warning lights Lexus IS F 2012 Owner's Manual

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IS F_U
2-1. Driving proceduresDriving the vehicle ........................ 126
Engine (ignition) switch .............. 134
Automatic transmission.............. 138
Turn signal lever ............................ 147
Parking brake ................................. 148
Horn.................................................... 149
2-2. Instrument cluster Gauges and meters ..................... 150
Indicators and warning lights................................................. 154
Multi-information display........... 157
2-3. Operating the lights and windshield wipers
Headlight switch ............................ 162
Fog light switch .............................. 166
Windshield wipers and washer............................................. 168
Headlight cleaner switch ............ 172
2-4. Using other driving systems Cruise control ................................ 173
Dynamic radar cruise control.............................................. 177
Intuitive parking assist ................... 191
Driving assist systems.................. 197
PCS (Pre-Collision System) .......... 203 2-5. Driving information
Cargo and luggage ...................... 210
Vehicle load limits......................... 213
Winter driving tips ........................ 214
Trailer towing .................................. 216
Dinghy towing ................................. 217
3-1. Using the air conditioning system and defogger
Automatic air conditioning system ............................................ 220
Rear window and outside rear view
mirror defoggers ....................... 228
Windshield wiper de-icer ......... 229
3-2. Using the audio system Audio system type ....................... 230
Using the radio.............................. 233
Using the CD player.................... 241
Playing back MP3 and WMA discs.................................. 248
Operating an iPod....................... 256
Operating a USB memory....... 264
Optimal use of the audio system ............................................ 273
Using the AUX port ................... 275
Using the steering wheel audio switches ............................ 277
2When driving
3Interior features

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1-7. Safety information
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Before driving
IS F_U
Airbag system componentsYour vehicle is equipped with ADVANCED AIRBAGS designed based
on US motor vehicle safety standards (FMVSS208). The airbag system
controls airbag deployment power for the driver and front passenger. The
driver airbag system consists of the driver seat’s position sensor etc. The
front passenger’s airbag system consists of the front passenger occupant
classification sensor etc.
The main SRS airbag system components are shown above. The SRS
airbag system is controlled by the airbag sensor assembly. The airbag
sensor assembly consists of a safing sensor and an airbag sensor. Knee airbags
Front passenger airbag
Curtain shield airbags
“AIR BAG ON” and “AIR BAG
OFF” indicator lights
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
Front passenger’s seat belt
buckle switch
Airbag sensor assembly
Front passenger occupant
classification system
(ECU and sensors)
Front airbag sensors

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1-7. Safety information
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Before driving
IS F_U
Condition and operation in the front passenger occupant classification system
■Adult*1
■Child *3 or child restraint system*4
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF” indi-
cator lights “A I R B A G
ON”
SRS warning light Off
Front passenger’s seat belt reminder light Flashing
*2
DevicesFront passenger airbag
Activated
Side airbag on the front
passenger seat
Front passenger knee airbag
Curtain shield airbag in the front passenger side
Front passenger’s seat belt pretensioner
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF” indi-
cator lights “A I R B A G
OFF”
*5
SRS warning light Off
Front passenger’s seat belt reminder light Flashing
*2
DevicesFront passenger airbag
Deactivated
Side airbag on the front
passenger seat
Front passenger knee airbag
Curtain shield airbag in the front passenger sideActivated
Front passenger’s seat belt pretensioner

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1-7. Safety information
IS F_U■
Unoccupied
■ 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.
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF” indi-
cator lightsNot illuminated
SRS warning light Off
Front passenger’s seat belt reminder light
Devices Front passenger airbag
Deactivated
Side airbag on the front
passenger seat
Front passenger knee airbag
Curtain shield airbag in the front passenger sideActivated
Front passenger’s seat belt pretensioner Deactivated
Indicator/
warning light “AIR BAG ON” and “AIR BAG OFF” indi-
cator lights “A I R B A G
OFF”
SRS warning light On
Front passenger’s seat belt reminder light Off
Devices Front passenger airbag
Deactivated
Side airbag on the front
passenger seat
Front passenger knee airbag
Curtain shield airbag in the front passenger sideActivated
Front passenger’s seat belt pretensioner

