immobilizer Lexus HS250h 2010 Using the Bluetooth audio system / LEXUS 2010 HS250H OWNERS MANUAL (OM75006U)

TABLE OF CONTENTSIndex
2
1-1. Hybrid systemHybrid system ................................... 24
Hybrid system precautions ......... 27
Energy monitor/consumption screen................................................ 32
Hybrid vehicle driving tips........... 37
1-2. Key information Keys ...................................................... 39
1-3. Opening, closing and locking 
the doors
Smart access system with  push-button start .......................... 44
Wireless remote control .............. 54
Doors.................................................... 57
Trunk..................................................... 60
1-4. Adjustable components (seats, mirrors, steering wheel)
Front seats .......................................... 64
Driving position memory 
(driver’s seat) ................................. 68
Head restraints................................... 71
Seat belts ............................................ 73
Steering wheel.................................. 79
Inside rear view mirror................... 81
Outside rear view mirrors .......... 83 1-5. Opening and closing the windows
and moon roof
Power windows................................ 86
Moon roof .......................................... 89
1-6. Refueling Opening the fuel tank cap........... 92
1-7. Theft deterrent system Immobilizer system ........................ 96
Alarm.................................................... 98
Theft prevention labels 
(for U.S.A.) .................................... 100
1-8. Safety information Correct driving posture .............. 101
SRS airbags ..................................... 103
Front passenger occupant 
classification system .................... 115
Child restraint sy stems ............... 120
Installing child restraints ............. 124
2-1. Driving procedures Driving the vehicle ........................ 136
Power (ignition) switch ............... 145
EV drive mode ............................... 150
Hybrid transmission ..................... 153
Turn signal lever............................. 159
Parking brake ................................. 160
1Before driving
2When driving

Before driving1
23
1-1. Hybrid systemHybrid system ............................ 24
Hybrid system precautions .... 27
Energy monitor/ 
consumption screen ............. 32
Hybrid vehicle driving tips...... 37
1-2. Key information Keys ............................................... 39
1-3. Opening, closing and locking the doors
Smart access system with 
push-button start .................... 44
Wireless remote control ......... 54
Doors ............................................ 57
Trunk ............................................. 60
1-4. Adjustable components
(seats, mirrors, steering
wheel)
Front seats ................................... 64
Driving position 
memory (driver’s seat).......... 68
Head restraints ........................... 71
Seat belts ..................................... 73
Steering wheel ........................... 79
Inside rear view mirror ............. 81 Outside rear view mirrors...... 83
1-5. Opening and closing the 
windows and moon roof
Power windows .......................... 86
Moon roof ................................... 89
1-6. Refueling Opening the fuel tank cap ..... 92
1-7. Theft deterrent system Immobilizer system .................. 96
Alarm............................................ 98
Theft prevention labels 
(for U.S.A.) ............................. 100
1-8. Safety information Correct driving posture ........ 101
SRS airbags .............................. 103
Front passenger occupant 
classification system............. 115
Child restraint systems ......... 120
Installing child restraints....... 124

96
1-7. Theft deterrent system
Immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the hybrid
system from starting if a key has not been previously registered in the vehi
-
cle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
Without navigation system
The indicator light flashes after
the “P
OWER” switch has been
turned off to indicate that the
system is operating.
With navigation system The indicator light flashes after
the “P
OWER” switch has been
turned off to indicate that the
system is operating.

97
1-7. Theft deterrent system
1
Before driving
■System maintenance
The vehicle has a maintenance-free type immobilizer system.
■Conditions affecting operation
Depending on the surrounding environment a
nd conditions, the immobilizer sys-
tem may not operate properly. This may prevent the hybrid system from starting.
(  P. 4 9 )
■Certifications for the immobilizer system
For vehicles sold in the U.S.A.
FCC ID: NI4TMIMB-1
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol -
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this
device must accept any interference received, including interference that may
cause undesired operation.
For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause
inter
ference, and (2) this device must a ccept any interference, including interfer -
ence that may cause undesired operation of the device.
CAUTION
■Certifications for the immobilizer system
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE
■To prevent damage to the key
Do not modify, remove or disable the system. If any unauthorized changes or modi-
fications are made, the proper operation of the system cannot be guaranteed.

