display Lexus IS250 2008 Using the air conditioning system and defogger / LEXUS 2008 IS250 OWNER'S MANUAL (OM53699U)

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2-2. Instrument cluster..................... 130Gauges and meters ..................... 130
Indicators and warning lights ... 136
Multi-information display........... 139
2-3. Operating the lights and windshield wipers .................... 143
Headlight switch ............................ 143
Fog light switch .............................. 146
Windshield wipers and washer............................................. 147
Headlight cleaner switch ............. 151
2-4. Using other driving systems.... 152 Cruise control ................................ 152
Dynamic radar cruise control............................................. 155
Intuitive parking assist ................. 164
Driving assist systems.................. 170
PCS (Pre-Collision System)..... 176
2-5. Driving information ................... 179 Cargo and luggage ...................... 179
Vehicle load limits ......................... 182
Winter driving tips ........................ 183
Trailer towing .................................. 187
Dinghy towing (vehicles with an
automatic transmission) .......... 188
Dinghy towing (vehicles with a
manual transmission) ................ 189 3-1. Using the air conditioning
system and defogger ............. 192
Automatic air conditioning system .................. 192
Rear window and outside rear view mirror defoggers ........... 200
3-2. Using the audio system............ 201 Audio system type ........................ 201
Using the radio.............................. 204
Using the CD player...................... 211
Playing back MP3 and WMA discs.................................... 217
Optimal use of the audio system ............................................ 225
Using the AUX adapter ............ 228
Using the steering wheel audio switches ............................ 229
3-3. Using the interi or lights ........... 231
Interior lights list............................. 231
• Interior lights ............................... 234
• Personal lights ............................ 234
3Interior features

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5-1. Essential information .............. 350If your vehicle needs to be towed ...................................... 350
If you think something is wrong ......................................... 356
Fuel pump shut off system ........ 357
Event data recorder ................... 358
5-2. Steps to take in an emergency .............................. 360
If a warning light turns on or a warning buzzer
sounds... ....................................... 360
If a warning message is displayed ....................................... 369
If you have a flat tire.................... 382
If the engine will not start ........... 391
If the shift lever cannot be shifted from P .............................. 392
If you lose your keys .................... 393
If the electronic key does not operate properly ....................... 394
If the vehicle battery is discharged ................................... 397
If your vehicle overheats .......... 400
If the vehicle becomes stuck ... 402 6-1. Specifications ............................ 406
Maintenance data (fuel, oil level, etc.)..................... 406
Fuel information ............................. 421
Tire information ............................ 424
6-2. Customization .......................... 436 Customizable features .............. 436
6-3. Initialization ................................ 441 Items to initialize ............................ 441
Reporting safety defects for U.S. owners........................... 444
Seat belt instructions for Canadian owners
(in French) .................................... 445
Abbreviation list .................................. 448
Alphabetical index.............................. 450
What to do if... ...................................... 462
5When trouble arises6Vehicle specifications
7For owners
Index

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Pictorial indexInstrument panel
Headlight switch Turn signal lever Fog light switch P. 143
P. 128
P. 146
Shift paddle switches  P. 124
Gauges and meters P. 130
Multi-information display P. 139
Windshield wipers and washer switch P. 147
Engine (ignition) switch P. 117
Trunk opener main switch P. 41
Glove box P. 236
Tilt and telescopic steering lock release lever  P. 58
Tilt and telescopic steering control switch  P. 59
Parking brake pedal (automatic transmission) P. 129
Audio remote control switches P. 229

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1-2. Opening, closing and locking the doors and trunk
■Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have
been locked/unlocked. (Locked: Once; Unlocked: Twice)
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the fol-
lowing situations, the communication betw een the electronic key and the vehicle
may be affected, preventing the smart access system with push-button start from
operating properly:
(Ways of coping: P. 3 9 4 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
●When the electronic key is in contact wi th, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When multiple electronic keys are in the vicinity
●When another wireless key (that emits radio waves) is being used nearby
●When carrying or using the electronic key together with the following devices
that emit radio waves
• Another vehicle's electronic key or a wireless key that emits radio waves
• Personal computer or personal digital assistant (PDA)
• Digital audio player
• Portable game system
●If window tint with a metallic content or metallic objects are attached to the rear
window

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1-2. Opening, closing and locking the doors and trunk
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Before driving
■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.)
Unlock the doors using the electron ic key and open one of the doors.
If a door is not opened within 60 seconds after is pressed, the doors
will be locked again and the alarm will automatically be set.In case that the
alarm is triggered, immediately stop the alarm. ( P. 74 )
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 doorsExterior: Beeps twice
Interior: Pings once
STEP3

