4638-2. Steps to take in an emergency
8
When trouble arises
IS350/250_U (OM53758U)
Indicates that one or more of the doors is not fully closed
The system also indicates which doors are not fully
closed.
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the door(s) are not yet fully closed.
Make sure that all the doors are closed.
Indicates that the hood is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the hood is not yet fully closed.
Close the hood.
Indicates that the trunk is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the trunk is not yet fully closed.
Close the trunk.
(If equipped)
Indicates a malfunction in the intuitive parking assist-sen-
sor The assist-sensors flash.
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that an intuitive par king assist sensor is dirty or
covered with ice
A buzzer also sounds.
Clean the sensor.
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Wa r n i n g m e s s a g eDetails/Actions
4648-2. Steps to take in an emergency
IS350/250_U (OM53758U)
Indicates that the vehicle is being driven at 3 mph (5 km/
h) or more with the parking brake still engaged. A buzzer also sounds.
Release the parking brake.
Indicates that the shift lever was used to attempt to shift
to the first gear position in M mode on a slippery road
surface
The gear position will not sh ift from the second gear.
A buzzer also sounds.
Drive the vehicle in the second or a higher gear
position.
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates that the engine coolant temperature is too high
A buzzer also sounds.
P. 4 9 4
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.
Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distance
A buzzer also sounds.
Tu r n o f f s n o w m o d e .
If the windshield wipers are on, turn them off or set
them to a mode other than AUTO or high speed
wiper operation.
Wa r n i n g m e s s a g eDetails/Actions
(U.S.A.) (Canada) (Flashes)
(U.S.A.) (Canada)
4848-2. Steps to take in an emergency
IS350/250_U (OM53758U)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, ab rupt steering, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
•AWD system
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden brak-
ing.
NOTICE
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact your Lexus dealer as the tire pressure warning valve and transmitter
may be damaged if not handled correctly.
• ABS & Brake assist
•VSC
•TRAC
• Cruise control (if equipped)
• Dynamic radar cruise control
(if equipped)
• PCS (if equipped)
•EPS • Adaptive Variable Suspension System
(if equipped)
• LDA (Lane Departure Alert)
(if equipped)
• VGRS (if equipped)
• Rear view monitor system (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
5319-2. Customization
9
Vehicle specifications
IS350/250_U (OM53758U)
■Lights (P. 1 7 3 )
*: U.S.A. only
■Intuitive parking assist*1 ( P. 2 1 4 )
*1: If equipped
*2: When intuitive parking assist is operating.
■Automatic air conditioning system ( P. 3 4 6 )
FunctionDefault settingCustomized setting
Daytime running light sys-
tem*OnOffO—O
123
FunctionDefault settingCustomized setting
Detection distance of the
front center sensorFarNearO—O
Detection distance of the
rear center sensorFarNearO—O
Buzzer volume31 to 5O—O
Display setting*2All sensors dis-
playedDisplay offO—O
123
FunctionDefault settingCustomized setting
A/C Auto switch operationOnOffO—O
123
547
Index
IS350/250_U (OM53758U)
What to do if... (Troubleshooting)................................548
Alphabetical index................................. 552
For vehicles with a navigation system, refer to the “Navigation
System Owner’s Manual” for information regarding the equipment
listed below.