147
2-1. Driving procedures
2
When driving
■Auto power off function
If the vehicle is left in ACCESSORY or ON mode (the hybrid system is not operat-
ing) for more than an hour with the shift
position in P, the “POWER” switch will
automatically turn off. However, this function cannot entirely prevent the 12-volt
battery from discharging. Do not leave the vehicle with the “POWER” switch in
ACCESSORY or ON mode for long periods of time when the hybrid system is not
operating.
■Sounds and vibrations specific to a hybrid vehicle
 P.
2 6
■Electronic key battery depletion
P.
5 2
■When the ambient temperature is low, such as during winter driving conditions
It may take time until the “READY” indicator to come on.
■Conditions affecting operation
P.
4 9
■Notes for the entry function
P.
5 0
■If the hybrid system does not start
The immobilizer system may not have been deactivated. ( P.
9 6 )
■When the “POWER” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
de

aler immediately.
■If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER” switch
wit
h the shift position in P and the brake pedal depressed, contact your Lexus
dealer immediately.
■If the hybrid system is malfunctioning
 P. 5 0 1
■If the electronic key battery is depleted
P.
4 5 3

530
5-2. Steps to take in an emergency
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the situation.
Check the following and perform the appropriate procedure:
■The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 1 4 7 )
One of the following may be the cause of the problem:
● The electr
onic key may not be functioning properly.* (P. 5 3 3 )
● Ther
e may not be sufficient fuel in the vehicle’s tank. 
Refuel the vehicle.
● Ther
e may be a malfunction in the immobilizer system.* (P. 9 6 )
● Ther
e may be a malfunction in the P position control system.* 
( P. 1 5 0 , 502 )
● The hybrid s
ystem may be malfunc tioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malfunc tion, an interim measure is avail-
able to start the hybrid system. ( P. 4 5 5)
*: It may not be possible to shift out of the P position.
■The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
One of the following may be the cause of the problem:
● The 12-
volt battery may be discharged. (P. 5 3 6 )
● The 12-
volt battery terminal co nnections may be loose or cor-
roded.

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

597
Alphabetical index
Hands-free system 
(for cellular phone)........................... 328
Head restraints Adjustment ................................................71
Headlights aim ....................................... 467
Headlights cleaner .............................. 200
Headlights Adaptive front lighting 
system................................................... 185
Discharge headlights 
precautions .......................................480
Replacing light bulbs ....................... 469
Switch ........................................................183
Wattage ................................................. 556
Heaters Seat heaters.......................................... 375
Side mirrors.......................................... 260
Hill-start assist control ....................... 230
Hood ........................................................... 419
Hooks Grocery bag..........................................381
Horn............................................................. 164
Hybrid system Emergency shut off system ............. 28
Energy monitor/ 
consumption ........................................32
Engine switch ........................................ 147
High voltage components ................ 27
Hybrid system indicators.................165
Ignition switch........................................ 147
Power switch ......................................... 147 I/M test....................................................... 415
Identification
Electric motor ..................................... 549
Engine..................................................... 549
Vehicle ................................................... 548
Ignition switch...........................................147
Illuminated entry system ....................360
Immobilizer system ................................. 96
Indicator lights......................................... 165
Initialization Items to initialize ................................ 584
Inside rear view mirror ........................... 81
Instrument panel light control .......... 163
Interior lights Interior lights ........................................ 360
Switch........................................................ 361
Wattage ................................................. 556
Intuitive parking assist*
Jack Positioning the jack ...........................420
Vehicle-equipped jack .................... 521
Jack handle............................................... 521HI
J
*: Refer to “Navigation System Owner’s Manual”.

601
Alphabetical index
Steering wheelAdjustment ...............................................79
Audio switches ...................................308
Manual adjustment ...............................79
Power adjustment .................................79
Steering wheel position 
memory ................................................. 68
Stop light Replacing light bulbs ....................... 479
Wattage ................................................. 556
Storage feature ..................................... 363
Stuck If the vehicle becomes stuck ....... 545
Sun visors................................................... 371
Sunshade Rear .......................................................... 378
Roof ............................................................. 89
Switch Driving mode selector 
switch .................................................... 158
Engine switch ........................................ 147
Fog light switch..................................... 194
Ignition switch........................................ 147
Light switches........................................183
Mode select switch ........................... 158
Power door lock switch .....................57
Power switch ......................................... 147
Power window switch........................ 86
Tire pressure warning reset 
switch ................................................... 439
Window lock switch ........................... 86
Wiper and washer ..............................195 Tail lights
Replacing light bulbs ........................ 479
Switch........................................................ 183
Wattage ................................................. 556
Talk switch .....................................314, 333
Telephone switch ..................................333
Theft deterrent system Alarm...........................................................98
Immobilizer system ..............................96
Theft prevention labels ........................ 100
Tire inflation pressure ......................... 445
Tire information Glossary ................................................ 566
Size ........................................................... 563
Tire identification number..............562
Uniform Tire Quality Grading ... 564
Tires Chains .....................................................245
Checking ............................................... 437
Compact spare tire ........................... 521
If you have a flat tire ........................... 521
Inflation pressure ................................445
Inflation pressure sensor ............... 438
Information ........................................... 560
Replacing ................................................ 521
Rotating tires ........................................ 437
Size ........................................................... 555
Snow tires .............................................. 244
Spare tire ................................................. 521
Tire pressure warning 
system ......................................437, 495
Tools ............................................................ 521
Total load capacity ............................... 243T

604
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...