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1-2. Opening, closing and locking the doors and trunk
■Alarms and warning indicators
A combination of exterior and interior alarms as well as warnings displayed on the
multi-information display are used to prevent theft of the vehicle and unforeseeable
accidents resulting from erroneous operation. Take appropriate measures in
response to any warning indications on the multi-information display. (P. 3 6 9 )
The following table describes circumstances and correction procedures when only
alarms are sounded.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 2
seconds
Tried to lock the doors using
the entry function while the
electronic key is still inside
the passenger compartmentRetrieve the electronic
key from the passenger
compartment and lock
the doors again.
Closed the trunk while the
electronic key is still inside
and all doors are lockedRetrieve the electronic
key from the trunk and
close the trunk lid.
Exterior alarm
sounds once for 60
seconds
Tried to exit the vehicle with
the electronic key and lock
the doors without first turning
the “ENGINE START STOP”
switch OFFTu r n t h e “ E N G I N E
START STOP” switch
OFF and lock the doors
again.
Exterior alarm
sounds once for 10
secondsTried to lock the vehicle using
the entry function while a
door is openClose all of the doors
and lock the doors
again.
Interior alarm
sounds continu-
ously
*
Tried to open the door and
exit the vehicle without shift-
ing the shift lever to P
Shift the shift lever to P.

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1-7. Safety information
Installing child restraints
Follow the child restraint system manufacturer's instructions. Firmly
secure child restraints to the rear seats using a seat belt or a child restraint
lower anchorage. Attach the top strap when installing a child restraint.
Seat belts equipped with a
child restraint locking mecha-
nism (ALR/ELR belts except
driver’s seat belt) ( P. 5 2 )
Child restraint lower anchor-
ages
Lower anchorages are pro-
vided for the outside rear seats.
(Buttons displaying the location
of the anchorages are attached
to the seats.)
Anchor bracket
(for top strap)
Anchor brackets are provided
for all rear seats.

When driving2
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2-1. Driving procedures ....... 108Driving the vehicle................. 108
Engine (ignition) switch .......... 117
Automatic Transmission ........ 122
Manual Transmission.............. 126
Turn signal lever ....................... 128
Parking brake ........................... 129
2-2. Instrument cluster ......... 130 Gauges and meters ................ 130
Indicators and warning lights ......................................... 136
Multi-information display ...................................... 139
2-3. Operating the lights and windshield wipers......... 143
Headlight switch...................... 143
Fog light switch ........................ 146
Windshield wipers and washer ..................................... 147
Headlight cleaner switch....... 151 2-4. Using other driving
systems .......................... 152
Cruise control.......................... 152
Dynamic radar cruise control ..................................... 155
Intuitive parking assist ........... 164
Driving assist systems ............ 170
PCS (Pre-Collision System) ........ 176
2-5. Driving information........ 179 Cargo and luggage ................. 179
Vehicle load limits ................... 182
Winter driving tips .................. 183
Trailer towing ........................... 187
Dinghy towing (vehicles with an automatic
transmission) ......................... 188
Dinghy towing (vehicles with a manual
transmission) ......................... 189

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2-1. Driving procedures
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When driving
■Gear position display when driving in S mode
The current gear is displayed on the multi-information display. ( P. 1 4 2 )
■Downshifting restrictions wa rning buzzer (in the S mode)
To help ensure safety and driving perfor mance, downshifting operation may some-
times be restricted. In some circumstances, downshifting may not be possible even
when the shift lever or shift paddle switch is operated. (The warning buzzer will
sound twice.)
■When driving with the cruise control system or dynamic radar cruise control sys-
tem
The engine brake will not operate in the S mode, even when downshifting to 5 or 4.
(  P. 152, 155)
■Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned off after driving in snow mode.
■If the shift lever cannot be shifted from P
 P. 3 9 2
■If does not come on even after shifting the shift lever to S
This may indicate a malfunction in the automatic transmission system. Have the
vehicle inspected by your Lexus dealer immediately.
(In this situation, the vehicle will operate as if the shift lever is in D.)
■AI-SHIFT
The AI-SHIFT automatically shifts the gear to the optimal position according to the
driver performance and driving conditions.
The AI-SHIFT automatically operates when th e shift lever is in the D position. (Shift-
ing the shift lever to the S position cancels the function.)

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2-2. Instrument cluster
Gauges and meters
The units used on the speedometer and the tachometer gauge display may
differ depending on the model/type.

The following gauges, meters and display illuminate when the
“ENGINE START STOP” switch is in IGNITION ON mode.
Speedometer
Displays the vehicle speed.
Multi-information display
 P. 1 3 9
Tachometer
Displays the engine speed in revolutions per minute.
Tacho indicator
When the set engine speed is reached, this ring-shaped indicators comes
on in yellow. The indicator comes on in red when the engine speed
reaches a dangerous range.
Engine coolant temperature gauge
Displays the engine coolant temperature.