When driving2
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IS F_U
2-1. Driving proceduresDriving the vehicle.................. 126
Engine (ignition) switch ......... 134
Automatic transmission ........ 138
Turn signal lever ....................... 147
Parking brake ........................... 148
Horn ............................................ 149
2-2. Instrument cluster Gauges and meters ................ 150
Indicators and warning lights ......................................... 154
Multi-information display ..... 157
2-3. Operating the lights and windshield wipers
Headlight switch...................... 162
Fog light switch ........................ 166
Windshield wipers and washer ..................................... 168
Headlight cleaner switch...... 172 2-4. Using other driving
systems
Cruise control.......................... 173
Dynamic radar cruise control ...................................... 177
Intuitive parking assist ............ 191
Driving assist systems ............. 197
PCS (Pre-Collision System) ...... 203
2-5. Driving information Cargo and luggage ................ 210
Vehicle load limits ................... 213
Winter driving tips .................. 214
Trailer towing ........................... 216
Dinghy towing.......................... 217

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2-2. Instrument cluster
IS F_U
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
IS F_U
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS 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. 463)
*: These lights turn on when the “ENGINE START STOP” switch is turned
to IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the engine is started, or after a few sec-
onds. There may be a malfunction 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)(for
driver)(for front
passenger)
******
******
*

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2-4. Using other driving systems
IS F_U
■Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following situations:
●Actual vehicle speed is more than approximately 10 mph (16 km/h) below the
set vehicle speed.
At this time, the memorized set speed is not retained.
●Vehicle speed falls below approximately 25 mph (40 km/h).
●VSC is activated.
■Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle
distance control operates properly. (Some obstructions, such as snow, ice and plas-
tic objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.
■Warning lights, messages and buzzers for dynamic radar cruise control
Warning lights, messages and buzzers are used to indicate a system malfunction or
to inform the driver of the need for caution while driving. (→P. 4 7 3 )
Grille cover
Radar sensor

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2-4. Using other driving systems
IS F_U
●When an extreme change in vehicle height occurs
●When the axis of the radar is out of adjustment
●When passing through certain toll gates
●When driving on a bridge.
When the system is activated in the situations described above there is also a possi-
bility that the seat belts will retract quickly and the brakes will be applied with a force
greater than normal. When the seat belt is locked in the retracted position, stop the
vehicle in a safe place, release the seat belt and refasten.
■When there is a malfunction in the system
Warning lights and/or warning messages will turn on or flash. ( →P. 463, 473)
■Situations in which the pre-collision system does not function properly
The system may not function effectively in situations such as the following:
●On roads with sharp bends or uneven surfaces
●If a vehicle suddenly moves in front of your vehicle, such as at an intersection
●If a vehicle suddenly cuts in front of your vehicle, such as when overtaking
●In inclement weather such as heavy rain, fog, snow or sand storms
●When your vehicle is skidding with the VSC system off
●When an extreme change in vehicle height occurs
●When the axis of the radar is out of adjustment
■Automatic cancelation of the pre-collision system
When a malfunction occurs due to sensor contamination, etc. that results in the
sensors being unable to detect obstacles, the pre-collision system will be automati-
cally disabled. In this case, the system will not activate even if there is a collision pos-
sibility.

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4-3. Do-it-yourself maintenance
IS F_U■
Driver’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT LH30 APo w e r s e a t
2A/C7. 5 AAir conditioning system
3MIR HTR15 AOutside rear view mirror defoggers
4TV NO. 110 ADisplay
5FUEL OPEN10 AFuel filler door opener
6TV NO. 27. 5 A
7PSB30 APre-collision seat belt
8S/ROOF25 AMoon roof
9TA I L10 ATail lights, license plate lights, rear side
marker lights
10PA N E L7. 5 A
Switch illumination, air conditioning
system, display, cigarette lighter illumi-
nation, shift lever light, instrument
panel lights
11RR FOG7. 5 A
12ECU-IG LH10 A
Cruise control, air conditioning sys-
tem, electric power steering, shift lock
system, moon roof, tire inflation pres-
sure warning system