display Lexus HS250h 2010 Owner's Manual

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1-8. Safety informationCorrect driving posture ............. 102
SRS airbags ..................................... 104
Front passenger occupant classification system .................... 116
Child restraint systems ................. 121
Installing child restraints ............. 125
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
Horn...................................................... 161
2-2. Instrument cluster Gauges and meters ..................... 162
Indicators and warning lights................................................. 165
Multi-information display ........... 169
Head-up display ............................ 175
2-3. Operating the lights and windshield wipers
Headlight switch ............................ 183
Automatic High Beam ................ 188
Fog light switch .............................. 194 Windshield wipers and
washer ............................................ 195
Headlight cleaner switch ......... 200
2-4. Using other driving systems Cruise control ................................ 201
Dynamic radar cruise control........................................... 205
LKA (Lane-Keeping Assist) ...... 217
Driving assist systems................. 225
Hill-start assist control ............... 230
Pre-Collision System.................. 232
2-5. Driving information Cargo and luggage ..................... 240
Vehicle load limits........................ 243
Winter driving tips ....................... 244
Trailer towing ................................. 247
Dinghy towing ............................... 248
3-1. Using the air conditioning system and defogger
Automatic air conditioning system ............................................ 252
Rear window defogger switch ............................................. 260
Windshield wiper de-icer .......... 261
2When driving
3Interior features

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4-1. Maintenance and careCleaning and protecting the vehicle exterior................... 402
Cleaning and protecting the vehicle interior .................... 406
4-2. Maintenance Maintenance requirements.............................. 409
General maintenance ................... 411
Emission inspection and maintenance (I/M)
programs ....................................... 415
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................... 416
Hood................................................... 419
Positioning a floor jack ............... 420
Engine compartment.................. 422
12-volt battery................................ 433
Tires ................................................... 437
Tire inflation pressure................. 445
Wheels.............................................. 448
Air conditioning filter................. 450
Electronic key battery ................ 453
Checking and replacing fuses ................................................ 455
Headlight aim (LED headlights) ....................... 467 Light bulbs ....................................... 469
5-1. Essential information Emergency flashers .................... 482
If your vehicle needs to be towed ............................................ 483
If you think something is wrong ............................................ 489
Event data recorder.................... 490
5-2. Steps to take in an emergency If a warning light turns on or a warning buzzer
sounds... ......................................... 492
If a warning message is displayed ........................................ 501
If you have a flat tire...................... 521
If the hybrid system will not start ................................................ 530
If you lose your keys .................... 532
If the electronic key does not operate properly ............... 533
If the vehicle 12-volt battery is discharged ............................... 536
If your vehicle overheats ............ 541
If the vehicle becomes stuck................................................ 545
If your vehicle has to be stopped in
an emergency.............................. 547
4Maintenance and care
5When trouble arises

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Pictorial indexInstrument panel
Headlight switch Turn signal lever
Fog light switch P. 183
P. 159
P. 194
Tilt and telescopic steering
control switch
∗ P. 79
Pre-collision brake off switch ∗ P. 233
Parking brake pedal P. 160
EV drive mode switch
Eco mode switch
Power mode switch P. 150
P. 155
P. 155
Hood lock release lever P. 419
Tilt and telescopic steering control lever ∗ P. 79
Glove box P. 364
Trunk opener
main switch
P. 60
Power (ignition) switch P. 145
Windshield wipers and
washer switch
P. 195
Gauges and meters
Multi-information display P. 162
P. 169
Audio system *2P. 262

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Instrument panel light control switches P. 163
Rear sunshade
switch
∗ P. 378
Headlight cleanerswitch
∗ P. 200
VIEW switch ∗*1
Windshield wiper de-icer
switch
∗ P. 261
Trunk opener P. 60
Fuel filler door opener
P. 92
HUD (Head-up Display)
main switch
∗ P. 175Outside rear view mirror
switches
P. 83
HUD (Head-up
Display) contrast
adjustment switch
∗
P. 175
HUD (Head-up
Display) position
adjustment switch
∗
P. 175
VSC OFF switch P. 225
∗: If equipped
*1: Refer to “Navigation System Owner's Manual”.
*2: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
NAVI switch ∗
P. 175

