key battery Lexus HS250h 2010 Owner's Guide

5
When trouble arises
533
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
DoorsUse the mechanical key (→P. 39)
in order to perform the following
operations (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 electronic key and vehicle is interrupted
(→ P. 49) or the electronic key canno t 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 and the hybrid system can be started by following the procedure
below.

5
When trouble arises
535
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)To change “POWER” switch modes: Within 10 seconds of the
buzzer sounding, release the brake pedal and press the
“POWER” switch. Modes can be changed each time the switch is
pressed. (
→P. 1 4 6 )
To start the hybrid system: Press the “POWER” switch within 10
seconds of the buzzer sounding, keeping the brake pedal
depressed.
In the event that the hybrid system still cannot be operated, 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 with push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features →P. 5 74 )

595
Alphabetical index
HS250h_U_75033U(Canada)
Automatic light control system ........183
AUX adapter ......................................... 307
Auxiliary box .......................................... 370
Back-up lightsReplacing light bulbs ....................... 470
Wattage .................................................558
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 .......................................................... 556
Parking brake ........................................160
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 .................... 121
Booster seats, installation ................. 131
Convertible seats, definition............ 121
Convertible seats, installation ........129
Front passenger occupant
classification system ......................... 116
Infant seats, definition .......................... 121
Infant seats, installation ..................... 128
Installing CRS with LATCH
anchors..................................................126
Installing CRS with seat belts ........ 128
Installing CRS with top tether straps ......................................................132
Child safety Airbag precautions ................................ 111
Child restraint system ......................... 121
Child-protectors .................................. 58
How your child should wear the seat belt .......................................... 75
Installing child restraints................... 125
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
Child-protectors ......................................58
Cleaning Exterior....................................................402
Interior .................................................... 406
Seat belts ................................................407
B
C
*: Refer to “Navigation System Owner’s Manual”.

596
Alphabetical index
HS250h_U_75033U(Canada)
Clock (vehicles withoutnavigation system) ............................ 373
Clock (vehicles with navigation system)*
Coin holder .............................................366
Compass ................................................... 391
Condenser ..............................................430
Console box ...........................................365
Cooling system Engine overheating ............................541
Cruise control Cruise control .......................................201
Dynamic radar cruise control .....205
Cup holders ............................................ 367
Curtain shield airbags.......................... 104
Customizable features ....................... 574
Daytime running light system ........... 186
Defogger Rear window........................................260
Side mirrors ..........................................260
Dimensions............................................. 550
Dinghy towing ........................................248
Display
Dynamic radar cruise control..................................................205
Multi-information display.................169
Trip information .................................... 172
Warning message.............................. 501
Do-it-yourself maintenance .............. 416
Door courtesy lights Door courtesy lights.........................360
Wattage................................................. 558
Doors
Door glasses ........................................... 86
Door lock.................................44, 54, 57 Rear door child protector................ 58
Side doors................................................. 57
Side mirrors............................................. 83
Driver’s seat belt reminder light ..... 495
Driver’s seat position memory ........... 68
Driving
Break-in tips........................................... 137
Correct posture................................... 102
Procedures............................................. 136
Winter driving tips .............................244
Driving position memory...................... 68
Electric power steering...................... 225
Electronic key If 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
D
E

600
Alphabetical index
HS250h_U_75033U(Canada)
Odometer................................................. 162
OilEngine oil ............................................... 424
Opener
Fuel filler door......................................... 92
Hood..........................................................419
Trunk ........................................................... 60
OPEN CLOSE switch*
Outer foot lights Outer foot lights .................................360
Wattage................................................. 558
Outside rear view mirrors
Adjusting and folding ......................... 83
Driving position memory.................. 68
Mirror position memory ................... 68
Outside rear view mirror
defogger switch (vehicles
without navigation system) ............260
Outside rear view mirror defogger switch (vehicles
with navigation system)*
Outside temperature display............ 169
Overhead console ...............................370
Overheating, Engine............................ 541
Overheating, Hybrid system ............ 541
Parking brake .......................................... 160
Parking lights
Replacing light bulbs........................ 469
Switch ....................................................... 183
Wattage................................................. 558
PCS ............................................................ 232
Personal lights Personal lights .......................................361
Switch ........................................................361
Wattage................................................. 558 Power outlet ........................................... 374
Power switch ............................................145
Power windows ........................................ 86
Pre-collision system ............................ 232
Radar cruise control............................ 205
Radiator .................................................... 430
Radio......................................................... 265
Radio data system ................................ 267
RDS ............................................................ 267
Rear side marker lights
Replacing light bulbs ........................479
Wattage .................................................558
Rear sunshade ....................................... 378
Rear turn signal lights Replacing light bulbs ....................... 470
Wattage .................................................558
Rear view mirror
Compass ................................................. 391
Rear view monitor system*
Rear window defogger (vehicles without navigation system)............ 260
Rear window defogger (vehicles with navigation system)*
Remote Touch*
Replacing Electronic key battery ..................... 453
Fuses........................................................ 455
Light bulbs ............................................ 469
Tires............................................................ 521
Reporting safety defects for U.S. owners..........................................588
Safety connect ....................................... 395
Scuff lighting ........................................... 360O
P
R
S

604
Alphabetical index
HS250h_U_75033U(Canada)
Headlight ...............................................502
Hood....................................................... 505
Hybrid system ...................................... 501
Intuitive parking assist......... 502, 505
Key ..............................................................513
Lane-Keeping Assist ...................... 505
Moon roof ............................................ 505
Open door .......................................... 505
Parking brake ..................................... 505
Pre-collision system ............ 502, 505
Smart access system with push start ..............................................513
Tire pressure warning system ................................................. 505
Trunk ....................................................... 505
Washer fluid ........................................ 505
Washer Checking ............................................... 432
Preparing and checking before winter .................................... 244
Switch ....................................................... 195
Washing and waxing ...........................402
Weight Cargo capacity................................... 243
Load limits ............................................. 243
Weight ................................................... 550
Wheels ......................................................448
Wide view front monitor system*
Window glasses .......................................86
Window lock switch ...............................86
Windows
Power windows..................................... 86
Rear window defogger ..................260
Washer .................................................... 195 Windshield wiper de-icer ...................261
Windshield wipers ................................ 195
Wireless remote control key
Locking/Unlocking..............................54
Replacing the battery ...................... 453
Wireless remote control key...........54
WMA disc ................................................ 281
*: Refer to “Navigation System Owner’s Manual”.

605
HS250h_U_75033U(Canada)
What to do if...
What to do if...
A tire puncturesP. 5 2 1If you have a flat tire
The hybrid system does not start
P. 5 3 0If the hybrid system will not start
P. 9 6Immobilizer system
P. 5 3 6If the vehicle 12-volt battery is dis-
charged
The engine coolant temperature
warning light flashes or come on
Steam can be seen coming
from under the hood
P. 5 4 1If your vehicle overheats
The key is lostP. 5 3 2If you lose your keys
The 12-volt battery runs outP. 5 3 6If the vehicle 12-volt battery is dis-
charged
The doors cannot be lockedP. 5 7Doors
The horn begins to soundP. 9 8Alarm
The vehicle is stuck in mud or
sandP. 5 4 5If the vehicle becomes stuck
A warning light or indicator
light comes onP. 4 9 2If a warning light turns on or a warning
buzzer sounds...