display Lexus IS250C 2010 Do-It-Yourself Maintenance / LEXUS 2010 IS350C IS250C OWNERS MANUAL (OM53A24U)

5
When trouble arises
479
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.A buzzer sounds and a message is show n. Failure to investigate the cause
of the following messages may lead to the system operating abnormally
and possibly cause an accident. Have the vehicle inspected by your
Lexus dealer immediately.
MessageDetails
(Flashing)
Indicates a malfunction in the steering lock system.
(If equipped)
Indicates a malfunction in the pre-collision system.
(If equipped)
Indicates intuitive parking assist malfunction.
The malfunctioning assist-sensor is shown flashing on
the display.

5
When trouble arises
483
5-2. Steps to take in an emergency
•The roof switch was operated when there
was an obstacle behind
the vehicle.
• Operation of the retractable hardtop was
suspended due to an
obstacle being detected
behind the vehicle.
When the roof switch is
pressed again within two
seconds of message
being displayed, message will be displayed.
( P. 8 1 )
The roof switch was
pressed while the trunk lid
was open.
Close the trunk lid.
The roof switch was
pressed while the trunk lid
opener main switch was
turned off.
Turn the trunk lid opener
main switch on. ( P. 4 7 )
The roof switch was
pressed while the vehicle
was moving.
( P. 8 1 )
The roof switch was
pressed while there was
not enough power.
Start the engine
MessageDetailsCorrection procedure

5
When trouble arises
487
5-2. Steps to take in an emergency
■Changing the engine oil (U.S.A. only)
Make sure to reset the oil change system. (P. 4 0 1 )
■Warning light display in radar cruise mode
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance closes.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed

5
When trouble arises
489
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerMessageDetailsCorrection
procedure
Once3 times
(Vehicles with an auto- matic transmission)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed with the
shift lever in P, the
“ENGINE START
STOP” switch in
any mode other
than OFF and the
electronic key
outside of the
detection area.
Tu r n t h e
“ENGINE START
STOP” switch
OFF or confirm
the location of the
electronic key.
OnceCon-
tinuous
(Displayed alternately)
(Vehicles with an auto-matic transmission)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed (with the
shift lever out of in
P, the “ENGINE
START STOP”
switch in any
mode other than
OFF and the elec-
tronic key outside
of the detection
area).
• Shift the shift lever to P.
•Confirm the
location of the
electronic key.
Once
(Flashing)
Indicates that the
key battery is low.Replace the bat-
tery. ( P. 4 3 1 )

567
6-2. Customization
6
Vehicle specifications
Pow e r w i n -
dows
(
P. 7 8 )
Wireless remote control
linked operationOnOff
Retractable
hardtop
(
P. 8 5 )
Retractable hardtop
operation control linked
to the intuitive parking
assist
OnOff
Automatic
light control
system
(
P. 1 74 )
Light sensor sensitivityLevel 3Level 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds
0 seconds
60 seconds
90 seconds
Lights
(
P. 1 7 5 )
Daytime running light sys-
tem (U.S.A. only)OnOff
Windshield
wipers and
washer
(
P. 1 7 8 )
Switching operation when
the vehicle is stationaryOnOff
Drip prevention functionOnOff
Time elapsed before the
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds
Intuitive park-
ing assist
(
P. 1 9 8 )
Back sensor operation
display and buzzerOnOff
Buzzer volumeLevel 3Level 1 to 5
Distance which a sensor
detects4.9 ft. (150 cm)2.0 ft. (60 cm)
ItemFunctionDefault settingCustomizedsetting

568
6-2. Customization
Multi-information display (P. 169)
Illumination
(
P. 3 3 8 )
Time elapsed before lights
turn off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlockedOnOff
Operation after the
“ENGINE START STOP”
switch is turned OFF
OnOff
Front foot well lightsOnOff
Shift lever lightOnOff
Outer foot lightOnOff
Available languageEnglish and French
ItemFunctionDefault settingCustomized
setting

