navigation system Lexus IS250 2012 Owner's Manual / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U)
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TABLE OF CONTENTSIndex
2
1-1. Key informationKeys ...................................................... 28
1-2. Opening, closing and locking  the doors and trunk
Smart access system with  push-button start .......................... 33
Wireless remote control .............. 45
Doors.................................................... 48
Trunk..................................................... 52
1-3. Adjustable components  (seats, mirrors, 
steering wheel)
Front seats .......................................... 56
Driving position memory ............  58
Head restraints.................................  62
Seat belts ............................................ 65
Steering wheel (manually  adjustable type).............................  72
Steering wheel  (power-adjustable  type)............  73 Anti-glare inside rear view 
mirror ................................................  75
Outside rear view mirrors ...........  77
1-4. Opening and closing the  windows and moon roof
Power windows...............................  80
Moon roof .......................................... 83
1-5. Refueling Opening the fuel tank cap...........  87
1-6. Theft deterrent system Engine immobilizer system ......... 90
Alarm....................................................  92
Theft prevention labels (U.S.A.) ............................................. 95
1-7. Safety information Correct driving posture ............... 96
SRS airbags ....................................... 98
Front passenger occupant classification system ..................  109
Child restraint sy stems ................. 114
Installing child restraints ..............  118
1Before driving
For vehicles with a navigation system, refer to the “Navigation System Owner’s
Manual” for information regarding the equipment listed below.
• Navigation system
• Air conditioning
• Climate control
• Rear view monitor system • Audio/video system
• Rear window and outside rear view
mirror defogging
• Intuitive parking assist 
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Tires
●Rotation
● Replacement
● Inflation pressure
● Information
P. 412
P. 492
P. 531
P. 541
Tail lights P. 172
Side marker lights P. 172
Trunk P. 52
Rear window defogger  *1P. 224
Doors P. 48
Fuel filler door P. 87
Turn signal lights P. 154
: If equipped
*1: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”. 
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15
 Without navigation system 
Clock
 
P. 338
Audio 
system
 
P. 226
Air conditioning
system
P. 216Rear window and out-
side rear view mirror 
defoggers switch 
P. 224
Security indicator 
P. 90, 92
Emergency
flasher switch 
P. 462
: If equipped
A 
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Navigation 
system
*2
Clock P. 338
Audio system*2
Security indicator 
P. 90, 92
Emergency flasher 
switch 
P. 462
Air conditioning 
system
*2
 With navigation system 
Rear window and 
outside rear view 
mirror defoggers 
switch
*2
A
Pictorial indexInstrument panel 
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Telephone switch  *1P. 298
Cruise control switch P. 186
“DISP” switch P. 168
Talk switch  *1P. 298
 Automatic transmission Manual transmission
ECT switch P. 147ETCS switch P. 153
B
C
: If equipped
*1: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
*2: Refer to “Navigation System Owner's Manual”.
Windshield wiper 
de-icer 
 P. 225Windshield wiper 
de-icer 
 P. 225 
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190
2-4. Using other driving systems
Intuitive parking assist
The distance to obstacles measured by the sensors is communicated via
the multi-information display and a buzzer when parallel parking or
maneuvering into a garage. Always  check the surrounding area when
using this system. 
With navigation system
For vehicles equipped with a navigation  system, refer to the separate “Navi-
gation System Owner’s Manual” for further details. 
Without navigation system
■ Types of sensors
Front corner sensors
Rear corner sensors
Back sensors
■ Multi-information display ( P.  1 6 7 )
Front corner sensor opera-
tion
Rear corner sensor operation
Back sensor operation
 
: If equipped 
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216
3-1. Using the air conditioning system and defogger
Automatic air conditioning system
Using the automatic mode
Press .
The air conditioning system will begin to operate. Air outlets and fan
speed are automatically adjusted according to the temperature setting.
Press to switch to automatic mode. (IS350 only)
Automatically switches between outs ide air and recirculated air modes.
Air outlets and fan speed are automati cally adjusted according to the tem-
perature setting.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
Without navigation system
Automatic mode
Driver’s side temperature 
setting display Changes the air outlets used
Off Fan speed
Airflow display
Fan speed display
Passenger’s side 
temperature setting displayMicro dust and 
pollen filter
Driver's side 
temperature control
Air conditioning on/off Outside air or recirculated air modeWindshield defogger
Passenger’s side 
temperature control
Dual operation
STEP1
STEP2 
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224
3-1. Using the air conditioning system and defogger
Rear window and outside rear view mirror defoggers
■The defogger can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the outside surface of the rear view mirror, as it can become very hot
and burn you.
These features are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
Without navigation system
On/off
The defoggers will automatically
turn off after 15 to 60 minutes.
The operation time changes
according to the ambient tem-
perature and vehicle speed. 
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3-2. Using the audio system
Audio system type
With navigation system
Owners of models equi pped with a navigation system should refer to
the “Navigation System Owner's Manual”.
Without navigation system (type A)
CD player with changer and AM/FM radio
Without navigation system (type B)
CD player with changer and AM/FM radio 
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3-3. Using the Bluetooth® audio system
Bluetooth® audio system
■Conditions under which the system will not operate
●If using a portable player that does not support Bluetooth®
●If the portable player is switched off
●If the portable player is not connected
●If the portable player’s battery is low
●If the portable player is behind the seat or in the glove box or console box
●If metal is covering or touching the portable player
The Bluetooth® audio system enables you to enjoy music played on a por-
table digital audio player (portable pl ayer) from the vehicle speakers via
wireless communication.
This audio system supports Bluetooth
®, a wireless data system capable of
playing portable audio music without ca bles. If your portable player does
not support Bluetooth
®, the Bluetooth® audio system will not function.
Vehicles with a navigation system
Owners of models equi pped with a navigation system should refer to
the “Navigation System Owner's Manual”.
Vehicles without a navigation system
Ti t l ePa g e
Using the Bluetooth® audio systemP.  2 7 9
Operating a Bluetooth® enabled portable playerP.  2 8 4
Setting up a Bluetooth® enabled portable playerP.  2 8 7
Bluetooth® audio system setupP.  2 9 3