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1-1. Hybrid system
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Hybrid battery air ventThere is an air intake vent on the
side of the rear left seatback for
the purpose of cooling the hybrid
battery (traction battery). If the
vent become blocked, the hybrid
battery may overheat, leading to a
reduction in hybrid battery output.
Emergency shut off system When a certain level of impact is detected by the impact sensor, the
emergency shut off system blocks off the high voltage current and stops
the fuel pump to minimize the risk of electrocution and fuel leakage. If the
emergency shut off system activates, your vehicle will not restart. To
restart the hybrid system, contact your Lexus dealer.
Hybrid warning message
A message is automatically displayed when a malfunction occurs in the
hybrid system or an improper operation is attempted. If a warning message is shown on
the multi-information display, read
the message and follow the
instructions.
(→P. 501)

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1-1. Hybrid system
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Before driving
HS250h_U_75033U(Canada)
■If a warning light comes on, a warning message is displayed, or the 12-volt battery
is disconnected
The hybrid system may not start. In that case, try to start the system again. If the
“READY” indicator does not come on, contact your Lexus dealer.
■Electromagnetic waves
●High voltage parts and cables on the hybrid vehicles incorporate electromag-
netic shielding, and therefore emit approximately the same amount of electro-
magnetic waves as conventional gasoline powered vehicles or home electronic
appliances.
●Your vehicle may cause sound interference in some third party produced radio
parts.
●Consult your Lexus dealer before installing or removing third party-produced
radio parts.
■Running out of fuel
When the vehicle has run out of fuel and the hybrid system cannot be started, refuel
the vehicle with at least enough gasoline to make the low fuel level warning light
( → P. 495) go off. If there is only a small amount of fuel, the hybrid system may not
be able to start. (The minimum amount of fuel to add to make the low fuel level
warning light go out is about 2.6 gal. [10 L, 2.1 Imp.gal.], when the vehicle is on a
level surface. This value may vary when the vehicle is on a slope.)
■Hybrid battery (traction battery)
The hybrid battery (traction battery) has a limited service life. The lifespan of the
hybrid battery (traction battery) can change in accordance with driving style and
driving conditions.

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1-1. Hybrid system
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Energy monitor/consumption screen
Energy monitorNavigation system (if equipped) Press the “MENU” button.
You can view the status of your hybrid system on the multi-information dis-
play and the navigation system screen.
Navigation system screen (if
equipped)
Multi-information display
Remote Touch* “MENU” button
Remote Touch knob
“ENTER” button
*:For use of the Remote Touch,refer to “Navigation System
Owner's Manual”.

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1-1. Hybrid system
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Before driving
HS250h_U_75033U(Canada)Select on the screen
and press the “ENTER” button on
the Remote Touch.
Select and press the
“ENTER” button.
If the or
screen is displayed, select
and press the “ENTER” button.
Multi-information display Toggle the “ENTER” switch on the
steering wheel upward or down-
ward through several items to
select the energy monitor display.

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1-1. Hybrid system
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These images are examples only, and may vary slightly from actual conditions.
Navigation screenMulti-information display
When the vehicle is
powered by the
electric motor
(traction motor)
When the vehicle is
powered by both
the gasoline engine
and the electric
motor (traction
motor)
When the vehicle is
powered by the
gasoline engine
When the vehicle is
charging the hybrid
battery (traction
battery)
When there is no
energy flow
Hybrid battery
(traction battery)
statusLowFullLowFull

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1-1. Hybrid system
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Past record (vehicles with a navigation system)Press the “MENU” button and select .
Select and press the “ENTER” button.
If the screen does not appear, select and
press the “ENTER” button.
Best past fuel consumption
Average fuel consumption
Displays the average fuel consump-
tion between each reset of the total
average fuel consumption on the
multi-information display.
When resetting, if the total average
fuel consumption is better than the
best past fuel consumption, the best
past fuel consumption will be
updated.
These images are examples only, and may vary slightly from actual conditions.
■Resetting the consumption data
Selecting on the screen will reset the average fuel consump-
tion. Selecting on the screen will reset the past records.
Selecting will confirm resetting of all the data (except cruising range).
■Cruising range
Displays the estimated maximum distance that can be driven with the quantity of
fuel remaining.
This distance is computed based on your average fuel consumption.
As a result, the actual distance that can be driven may differ from that displayed.