4798-2. Steps to take in an emergency
8
When trouble arises
IS350/250_U (OM53C50U)
Indicates a malfunction in the tire pressure warning sys-
tem
Stop the vehicle in a safe place and turn the engine
switch off then on again.
If the tire pressure warning indicator flashes for 1
minute then illuminates, there is a malfunction in the
system. Have the vehicle inspected at your Lexus
dealer.
Indicates that the tire position information cannot be rec-
ognized
Drive for a short while an d check if the display
updates.
If the radio wave conditions improve, the display
may return to normal. If th e tire pressure is still not
displayed after driving for several minutes, stop the
vehicle in a safe place, turn the engine switch off
then on again, and start driving.
If the tire pressure is still not displayed even after
repeating this process several times, have the vehi-
cle inspected at your Lexus dealer.
Indicates that the wash er fluid level is low
Add washer fluid.
Indicates that remaining fuel is approximately 2.6 gal.
(10 L, 2.2 Imp. gal.) or less
Refuel the vehicle.
Indicates that the TRAC (Tra ction Control) system has
been deactivated
Tu r n t h e T R A C o n . ( P. 2 4 2 )
(U.S.A. only)
Indicates that all maintenance according to the driven
distance on the maintenance schedule
* should be per-
formed soon.
Comes on approximately 4500 miles (7200 km) after
the maintenance data has been reset.
If necessary, perform maintenance.
Wa r n i n g m e s s a g eDetails/Actions
4808-2. Steps to take in an emergency
IS350/250_U (OM53C50U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle.
(U.S.A. only)
Indicates that all maintenance is required to correspond
to the driven distance on the maintenance schedule*.
Comes on approximately 5000 miles (8000 km) after
the maintenance data has been reset.
(The indicator will not work properly unless the mainte-
nance data has been reset.)
Perform the necessary maintenance. Please reset
the maintenance data afte r the maintenance is per-
formed ( P. 4 0 3 )
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Automatic
High Beam switch again.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision brake system
operation is stopped
Turn the VSC on. ( P. 2 4 2 )
(If equipped)
Indicates that the PCS (Pre-Collision System) is not cur-
rently functional because the grille cover or the sensor is
dirty
Check the grille cover and the sensor and clean
them if they are dirty.
Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
Stop using unnecessary electric components to
reduce electricity consumption. Wait a while until
the electric power supply is restored.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system
cannot be used because the vehicle speed is lower than
approximately 32 mph (50 km/h)
Drive the vehicle at 32 mph (50 km/h) or higher.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
4818-2. Steps to take in an emergency
8
When trouble arises
IS350/250_U (OM53C50U)
■Wa r n i n g m e s s a g e s
The warning message illustrations used are intended as examples, and may differ from
the image that is actua lly displayed on the multi-information display.
■Warning message in radar cruise mode (if equipped)
In the following situations, the warning messag e may not be displayed even if vehicle-to-
vehicle distance decreases:
●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
■The LDA (Lane Departure Alert) lane departure warning function (if equipped)
In the following situations, the warning messag e will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LDA system func-
tions
●When the lane lines cannot be recognized
■Reset the maintenance data (U.S.A. only)
Make sure to reset the oil change system. ( P. 4 0 3 )
■Conditions that the tire pressure warning system may not function properly
P. 4 2 8
■Warning buzzer
P. 4 6 9
5389-2. Customization
IS350/250_U (OM53C50U)
Some function settings are changed simultaneously with other functions being
customized. Contact your Lexus dealer for further details. Settings that can be changed using the Remote Touch or Lexus Display Audio
controller
Settings that can be changed using the meter control switches
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, — = Not available
■Gauges, meters and multi-information display ( P. 76, 81, 86)
Customizable features
1
2
3
Function*1Default settingCustomized setting
LanguageEnglishFrenchOO—Spanish
Units*2miles (MPG US)
km (km/L)
—O—km (L/100 km)
miles (MPG Impe-
rial)
Maintenance system initial-
izationOFFON—O—
Eco Driving Indicator LightON (Self-lighting)OFF—O—
switch settings *3Drive information 1Desired status screen*4—O—
Drive information 1
Current fuel econ-
omy
*5—O—Average fuel econ-omy (after reset)
Drive information 2
Distance (range)
*5—O—Average speed (after reset)
Po p - u p d i s p l a yONOFF—O—
Accent color*3BlueRedOO—
Needle*6BlueRed—O—White
Speed indicator*6OFF30 to 100 mph (50
to 160 km/h)—O—
123
5399-2. Customization
9
Vehicle specifications
IS350/250_U (OM53C50U)
*1: For details about each function: P. 8 8
*2: The default setting varies according to country.
*3:Except F SPORT models
*4: Some status screens cannot be registered (indicated on multi-information display).
*5: 2 of the following items: current fuel consumption, average fuel economy (after reset),
average fuel economy (after refuel), average fuel economy (after start), average vehi-
cle speed (after reset), average vehicle speed (after start), distance (driving range),
distance (after start), elapsed time (after reset), elapsed time (after start), blank.