578
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
ABSAnti-lock Brake System
AFSAdaptive Front-lighting System
AI-SHIFTArtificial Intelligence Shift
ALRAutomatic Locking Retractor
CRSChild Restraint System
DISPDisplay
ECTElectronic Controlled Transmission
ECUElectronic Control Unit
EDREvent Data Recorder
ELREmergency Locking Retractor
EPSElectric Power Steering
ETCSElectronic Throttle Control System
GAWRGross Axle Weight Rating
I/MEmission inspection and maintenance
LATCHLower Anchors and Tethers for Children
LEDLight Emitting Diode
MMTMethylcyclopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
OBDOn Board Diagnostics
PCSPre-Collision System
SRSSupplemental Restraint System
TINTire Identification Number
TPMSTire Pressure Warning System
TRACTraction Control

582
Alphabetical index
Cruise controlCruise control ...................................... 184
Dynamic radar cruise control .......187
Cup holder ..............................................343
Customizable features .......................564
Daytime running light system ........... 175
Defogger Rear window ........................................ 238
Side mirror ............................................ 238
Dimension ................................................532
Dinghy towing .............................225, 226
Display Dynamic radar cruise control .......187
Satellite switch mode ....................... 349
Trip information ....................................170
Warning message............................. 478
Do-it-yourself maintenance .............392
Door courtesy lights Door courtesy lights.........................338
Wattage.................................................. 547
Doors Door lock................................ 28, 40, 43
Door windows ....................................... 78
Side mirrors ............................................. 75
Driver's seat belt reminder light .......471
Driving Correct posture .................................... 98
Procedures ............................................. 132
Driving position memory ...................... 56 Electric power steering...................... 204
Electronic key
If the electronic key does not operate properly............................ 507
Emergency, in case of If the engine will not start ............... 503
If the retractable hardtop does not close ................................. 520
If the shift lever cannot be shifted from P...................................505
If the vehicle has a discharged battery ................................................... 512
If the warning buzzer sounds...... 469
If the warning light turns on.......... 469
If the warning message is displayed ............................................ 478
If you have a flat tire .........................492
If you lose your keys ........................506
If you think something is wrong .................................................. 465
If the electronic key does not operate properly............................ 507
If your vehicle becomes stuck ......518
If your vehicle has to be stopped in an emergency ......... 530
If your vehicle needs to be towed ................................................... 459
If your vehicle overheats.................. 515
Emergency flashers Switch ...................................................... 458
D
E

585
Alphabetical index
Light bulbsReplacing............................................... 450
Wattage ................................................. 547
Lights Door courtesy lights ........................ 338
Emergency flasher switch ............. 458
Fog light switch......................................177
Hazard light switch........................... 458
Headlights switch ................................ 174
Interior light switch............................ 339
Outer foot lights................................. 338
Personal light switch ........................ 339
Replacing light bulbs ....................... 450
Scuff lights ............................................. 338
Shift lever light ..................................... 338
Turn signal lever...................................156
Vanity lights ...........................................347
Wattage ................................................. 547
Load capacity .......................................... 219
Maintenance Do-it-yourself maintenance ......... 392
General maintenance .....................388
Maintenance data ............................. 532
Maintenance requirements .......... 386
Manual transmission ............................. 154
Meter Instrument panel light control .........161
Meters .......................................................160
Micro dust and pollen filter ...............234
Mirrors Inside rear view mirror ....................... 74
Side mirror heater ............................. 238
Side mirrors..............................................75
Vanity mirrors ......................................347
MP3 disc ..................................................257 Multi-information display ................... 169
Noise from under vehicle...................... 19
Odometer................................................. 160
Oil
Engine oil................................................. 401
Opener Fuel filler door .........................................90
Hood ....................................................... 395
Trunk ........................................................... 47
Outer foot lights Outer foot lights ................................ 338
Wattage .................................................. 547
Outside rear view mirrors Adjusting and folding.......................... 75
Mirror position memory ....................56
Outside temperature display ........... 170
Overheating, Engine............................ 515L
M
N
O

591
What to do if...
A warning light or indicator
light comes onP. 4 6 9If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or or
P. 4 6 9P. 4 7 0
P. 4 7 1
or
P. 4 7 0P. 4 7 1
P. 4 7 1P. 4 7 1
P. 4 7 0P. 4 7 0
P. 4 7 1P. 4 7 0
P. 4 6 9P. 4 7 1
Brake system warning lightMalfunction indicator lamp
“ABS” warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
Low fuel level warning lightMaster warning light
SRS warning lightElectric power steering warning
light
Open door warning lightPre-collision system warn-
ing light
Charging system warning
lightTire pressure warning light
A warning message is displayedP. 4 7 8If a warning message is displayed