2007 Lexus IS250 warning

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1-7. Safety information
Front passenger occupant classification system
Condition and operation in the front passenger occupant classification system
■Adult*1
Indicator/
warning lightAIRBAG ON and AIRBAG OFF indicator lightsAIRBAG ON
SRS warning light Off
Front passenger’s seat belt reminder light
Flashing
*2
DevicesFront passenger airbag
Activated Side airbag on the front
passenger seatCurtain shield airbag in the front passenger side
Front passenger knee airbag
Front passenger’s seat belt pretensioner
Your vehicle is equipped with a front passenger occupant classification sys-
tem. This system detects the conditions of the front passenger seat and
activates or deactivates the devices for front passenger.
SRS warning light
AIRBAG OFF indicator light
AIRBAG ON indicator light
Front passenger’s seat belt reminder light
With navigation system
Without navigation system

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1-7. Safety information
1
Before driving
■Child *3 or child restraint system*4
■Unoccupied
Indicator/
warning lightAIRBAG ON and AIRBAG OFF indicator lightsAIRBAG OFF
SRS warning light
Off
*5
Front passenger’s seat belt reminder light
Flashing*2
DevicesFront passenger airbag
Deactivated
Side airbag on the front
passenger seatCurtain shield airbag in the front passenger sideActivated
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner Activated
Indicator/
warning light
AIRBAG ON and AIRBAG OFF indicator lights Not illuminated
SRS warning light
Off
Front passenger’s seat belt reminder light
DevicesFront passenger airbag
Deactivated
Side airbag on the front
passenger seat
Curtain shield airbag in the front passenger sideActivated
Front passenger knee airbag
Deactivated
Front passenger’s seat belt pretensioner

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1-7. Safety information
■There is a malfunction in the system
*1: The system judges a person of adult size as an adult. When a smaller
adult sits in the front passenger seat, the system may recognize him/
her as a child depending on his/her physique and posture.
*2: In the event the front passenger does not wear a seat belt.
*3: When a larger child who has outgrown a child restraint system sits in
the front passenger seat, the system may recognize him/her as an
adult depending on his/her physique or posture.
*4: Never install a rear-facing child restraint system on the front passen-
ger seat. A forward-facing child restraint system should only be
installed on the front passenger seat when it is unavoidable. (P. 77)
*5: In case indicator is not illuminated, consult this manual as for installing
the child restraint system properly. (P. 8 0 )
Indicator/
warning lightAIRBAG ON and AIRBAG OFF indicator lightsAIRBAG OFF
SRS warning light On
Front passenger’s seat belt reminder light Off
DevicesFront passenger airbag
Deactivated
Side airbag on the front
passenger seat
Curtain shield airbag in the front passenger sideActivated
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner Activated

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1-7. Safety information
CAUTION
■Front passenger occupant classification system precautions
●When it is unavoidable to install the forward-facing child restraint system on the
front passenger seat, install the child restraint system on the front passenger seat
in the proper order. (P. 8 0 )
●Do not modify or remove the front seats.
●Do not kick the front passenger seat or subject it to severe impact. Otherwise,
the SRS warning light may come on to indicate a malfunction of the detection sys-
tem. In this case, contact your Lexus dealer immediately.
●Child restraint systems installed on the rear seat should not contact the front seat-
backs.
●Do not use a seat accessory, such as a cushion or seat cover, that covers the seat
cushion surface.
●Do not modify or replace the upholstery of the front seat.

When driving2
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2-1. Driving procedures ................. 90
Driving the vehicle ....................... 90
Starting the engine ...................... 98
Automatic Transmission ........... 101
Manual Transmission ................ 105
Turn signal lever .......................... 107
Parking brake ............................... 108
2-2. Instrument cluster................... 109
Gauges and meters .................. 109
Indicators and warning
lights................................................ 115
Multi-information display ......... 118
2-3. Operating the lights and
windshield wipers ................. 122
Headlight switch ......................... 122
Fog light switch............................ 125
Windshield wipers and
washer.......................................... 126
Headlight cleaner switch ........ 1292-4. Using other driving
systems .................................... 130
Cruise control ............................. 130
Dynamic radar cruise
control ......................................... 133
Lexus parking
assist-sensor............................... 142
Driving assist systems............... 148
PCS (Pre-Collision
System)........................................ 154
2-5. Driving information................ 157
Cargo and luggage.................... 157
Vehicle load limits ...................... 160
Winter driving tips ....................... 161
Trailer towing................................ 165
Dinghy towing
(vehicles with an
automatic transmission) ....... 166
Dinghy towing
(vehicles with a manual
transmission) .............................. 167

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2-1. Driving procedures
■Gear position display when driving in S mode
The current gear is displayed on the multi-information display. (P. 1 2 1 )
■Downshifting restrictions warning buzzer (in the S mode)
To help ensure safety and driving performance, 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. 130, 133)
■SNOW mode automatic deactivation
SNOW mode is automatically deactivated if the engine switch is turned off after
driving in SNOW mode.
■If the shift lever cannot be shifted from P
P. 3 6 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 the 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
2
When driving
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

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2-2. Instrument cluster
2
When driving
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as ABS and the SRS airbag warning light not
come on when you start the engine, this could mean that these systems are not
available to help protect you in an accident, which could result in death or serious
injury. Have the vehicle inspected by your Lexus dealer immediately if this occurs.
■Warning lights
Warning lights inform the driver of malfunctions in any of the vehi-
cle’s systems. (P. 3 3 9 )
*: These lights turn on when the engine switch is turned to IG-ON mode
to indicate that a system check is being performed. They will turn off
after the engine is started, or after a few seconds. There may be a mal-
function in a system if a light does not come on, or if the lights do not turn
off. Have the vehicle inspected by your Lexus dealer.
(U.S.A.)(Canada)(Canada)(U.S.A.)
(Canada)(U.S.A.)(if equipped)
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