*6:F SPORT models
■Door lock ( P. 103, 109, 499)
REV indicator*65000 rpm
2000 to 6600
rpm
—O—
OFF
REV peak*6ONOFF—O—
Function*1Default settingCustomized setting123
FunctionDefault settingCustomized setting
Unlocking using a mechani-
cal key
Driver’s door
unlocked in one step, all doors
unlocked in two
steps
All doors unlocked in one step——O
Automatic door lock
Shifting the shift
lever to position other than P
Off
O—OVehicle speed is
approximately 12
mph (20 km/h) or
higher
Automatic door unlockShifting the shift lever to POff
O—ODriver’s door is opened
Locking/unlocking of the
trunk when all doors are
locked/unlockedOnOff——O
123
576Alphabetical index
IS350/250_U (OM53C50U)
Radar cruise control (dynamic radar cruise control) ..........................196
Radiator ..................................................... 418
Radio.......................................................... 289
Rear personal lights............................. 369 Wattage ................................................... 521
Rear seats ................................................... 121 Fold down the seatback .................... 121
Luggage security system .................. 110
Rear sunshade ....................................... 379 Operation ..............................................379
Reverse operation feature.............379
Rear turn signal lights ...........................170 Replacing light bulbs ........................449
Turn signal lever .................................. 170
Wattage ................................................... 521
Rear view mirror Inside rear view mirror ..................... 133
Outside rear view mirrors .............. 135 Rear window defoggers .....................362
Refueling................................................... 188
Capacity...................................................514
Fuel types.................................................514
If the fuel filler door cannot be opened .......................... 190
Opening the fuel tank cap ............. 190
Remote Touch
*
Replacing Electronic key battery ..................... 439
Fuses .......................................................... 441
Light bulbs............................................. 444
Tires ..........................................................486
Reporting safety defects for U.S. owners .................................. 548
Reset the maintenance data ............ 403
Rev indicator ............................................. 88
Rev peak ..................................................... 88
R
579Alphabetical index
IS350/250_U (OM53C50U)
Sun shadeRear...........................................................379
Roof.............................................................142 switch settings ................................... 88
Switches Audio remote control switches ................................................. 271
BSM (Blind Spot Monitor) switch...................................................... 271
Cruise control switch........................ 192
Door lock switches ............................ 105
Driving mode select switch .......... 237
Driving position memory switches .................................................123
Dynamic radar cruise control switch .................................... 196
Emergency flashers switch .......... 456
Engine switch ........................................ 159
Fog light switch ...................................... 181
Garage door opener switches .............................................. 382
Heated steering wheel switch................................................... 366
Ignition switch ....................................... 159
Intuitive parking assist ........................214
LDA (Lane Departure Alert) switch................................................... 209
Light switches ........................................173
Meter control switches ...................... 87 Moon roof switches .............................141
Outside rear view mirror
switches ................................................135
Paddle shift switches..........................166
PCS OFF switch .................................247
Power door lock switch .................. 105
Power window switches ................. 138
Rear sunshade switch ..................... 379
Rear window and outside rear view mirror defoggers
switch ................................................... 362
Seat heater switches ........................ 367
Seat ventilator switches .................. 367
Snow mode switch .............................165
Steering wheel switch ........................ 87
“SOS” button .......................................390
Talk switch............................................. 329
Telephone switches.......................... 329
Tilt and telescopic steering control switch ....................131
Tire pressure warning reset switch ................................................... 425
Trunk opener switch ......................... 109
Trunk opener main switch ............... 110
Vehicle-to-vehicle distance button .....................................................199
VSC OFF switch ............................... 242
Window lock switch ......................... 138
Windshield wipers and washer switch ...........................182
580Alphabetical index
IS350/250_U (OM53C50U)
Tachometer .................................................81
Tail lights..................................................... 173Light switch .............................................173
Replacing light bulbs ........................452
Talk switch
*............................................ 329
Telephone switches
*.......................... 329
Theft deterrent system Alarm............................................................. 71
Engine immobilizer system..............69
Luggage security system .................. 110
Theft prevention labels ....................... 73
Tire inflation pressure ......................... 432 Maintenance data ............................... 519
Tire inflation pressure display function ................................................ 424
Warning light ...................................... 468
Tire information ..................................... 525 Glossary .................................................532
Size ........................................................... 528
Tire identification number.............. 527
Uniform Tire Quality Grading.............................................. 530 Tire pressure warning system ..........424
Function .................................................. 424
Initializing ............................................... 424
Installing tire pressure warning valves and transmitters................ 424
Registering ID codes ....................... 426
Tire pressure warning reset switch ................................................... 425
Warning light .......................................468
Tires ............................................................423 Chains ....................................................... 261
Checking ............................................... 423
If you have a flat tire ..........................486
Inflation pressure..................................519
Information............................................ 525
Replacing ...............................................486
Rotating tires ........................................ 423
Size .............................................................519
Snow tires .............................................. 262
Spare tire................................................486
Tire inflation pressure display function................................................ 424
Tire pressure warning system ..... 424
Warning light .......................................468
T