• Navigation system
• Audio/video system • Intuitive parking assist
• Rear view monitor system
554Alphabetical index
IS350/250_U (OM53758U)
Back-up lightsReplacing light bulbs ......................... 441
Wattage ................................................. 509
Battery.......................................................408 Battery checking ............................... 408
If the vehicle battery is discharged.................................... 490
Preparing and checking before winter ....................................................254
Warning light ...................................... 455
Bluetooth
®
Audio system ...................................... 309
Hands-free system (for cellular phone) ........................... 311
Bottle holders ......................................... 360
Brake Fluid...........................................................407
Parking brake......................................... 172
Warning light ...................................... 455
Brake assist ............................................. 234
Break-in tips.............................................. 147
Brightness control Instrument panel light control .........84
BSM (Blind Spot Monitor)................ 246 Care................................................384, 387
Aluminum wheels ..............................384
Exterior ...................................................384
Interior ..................................................... 387
Seat belts............................................... 388
Cargo capacity ....................................... 156
Cargo hooks ...........................................362
CD player.................................................287
Chains ....................................................... 255
Child restraint system ............................54 Booster seats, definition .................... 55
Booster seats, installation ................. 64
Convertible seats, definition ........... 55
Convertible seats, installation........... 61
Front passenger occupant classification system..........................47
Infant seats, definition.......................... 55
Infant seats, installation......................... 61
Installing CRS with LATCH anchors ..................... 59
Installing CRS with seat belts ........... 61
Installing CRS with top tether strap......................... 65
BC
560Alphabetical index
IS350/250_U (OM53758U)
I/M test ..................................................... 396
IdentificationEngine ....................................................... 501
Vehicle ..................................................... 501
Ignition switch (engine switch)......... 159
Illuminated entry system .................... 357
Immobilizer system................................. 69
Indicators .................................................... 78
Initialization Maintenance.......................................... 391
Moon roof ...............................................142
Multi-information display ................. 88
Power windows ................................... 138
Tire pressure warning system..................................412
Initiators (tire pressure warning system).................................. 418
Inside door handle lights ................... 356
Inside rear view mirror .........................132
Instrument panel light control ............ 84
Interior lights........................................... 357 Wattage ................................................. 509
Intuitive parking assist........................... 214
Jack Positioning a floor jack ................... 400
Vehicle-equipped jack ................... 476
Jack handle .................................................. 476
Jam protection function Moon roof ................................................ 141
Power windows ................................... 138 Keyless entry
Smart access system with push-button start.........103, 109
Wireless remote control.......103, 109
Keys .............................................................. 98 Battery-saving function ..................... 115
Electronic key ......................................... 98
Engine switch ........................................159
If the electronic key does not operate properly ....... 488
Key number plate ................................. 98
Keyless entry ........................................... 98
Mechanical key...................................... 99
Replacing the battery .......................427
Warning buzzer...................................104
Wireless remote control................... 98
Knee airbags ..............................................36
I
J
K
563Alphabetical index
IS350/250_U (OM53758U)
Odometer ....................................................81
OilEngine oil............................................... 502
Front differential oil........................... 505
Rear differential oil ............................ 505
Opener Hood ....................................................... 399
Trunk ......................................................... 109
Outer foot lights Location ................................................. 356
Replacing light bulbs ........................ 442
Wattage ................................................. 509
Outside rear view mirrors ..................134 Adjusting and folding........................ 134
Blind spot monitor.............................246
Linked mirror function when reversing ................................. 135
Mirror position memory ...................123
Outside rear view mirror defoggers ........................... 350
Outside temperature...............................81
Overheating, Engine .......................... 494 Paddle shift switches............................. 166
Parking assist sensors
(intuitive parking assist).................... 214
Parking brake .......................................... 172
Parking lights ........................................... 173 Light switch............................................. 173
Replacing light bulbs ....................... 442
PCS (Pre-Collision System)............ 240 Function .................................................. 240
PCS OFF switch .................................. 241
Warning light ....................................... 456
Personal lights ........................................357 Wattage ................................................ 509
Pop-up display ......................................... 88
Power easy access system ................. 124
Power outlet ........................................... 366
Power steering (Electric power steering system) ................................ 235 Warning light .......................................455
Power windows....................................... 137 Door lock linked window operation ...........................139
Jam protection function................... 138
Operation................................................ 137
Window lock switch .......................... 137
Pre-Collision System (PCS)............ 240 Function .................................................. 240
PCS OFF switch .................................. 241
Warning light ....................................... 456
OP
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.