2012 Lexus HS250h heater

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HS250h_U_75050U
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3-6. Using the storage featuresList of storage features............... 377
• Glove box .................................... 378
• Console box ................................ 379
• Cup holders.................................. 381
• Bottle holders ............................ 383
• Auxiliary boxes.......................... 384
3-7. Other interior features Sun visors........................................ 385
Vanity mirrors ............................... 386
Clock ................................................. 387
Power outlets ................................ 388
Seat heaters and ventilators .................................... 389
Armrest ............................................. 391
Rear sunshade ............................... 392
Floor mat.......................................... 394
Trunk compartment features.......................................... 396
Garage door opener................. 398
Compass.......................................... 404
Safety Connect ............................ 408
4-1. Maintenance and care Cleaning and protecting the vehicle exterior.................... 416
Cleaning and protecting the vehicle interior .................... 420 4-2. Maintenance
Maintenance requirements ..... 423
General maintenance ................ 426
Emission inspection and maintenance (I/M)
programs ..................................... 430
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................... 431
Hood ................................................. 434
Positioning a floor jack............... 435
Engine compartment.................. 437
12-volt battery................................ 447
Tires .................................................... 451
Tire inflation pressure................. 459
Wheels ............................................. 462
Air conditioning filter.................. 464
Electronic key battery ................ 467
Checking and replacing fuses ................................................ 469
Light bulbs ........................................ 481
5-1. Essential information Emergency flashers .................... 494
If your vehicle needs to be towed ....................................... 495
If you think something is wrong .............................................. 501
4Maintenance and care5When trouble arises

HS250h_U_75050U
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∗: If equipped
*: Refer to “Navigation System Owner's Manual”.
Cup holders P. 381
Remote Touch ∗*
Auxiliary box
∗ P. 384
Power outlet P. 388
Seat heater switches ∗
Seat heater/ventilator
switches
∗
P. 389
P. 389
Hybrid transmission
shift lever
P. 160
P position switch P. 160
“OPEN/CLOSE” button ∗*
AUX port
USB port
P. 321
P. 302, 310
TILT switch ∗*

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1-1. Hybrid system
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Before driving
HS250h_U_75050U
■Regenerative braking
In the following situations, kinetic energy is converted to electric energy and decel-
eration force can be obtained in conjunction with the recharging of the hybrid bat-
tery (traction battery).
●The accelerator pedal is released while driving with shift position D or B
selected.
●The brake pedal is depressed while driving with shift position D or B selected.
■Conditions in which the gasoline engine may not stop
The gasoline engine starts and stops automatically. However, it may not stop auto-
matically in the following conditions:
●During gasoline engine warm-up
●During hybrid battery (traction battery) charging
●When the temperature of the hybrid battery (traction battery) is high or low
●When the heater is switched on
*: However, when the hybrid battery (traction battery) need to becharged or while the engine is being warmed up, the gasoline
engine may not stop automatically.
■ During normal driving
The gasoline engine is predominantly used. The electric motor
(traction motor) charges the hybrid battery as necessary.
■ When accelerating sharply
The power of the hybrid battery (traction battery) is added to that of
the gasoline engine via the electric motor (traction motor).
■ When braking (regenerative braking)
The electric motor (traction motor) charges the hybrid battery
(traction battery).

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1-1. Hybrid system
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Before driving
HS250h_U_75050U
■Air conditioning
Use the air conditioning only when necessary. Doing so can help control
excessive gasoline consumption.
In summer: In high temperatures, use the recirculated air mode. Doing so
will help to reduce the burden on the air conditioner and reduce fuel con-
sumption as well.
In winter: Because the gasoline engine will not automatically cut out until
the gasoline engine and the interior of the vehicle are warm, it will con-
sume fuel. Also, fuel consumption can be improved by avoiding overuse of
the heater.
■ Checking tire inflation pressure
Make sure to check the tire inflation pressure frequently. Improper tire
inflation pressure can cause poor fuel consumption.
Also, as snow tires can cause large amounts of friction, their use on dry
roads can lead to poor fuel consumption. Use a tire that is appropriate for
the season.
■Luggage
Carrying heavy luggage can lead to poor fuel consumption. Avoid carry-
ing unnecessary luggage. Installing a large roof rack can also cause poor
fuel consumption.
■Warming up before driving
Since the gasoline engine starts up and cuts out automatically when cold,
warming up the engine is unnecessary. Moreover, frequently driving short
distances will cause the engine to repeatedly warm up, which can lead to
poor fuel consumption.

