change time Lexus IS250 2012 Using the air conditioning system and defogger / LEXUS 2012 IS250,IS350 OWNERS MANUAL (OM53A87U)

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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 sh own 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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1-2. Opening, closing and locking the doors and trunk
■Switching the door unlock function
It is possible to set which doors the entry function unlocks. Turn the “ENGINE START STOP” switch OFF.
When the indicator on the key surface is turned off, push and
hold , or for approximately 5 seconds while pushingon the key.
The setting changes each time an operatio n is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds,
and repeat step 2.)
To prevent unintended triggering of the alarm, unlock the doors using the electronic
key and open and close a door once after the settings have been changed. (If a
door is not opened within 60 seconds af ter is pressed, the doors will be locked
again and the alarm will automatically be set.)
In case that the alarm is triggere d, immediately stop the alarm. (P. 9 2 )
STEP1
STEP2
Multi-information
displayUnlocking doorsBeep
Hold the driver's door handle
to unlock only the driver's
door.
Exterior: Beeps three
times
Interior: Pings once
Hold the front passenger’s
door handle to unlock all
doors.
Hold either front door handle
to unlock all doors.Exterior: Beeps twice
Interior: Pings once

143
2-1. Driving procedures
2
When driving
■Changing “ENGINE START STOP” switch mode
Modes can be changed by pressing the “ENGINE START STOP”
switch with the brake pedal (vehicles with an automatic transmission)
or clutch pedal (vehicles with a manual transmission) released. (The
mode changes each time the switch is pressed.)
OFF*
The emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can be
used.
The “ENGINE START STOP”
switch indicator turns amber.
IGNITION ON mode
All electrical components can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
*: If the shift lever is in a positionother than P when turning off
the engine, the “ENGINE
START STOP” switch will be
turned to ACCESSORY mode,
not to OFF. (vehicles with auto-
matic transmission)

162
2-2. Instrument cluster
Push “” or “” within 6 seconds of the speedometer or tachometer nee-
dle moving to change the setting of the desired speed, then turn the indi-
cator mode to “ON” by pushing the “ON/OFF” button.
Pushing and holding the button chan ges values at a faster rate.
If the satellite switch is not operated for some time, the multi-information dis-
play returns to its previously displayed content.
The yellow indicator is displayed to indicate that the desired speed has
been set.
STEP2
■Speed indicator display conditions and vehicle speed setting range
Vehicle speed setting range: Approximately 30 to 100 mph (approximately 50 to 160 km/h)
When the maximum speed is selected, the speed indicator comes on only in red.
■Tacho indicator display conditions and engine speed setting range
Engine rpm setting range: Approximately 2000 to 6500 rpm (r/min)
When the maximum rpm is selected, the tacho indicator comes on only in red.

187
2-4. Using other driving systems
2
When driving
■Adjusting the set speed
To change the set speed, operate the lever until the desired set
speed is obtained.
Increases the speed
Decreases the speed
Fine adjustment: Momentarily
move the lever in the desired
direction.
Large adjustment: Hold the
lever in the desired direction.
The set speed will be increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is
operated.
Large adjustment: The set speed can be increased or decreased continu-
ally until the lever is released.
■ Canceling and resuming the constant speed control
Pulling the lever toward you
cancels the constant speed
control.
The speed setting is also can-
celed when the brakes are
applied or the clutch pedal
(manual transmission only) is
depressed.
Pushing the lever up resumes
the constant speed control.
Resuming is available when the
vehicle speed is more than
approximately 25 mph (40
km/h)

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.

231
3-2. Using the audio system
3
Interior features
RDS (Radio Data System) (type A) This feature allows your radio to receive station identification information
and program information (classical, ja zz, etc.) from radio stations which
broadcast this information.
■ Receiving RDS broadcasts
Press “ ” or “ ” on during FM reception.
The type of program changes each time is pressed.
●“ROCK”
● “EASYLIS” (Easy listening)
● “CLS/JAZZ” (Classical music and Jazz)
● “R & B” (Rhythm and Blues)
● “INFORM” (Information)
● “RELIGION”
● “MISC” (Miscellaneous)
● “ALERT” (Emergency messages)
If the system receives no RDS stations, “NO PTY” appears on the dis-
play.
Press , or “ ” or “” on .
The radio seeks or scans the stations by the relevant program type.
STEP1
STEP2

232
3-2. Using the audio system
■Displaying radio station names
Press .
■ Displaying radio text messages
Press twice.
If “MSG” shows in the display, a text message will be displayed.
If the text continues past the end of the display, is displayed. Press and
hold until you hear a beep.
XM® Satellite Radio (type A)
■ Receiving XM
® Satellite Radio
Press .
The display changes as follows each time is pressed.
“SAT1”  “SAT2”  “SAT3”
Turn to select the desired ch annel in all categories or press
“  ” or “ ” on to select the desired channel in the current
category.
■ Setting XM
® Satellite Radio channel presets
Select the desired channel. Press the button the channel is to be set to
(from to ) until you hear a beep.
■ Changing the channel category
Press “ ” or “ ” on .
STEP1
STEP2

233
3-2. Using the audio system
3
Interior features
■Scanning XM® Satellite Radio channels
● Scanning channels in the current category
Press .
When the desired channel is reached, press again.
● Scanning preset channels
Press and hold until you hear a beep.
When the desired channel is reached, press again.
■ Displaying text information
Press .
The display will show up to 10 characters.
The display changes as follows each time is pressed.
● CH NAME
● TITLE (SONG/PROGRAM TITLE)
● NAME (ARTIST NAME/FEATURE)
● CH NUMBER
STEP1
STEP2
STEP1
STEP2

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3-2. Using the audio system
3
Interior features
■If the satellite radio does not operate normally
If a problem occurs with the XM
® tuner, a message will appear on the display. Refer
to the table below to identify the problem, and take the suggested corrective action.
“ANTENNA”
The XM® antenna is not connected. Check whether
the XM® antenna cable is attached securely.
There is a short-circuit in the antenna or the surround-
ing antenna cable. See a Lexus certified dealer.
“UNAUTH”
You have not subscribed to the XM® Satellite Radio.
The radio is being updated with the latest encryption
code. Contact the XM
® Satellite Radio for subscrip-
tion information. When a co ntract is canceled, you can
choose the “CH000” and all free-to-air channels.
The premium channel you selected is not authorized.
Wait for about 2 seconds until the radio returns to the
previous channel or “CH001”. If it does not change
automatically, select another channel. If you want to lis-
ten to the premium channel, contact XM
® Satellite
Radio.
“NO SIGNAL”
The XM® signal is too weak at the current location.
Wait until your vehicle reaches a location with a stron-
ger signal.
“LOADING”The unit is acquiring audio or program information.
Wait until the unit has received the information.
“OFF AIR”The channel you selected is not broadcasting any pro-
gramming. Select another channel.
“-----”
There is no song/program title or artist name/feature
associated with the channel at that time. No action
needed.