How to start the hybrid 
system ....................................................147
Identification number ...................... 548
If the engine will not start............... 530
If the hybrid system will not 
start ....................................................... 530
Ignition switch ........................................147
Overheating .......................................... 541
Power switch..........................................147
Engine compartment cover ............. 423
Engine coolant Capacity .................................................552
Checking ...............................................428
Preparing and checking before winter .................................... 244
Engine/power control unit coolant Capacity .................................................552
Checking ...............................................428
Preparing and checking before winter .................................... 244
Engine immobilizer system.................. 96E