2010 Lexus IS250 Instrument Cluster / LEXUS 2010 IS350 IS250 OWNERS MANUAL (OM53A23U)

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Type B Type A
Telephone switch *2P. 302
Cruise control switch 
Dynamic radar cruise control switch

P. 175
P. 179
Distance switch 
P. 179
“DISP” switch P. 161
Talk switch *2P. 302
“DISP” switch P. 161
Distance switch 
P. 179
Cruise control switch 
Dynamic radar cruise control switch

P. 175
P. 179
Automatic transmission Manual transmission
VSC off
switch
 P. 198
ECT switch P. 140
VSC off
switch
 P. 198
ETCS switch P. 146
B
C
: 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”.

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Pictorial indexInstrument panel
D
Rear sunshade switch  P. 355
Trunk opener P. 47
Fuel filler door opener P. 83
Headlight cleaner switch  P. 174
Satellite switches P. 342
Instrument panel light
control dial
P. 152
: If equipped
Windshield wiper de-icer  P. 229

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For your information
Main Owner’s Manual
Please note that this manual applies to all models and explains all equipment, includ-
ing options. Therefore, you may find some explanations for equipment not installed
on your vehicle.
All specifications provided in this manual are current at the time of printing. How-
ever, because of the Lexus policy of continual product improvement, we reserve the
right to make changes at any time without notice.
Depending on specifications, the vehicle shown in the illustration may differ from
your vehicle in terms of color and equipment.
Noise from under vehicle after turning off the engine
Approximately five hours after the engine is turned off, you may hear sound coming
from under the vehicle for several minutes. This is the sound of a fuel evaporation
leakage check and, it does not indicate a malfunction.
Accessories, spare parts and modification of your Lexus
A wide variety of non-genuine spare parts and accessories for Lexus vehicles are
currently available in the market. You should know that Toyota does not warrant
these products and is not responsible for their performance, repair, or replacement,
or for any damage they may cause to, or adverse effect they may have on, your
Lexus vehicle.
This vehicle should not be modified with non-genuine Lexus products. Modification
with non-genuine Lexus products could affect its performance, safety or durability,
and may even violate governmental regulations. In addition, damage or perfor-
mance problems resulting from the modification may not be covered under war-
ranty.

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Installation of a mobile two-way radio system
As the installation of a mobile two-way radio system in your vehicle could affect
electronic systems such as the multiport fuel injection system/sequential multiport
fuel injection system, cruise control system, anti-lock brake system, SRS airbag sys-
tem and seat belt pretensioner system, be sure to check with your Lexus dealer for
precautionary measures or special instructions regarding installation.
Scrapping of your Lexus
The SRS airbag and seat belt pretensioner devices in your Lexus contain explosive
chemicals. If the vehicle is scrapped with the airbags and seat belt pretensioners left
as they are, this may cause an accident such as fire. Be sure to have the systems of
the SRS airbag and seat belt pretensioner removed and disposed of by a qualified
service shop or by your Lexus dealer before you scrap your vehicle.
Perchlorate Material
Special handling may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate.
Your vehicle has components that may contain perchlorate. These components may
include airbag, seat belt pretensioners, and wireless remote control batteries.

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CAUTION
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the influence of
alcohol or drugs that have impaired your ability to operate your vehicle. Alcohol
and certain drugs delay reaction time, impair judgment and reduce coordination,
which could lead to an accident that could result in death or serious injury.
Defensive driving: Always drive defensively. Anticipate mistakes that other drivers
or pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full attention to driving. Anything that distracts
the driver, such as adjusting controls, talking on a cellular phone or reading can
result in a collision with resulting death or serious injury to you, your occupants or
others.
■General precaution regarding children’s safety
Never leave children unattended in the vehicle, and never allow children to have or
use the key.
Children may be able to start the vehicle or shift the vehicle into neutral. There is
also a danger that children may injure themselves by playing with the cigarette
lighter, the windows, the moon roof, or other features of the vehicle. In addition, heat
build-up or extremely cold temperatures inside the vehicle can be fatal to children.

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Symbols used throughout this manual
Cautions & Notices
Symbols used in illustrations
CAUTION
This is a warning against anything which may cause injury to people if the warning is
ignored. You are informed about what you must or must not do in order to reduce the
risk of injury to yourself and others.
NOTICE
This is a warning against anything which may cause damage to the vehicle or its
equipment if the warning is ignored. You are informed about what you must or must
not do in order to avoid or reduce the risk of damage to your Lexus and its equipment.
Safety symbol
The symbol of a circle with a slash through it means “Do not”,
“Do not do this”, or “Do not let this happen.”
Arrows indicating operations
Indicates the action (pushing, turning, etc.)
used to operate switches and other
devices.
Indicates the outcome of an operation (e.g.
a lid opens).

Before driving1
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1-1. Key information
Keys ............................................... 24
1-2. Opening, closing and
locking the doors and
trunk
Smart access system with
push-button start ................... 28
Wireless remote control ........ 40
Doors ............................................ 43
Trunk ............................................. 47
1-3. Adjustable components
(seats, mirrors,
steering wheel)
Front seats .................................... 51
Driving position memory
(driver’s seat) ........................... 53
Seat position memory
(front passenger’s seat) ........ 57
Head restraints .......................... 59
Seat belts ..................................... 62
Steering wheel (manually
adjustable type) ...................... 69
Steering wheel
(power-adjustable type) ....... 70Anti-glare inside rear view
mirror......................................... 72
Outside rear view mirrors...... 73
1-4. Opening and closing the
windows and moon roof
Power windows ........................... 76
Moon roof ................................... 79
1-5. Refueling
Opening the fuel tank cap ..... 83
1-6. Theft deterrent system
Engine immobilizer
system........................................ 86
Alarm............................................ 88
Theft prevention labels
(U.S.A.)...................................... 90
1-7. Safety information
Correct driving posture .......... 91
SRS airbags ................................ 93
Front passenger occupant
classification system............ 104
Child restraint systems ......... 109
Installing child restraints........ 113

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1-1. Key information
Keys
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart access
system with push-button start
(P. 2 8 )
• Operating the wireless
remote control function
(P. 4 0 )
Mechanical keys
Key number plate
■Card key (if equipped)
Electronic key
Operating the smart access sys-
tem with push-button start
(P. 2 8 )
Mechanical key