warning Lexus IS250 2006 Do-it-yourself maintenance / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNER'S MANUAL (OM53508U)

TABLE OF CONTENTSIndex
1-1. Key information .............................. 2Keys ......................................................... 2
1-2. Opening, closing and locking the doors and trunk ..................... 4
Smart access system with push-button start ............................. 4
Wireless remote control ............... 12
Doors..................................................... 15
Trunk...................................................... 19
1-3. Adjustable components ............ 22 Front seats .......................................... 22
Driving position memory ............. 24
Seat position memory ................... 27
Head restraints................................. 29
Seat belts ........................................... 30
Steering wheel (manually adjustable type) ....... 36
Steering wheel (power-adjustable type)............ 37
Anti-glare inside rear view mirror ............................................... 38
Outside rear view mirrors ........... 39
1-4. Opening and closing the windows and moon roof ........... 41
Power windows................................. 41
Moon roof .......................................... 44 1-5. Refueling ........................................ 47
Opening the fuel tank cap........... 47
1-6. Anti-theft system ........................ 50 Engine immobilizer system ........ 50
Alarm.................................................... 52
Theft prevention labels (U.S.A.) ............................................. 54
1-7. Safety information ....................... 55 Correct driving posture ............... 55
SRS airbags ....................................... 57
Child restraint sy stems ................. 68
Installing child restraints ................. 71
2-1. Driving procedures.................... 82 Driving the vehicle .......................... 82
Starting the engine ......................... 89
Automatic Transmission .............. 92
Manual Transmission..................... 96
Turn signal lever............................... 98
Parking brake ................................... 99
2-2. Instrument cluster ..................... 100 Gauges and meters ..................... 100
Indicators and warning lights................................................. 106
Multi-information display........... 109
1Before driving
2When driving

1
2
3
4
5
6
7
Fuel pump shut off system ........ 326
Event data recorder .................... 327
5-2. Steps to take in an emergency .............................. 329
If a warning light turns on or a warning buzzer sounds... .... 329
If a warning message is displayed ....................................... 334
If you have a flat tire.................... 348
If the engine will not start .......... 356
If the shift lever cannot be shifted from P .............................. 357
If you lose your keys ................... 358
When the electronic key battery is discharged ............... 359
If the vehicle battery is discharged ................................... 362
If your vehicle overheats ........... 365
If the vehicle becomes stuck................................................ 367
6-1. Specifications............................ 370 Maintenance data ........................ 370
Fuel information ........................... 384
Tire information............................. 387
6-2. Customization .......................... 395 Customizable features .............. 395 6-3. Initialization ............................... 399
Items to initialize ........................... 399
Reporting safety defects for U.S.A. owners ...................... 402
Alphabetical index.............................. 404
What to do if... ........................................ 413
6Vehicle specifications
7For US owners
Index

Symbols used throughout this manual
Cautions & Notices
Safety symbol
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.
Throughout this manual, you will also see the symbol of a circle
with a slash through it. This means "Do not", "Do not do this", or
"Do not let this happen".

9
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■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 3 4 )
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.
Tried to exit the vehicle with
the electronic key and lock
the doors without first turning
the engine switch OFFTurn the engine switch
OFF 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 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.

11
1-2. Opening, closing and locking the doors and trunk
1
Before driving
NOTICE:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generate s, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful inter-
ference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.
●Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
For vehicles sold in Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must a ccept any interference, including interfer-
ence that may cause undesired operation of the device.
CAUTION
■Caution regarding interference with electronic devices
Electromagnetic waves may affect electronic medical equipment, such as cardiac
pacemakers. Contact the electronic medical equipment manufacturer for details
before use.

13
1-2. Opening, closing and locking the doors and trunk
1
Before driving
■Conditions affecting operation
P. 6
■Customization
Settings (e.g. trunk unlocking function) can be changed. ( P. 395)
■Certification for wireless remote control
For vehicles sold in the U.S.A.
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
NOTICE:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generate s, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful inter-
ference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.
●Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
FCC ID: NI4TMLF-1

58
1-7. Safety information
Airbag system componentsThe main SRS airbag system componen ts are shown above. The SRS air-
bag system is controlled by the airb ag sensor assembly. The airbag sen-
sor assembly consists of a safing sensor and an airbag sensor.
In certain types of severe frontal or side impacts, the SRS airbag system
triggers the airbag inflators. A chemica l reaction in the inflators quickly
fills the airbags with non-toxic gas to he lp restrain the motion of the occu-
pants. Knee airbags
Front passenger airbag
Curtain shield airbags
Side airbags
Side and curtain shield airbag
sensors
Curtain shield airbag sensors
SRS warning light
Driver airbag
Driver's seat belt buckle switch
Driver's seat position sensor
Airbag sensor assembly
Front airbag sensors

When driving2
81
2-1. Driving procedures ................. 82Driving the vehicle ....................... 82
Starting the engine ...................... 89
Automatic Transmission ............ 92
Manual Transmission .................. 96
Turn signal lever ............................ 98
Parking brake ................................. 99
2-2. Instrument cluster................... 100 Gauges and meters .................. 100
Indicators and warning lights.............................................. 106
Multi-information display........ 109
2-3. Operating the lights and windshield wipers .................. 113
Headlight switch ........................... 113
Fog light switch.............................. 116
Windshield wipers and washer............................................ 117
Headlight cleaner switch ........ 120 2-4. Using other driving
systems ..................................... 121
Cruise control ............................... 121
Dynamic radar cruise control .......................................... 124
Lexus parking assist-sensor .............................. 133
Driving assist systems............... 139
PCS (Pre-Collision System)........................................ 144
2-5. Driving information................ 147 Cargo and luggage.................... 147
Vehicle load limits ...................... 150
Winter driving tips ....................... 151
Trailer towing................................ 156
Dinghy towing (vehicles with an
automatic transmission) ........ 157
Dinghy towing (vehicles with a manual
transmission) ............................. 158

95
2-1. Driving procedures
2
When driving
■Gear position display when driving in S mode
The current gear is displayed on the multi-information display. ( P. 112)
■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. 121, 124)
■SNOW mode automatic deactivation
SNOW mode is automatically deactivated if the engine switch is turned to ACC or
IG-ON mode after driving in SNOW mode.
■If the shift lever cannot be shifted from P
 P. 3 5 7
■If the indicator 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.)

106
2-2. Instrument cluster
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
The units used on the speedometer and the tachometer gauge display may
differ depending on the model/type.

Center panel