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2-4. Using other driving systems
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When driving
HS250h_U_75050U
NOTICE
■Camera sensor
●Keep the windshield clean at all times.
LKA performance may deteriorate due to the presence of raindrops, condensa-
tion, ice or snow on the windshield.
●Do not attach a sticker or other items to the windshield near the camera sensor.
●When adjusting the rear view mirror, make sure that it does not block the camera
lens.
●When it is cold, using the heater with air blowing to the feet may allow the upper
part of the windshield to fog up. This will have a negative effect on the images. In
such a case, use the windshield defogger to provide warm, dry air to the wind-
shield.
●Do not place anything on the dashboard.
The camera sensor may recognize the image reflected on the windshield as lane
markers by mistake.
●Do not scratch the camera lens, or let it get dirty.
●Do not change the installation position of the camera sensor or remove it. The
direction of the camera sensor is precisely adjusted.
●Do not subject the camera sensor to strong impact or force, and do not disas-
semble the camera sensor.
Observe the following to ensure that the LKA
system functions correctly.

Interior features3
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HS250h_U_75050U
3-3. Using the Bluetooth® audio
system
Bluetooth
® audio system ... 325
Using the Bluetooth® audio
system .................................... 328
Operating a Bluetooth
®
enabled portable player... 333
Setting up a Bluetooth
®
enabled portable player.... 336
Bluetooth
® audio system
setup ......................................... 341
3-4. Using the hands-free phone system (for cellular phones)
Hands-free system for cellular phones..................... 342
Using the hands-free system (for cellular phones) ........... 346
Making a phone call .............. 354
Setting a cellular phone ....... 359
Security and system setup ........................................ 364
Using the phone book.......... 368
3-5. Using the interior lights Interior lights list ..................... 374
• Interior lights ........................ 375
• Personal lights ...................... 375 3-6. Using the storage features
List of storage features.......... 377
• Glove box .............................. 378
• Console box ......................... 379
• Cup holders ........................... 381
• Bottle holders....................... 383
• Auxiliary boxes .................... 384
3-7. Other interior features Sun visors ................................. 385
Vanity mirrors ......................... 386
Clock ......................................... 387
Power outlets .......................... 388
Seat heaters and ventilators ............................. 389
Armrest ..................................... 391
Rear sunshade ........................ 392
Floor mat .................................. 394
Trunk compartment features .................................. 396
Garage door opener ............ 398
Compass .................................. 404
Safety Connect ...................... 408

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3-1. Using the air conditioning system and defogger
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Interior features
HS250h_U_75050UFront side outlets
Direct air flow to the left or right,
up or down.
Turn the knob to open or close
the vent.
Rear outlets Direct air flow to the left or right,
up or down.
Turn the knob to open or close
the vent.
■Air conditioning system settings
When the “POWER” switch is turned on, the air conditioning system settings will be
set to those that were in use the last time the “POWER” switch was turned off.
●Air conditioning system settings are memorized individually on each electronic
key, so the settings reproduced will be specific to the key that is used.
●This feature is customizable at your Lexus dealer.
■Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and ambi-
ent conditions. As a result, the following may occur:
●The system may switch automatically to recirculated air mode when the coolest
temperature setting is selected when the ambient temperature is high.
●Immediately after the button is pressed, the fan may stop for a while until warm
or cool air is ready to flow.
●Cool air may flow to the area around the upper body when the heater is on.

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3-7. Other interior features
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Interior features
HS250h_U_75050U
Seat heaters and ventilators∗
∗: If equipped
■The seat heaters/ventilators can be used when
The “POWER” switch is in ON mode.
■When not in use
Set the knob at “0”. The indicator light turns off.
The seat heaters and ventilators heat the seats and maintain good airflow
by blowing air from the seats.
Seat heatersTurns the seat heater on
The indicator light comes on.
The higher the number is, the
warmer the seat becomes.
Seat heaters/ventilatorsTurns the seat heater on
The indicator light (green)
comes on.
The higher the number is, the
warmer the seat becomes.
Blows air from the seat
The indicator light (green)
comes on.
The higher the number is, the
stronger the airflow becomes.