lights Lexus HS250h 2010 Hybrid System / LEXUS 2010 HS250H (OM75006U) User Guide

105
1-8. Safety information
1
Before driving
SRS airbag system components
Your vehicle is equipped with ADVANCED AIRBAGS designed based
on the US motor vehicle safety standards (FMVSS208). The airbag sys -
tem controls airbag deployment pow er for the driv
er and front passen-
ger. The driver airbag system consists of the driv
er’s seat position sensor
etc. The front passenger’s airbag system consists of the front passenger
occupant classification sensor etc.
Occupant detection system
(ECU and sensors)
Front passenger’s seat belt
buckle switch
Knee airbags
Front passenger airbag
Curtain shield airbags
Front side airbags
Side and curtain shield airbag
sensors
Curtain shield and rear side
airbag sensors SRS warning light
Rear side airbags
Driver airbag
Driver’s seat belt buckle switch
Driver’s seat position sensor
“AIR BAG ON” and “AIR BAG OFF” indicator lights
Airbag sensor assembly
Front airbag sensors

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1-8. Safety information
Condition and operation in the front passenger occupant classification system
■Adult*1
■Child *3 or child restraint system*4
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF”
indicator lights “A I R B A G
ON”
SRS warning light Off
Front passenger’s seat belt reminder light Flashing
*2
DevicesFront passenger airbag
Activated
Side airbag on the front passenger seatCurtain shield airbag in the front passenger side
Front passenger knee airbag
Front passenger’s seat belt pretensioner
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF”
indicator lights “A I R B A G
OFF”
*5
SRS warning light Off
Front passenger’s seat belt reminder light Flashing
*2
DevicesFront passenger airbag Deactivated
Side airbag on the front passenger seat ActivatedCurtain shield airbag in the front passenger side
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner Activated

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1-8. Safety information
1
Before driving
■Unoccupied
■ Ther
e is a malfunction in the system
*1: The system judges a person of adult size as an adult. When a smaller
adult sits in the front passenger seat, the system may recognize him/
her as a child depending on his/her physique and posture.
*2: In the event the front passenger does not wear a seat belt.
*3: When a larger child who has outgrow n a child restraint system sits in
the front passenger seat, the system may recognize him/her as an
adult depending on his/her physique or posture.
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF”
indicator lightsNot illuminated
SRS warning light Off
Front passenger’s seat belt reminder light
Devices Front passenger airbag Deactivated
Side airbag on the front passenger seat Activated
Curtain shield airbag in the front passenger side
Front passenger knee airbagDeactivated
Front passenger’s seat belt pretensioner
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF”
indicator lights “A I R B A G
OFF”
SRS warning light On
Front passenger’s seat belt reminder light Off
Devices Front passenger airbag Deactivated
Side airbag on the front passenger seat Activated
Curtain shield airbag in the front passenger side
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner Activated

When driving2
135
2-1. Driving proceduresDriving 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

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2-1. Driving procedures
2
When driving
Turn signal lever
■Turn signals can be operated when
The “POWER” switch is in ON mode.
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear
turn signal lights has not burned out.
The turn signal lever can be used to show the following intention of the
driver:
Right turn
Left turn
Lane change to the right
(push and hold the lever part-
way)
The right hand signals will flash
until you release the lever.
Lane change to the left (push
and hold the lever partway)
The left hand signals will flash
until you release the lever.

163
2-2. Instrument cluster
2
When driving
Changing the display
Switches between odometer and
trip meter displays. When the trip
meter is displayed, pressing and
holding the button will reset the
trip meter.
Instrument panel light control
The brightness of the instrument panel lights can be adjusted.
Brighter
Darker
Multi-information display
P. 1 6 9
■Instrument panel brightness adjustment
The instrument panel brightness levels when the tail lights are on and off can be
adjusted. Ho

wever, when the surroundings are bright (daytime, etc.) turning on the
tail lights will not change the instrument panel brightness.

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2-2. Instrument cluster
■Limitations of brightness adjustment
The brightness of the instrument panel lights is automatically adjusted based on the
light sensor detecting how bright the surroundings are. However, if the instrument
panel brightness has been manually set to either the brightest or dimmest setting,
the automatic adjustment will not be performed.
■Hybrid System Indicator
●By keeping the indicator needle within Eco area, environmentally-friendly driv-
ing can be achieved.
Hybrid Eco area shows that gasoline engine power is not being used very often.*
1
●Charge area indicates regeneration*2 status. Regenerated energy will be used
to charge the hybrid battery.
*
1: The gasoline engine will automatically stop and restart under various condi- tions.
*
2: When used in this manual, “regeneration” refers to the conversion of energy created by the movement of the vehicle into electrical energy.
■Customization
Settings (e.g. Sensitivity of the ambient light sensor used for dimming the meter
lights) can be changed. (Customizable features P. 5 7 2 )
NOTICE
■To prevent damage to the hybrid system and its components
A high engine coolant temperature warning light ( P. 492) is installed instead of
an engine coolant temperature gauge. If the high engine coolant temperature
warning light illuminates or flashes, the vehicle may be overheating. Immediately
stop the vehicle in a safe area ( P. 5 4 1 ) .
Eco area 
Eco Driving Indicator Light comes on
Hybrid Eco area 
Eco Driving Indicator Light comes on
Charge area 
Eco Driving Indicator Light comes on
Po w e r a r e a 
Eco Driving Indicator Light turns off

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2-2. Instrument cluster
2
When driving
Indicators and warning lights
The indicator and warning lights on the instrument cluster and center
panel inform the driver of the status of the vehicle’s various systems.
Instrument cluster
Center panel (without a navigation system)
Center panel (with a navigation system)

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2-2. Instrument cluster
2
When driving*1:These lights turn on when the “POWER” switch is turned to the ON mode to indicate that a system check is be ing performed. They will turn off after
the hybrid system is on, or after a fe w seconds. There may be a malfunction
in a system if a light does not come on, or if the lights do not turn off. Have
the vehicle inspected by your Lexus dealer.
*2:The indicator flashes to indicate that the system is operating.
*3:The indicator flashes faster than usua l to indicate that the system is operat-
ing.
VSC OFF indicator 
( P. 2 2 6 ) Shift position indicators 
( P. 1 5 6 )
(if equipped)
“PCS” indicator 
( P. 2 3 3 )SRS airbag on-off 
indicator ( P. 115)
*1
*1, 3*1

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2-2. Instrument cluster
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS airbag warning light not
come on when you start the hybrid system , this could mean that these systems are
not available to help protect you in an accid ent, which could result in death or seri-
ous injury. Have the vehicle inspected by your Lexus dealer immediately if this
occurs.
■ Warning lights
Warning lights inform the driver of malfunctions in any of the vehi-
cle’s systems. ( P. 4 9 2 )
*1: These lights turn on when the “POWER” switch is turned to ON mode
to indicate that a system check is being performed. They will turn off
after the hybrid system is on, or after a few seconds. There may be a
malfunction in a system if a light does not come on, or if the lights do not
turn off. Have the vehicle inspected by your Lexus dealer.
*2: The indicator flashes to indicate a malfunction.
(U.S.A.)(Canada)(U.S.A.)(Canada)
redyellow
(U.S.A.)(Canada)(if equipped)
(if equipped)(if equipped)(if equipped)
(if equipped)(for driver)(for front
passenger)
*1*1*1*1*1*1*1
*1*1*1*1*1, 2
*1*1, 2*2*2*2*1*1
*2