park assist Lexus IS250 2010 Using The Air Conditioning System And Defogger / LEXUS 2010 IS350 IS250 (OM53A23U) User Guide

343
3-7. Other interior features
3
Interior features
Change the settings.
Press the “ON/OFF” button to
change the settings (e.g. on/off).
■Items that can be set using the satellite switches
STEP3
Intuitive parking assist (P. 190) on/off (if
equipped)
Tire pressure warning system initialization
(P. 4 1 6 )
ID code selection for the tire pressure warning
system (P. 4 1 8 )
AFS (Adaptive Front-lighting System) (P. 166)
on/off (if equipped)
Vehicle speed indicator on/off and speed setting
(P. 153)
Tacho indicator on/off and engine speed (rpm)
setting (P. 153)

344
3-7. Other interior features
■Changing the settings
Each item is displayed and its setting can be changed only in the following condi-
tions:
●Intuitive parking assist: When the “ENGINE START STOP” switch is in IGNI-
TION ON mode.
●Items other than the above: When the “ENGINE START STOP” switch is in
IGNITION ON mode and the vehicle is stopped.
■Display
The display will return to the original display if the satellite switches are not oper-
ated for an extended period.
Even if the display is in satellite switch mode, it will switch in the event of a warning
or when the radar cruise control (if equipped) is used. If this occurs, press any of the
satellite switches or “DISP” switch on the steering wheel to return the display to sat-
ellite switch mode.

446
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
14RR DOOR LH20 APo w e r w i n d o w s
15FR DOOR LH20 APo w e r w i n d o w s
16SECURITY7. 5 ASmart access system with push-button
start
17H-LP LVL7. 5 AAFS
18LH-IG10 A
Charging system, headlight cleaner,
rear window defogger, electric cool-
ing fans, emergency flashers, turn sig-
nal lights, back-up lights, stop lights,
mirror heaters, sun shade, seat belts,
intuitive parking assist, cruise control,
air conditioning system, PTC heater
19FR WIP30 AWindshield wipers

448
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
13FR DOOR RH20 APower windows, outside rear view
mirrors
14AM27. 5 ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, intuitive parking assist,
automatic transmission, seat heater
and ventilator
16FR S/HTR RH15 ASeat heaters and ventilators
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, AWD system, out-
side rear view mirrors, VDIM, air con-
ditioning system, pre-collision seat
belt, electric tilt and telescopic steer-
ing, power windows, navigation sys-
tem
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (P. 4 5 2 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

462
5-1. Essential information
■Emergency towing procedure
Release the parking brake.
Shift the shift lever to N.
Put the “ENGINE START STOP” switch in ACCESSORY mode or IGNI-
TION ON mode.
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelets and the cables or chains. Always use caution for
the surroundings and other vehicles while towing.
●If the engine is not running, the power assist for the brakes and steering will not
function, making steering and braking more difficult.
NOTICE
■To prevent causing serious damage to the transmission
(vehicles with an automatic transmission)
Never tow this vehicle from the front with the rear wheels on the ground.
This may cause serious damage to the transmission.
■When towing a vehicle without using a towing dolly
(vehicles with a manual transmission)
The “ENGINE START STOP” switch must not be OFF.
STEP1
STEP2
STEP3

482
5-2. Steps to take in an emergency
(If equipped)
Indicates intuitive parking assist malfunction.
The malfunctioning assist-sensor is shown flashing on
the display.
(Flashing)
(If equipped)
Indicates a malfunction in the radar cruise control
system.
Wa r n i n g m e s s a g eDetails

486
5-2. Steps to take in an emergency
(Flashing)
(If equipped)
Indicates that the pre-
collision system is not
currently functional.
Clean the grille and the
sensor.
This message appears
when the pre-collision
system is hot. In this case,
wait until the system
cools down.
(If equipped)
Indicates that intuitive
parking assist is dirty or
covered with ice.
Clean the sensor.
(Flashing)
(If equipped)
Indicates that the radar
cruise control sensor is
dirty or covered with ice.
Clean the sensor.
Wa r n i n g m e s s a g eDetailsCorrection procedure

5
When trouble arises
499
5-2. Steps to take in an emergency
CAUTION
■When using the spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use two compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the 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. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & brake assist
●VSC
●TRAC
●EPS
●VDIM
●Navigation system (if equipped)
●Intuitive parking assist (if equipped)
●Dynamic radar cruise control (if equipped)
●Cruise control (if equipped)
●PCS (if equipped)
●AFS (if equipped)
Also, not only can the following system not be utilized fully, it may actually negatively
effect the drive-train components:
●AWD system (if equipped)

554
6-2. Customization
ItemFunctionDefault settingCustomized
setting
Windshield
wipers and
washer
(
P. 1 6 9 )
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 0 )
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)
Illumination
(
P. 3 2 9 )
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 footwell lightsOnOff
Shift lever lightOnOff
Outer foot lightOnOff
Seat belt
reminder
(
P. 4 7 3 )
Vehicle speed linked seat
belt reminder buzzerOnOff

565
Alphabetical index
Brake
Fluid ..........................................................408
Parking brake ........................................148
Brake assist ............................................... 196
Care
Exterior ................................................... 382
Interior.....................................................385
Seat belts ............................................... 386
Cargo capacity ..................................... 206
Cargo hooks .......................................... 360
CD changer ............................................. 241
CD player.................................................. 241
Chains ......................................................... 210
Child restraint system
Booster seats, definition...................109
Booster seats, installation ..................116
Convertible seats, definition ..........109
Convertible seats, installation .........116
Front passenger occupant
classification system .......................104
Infant seats, definition ........................109
Infant seats, installation........................116
Installing CRS with LATCH
anchors ................................................... 114
Installing CRS with seat belts ..........116
Installing CRS with top straps .........119Child safety
Airbag precautions ..............................99
Battery precautions ................... 412, 511
Child restraint system ....................... 109
Child-protectors ................................... 44
How your child should wear
the seat belt ..........................................65
Installing child restraints..................... 113
Moon roof precautions...................... 82
Power window lock switch .............. 76
Power window precautions ............ 78
Removed electronic key
battery precautions .......................435
Seat belt comfort guide ..................... 63
Seat belt extender precautions...... 67
Seat belt precautions ..........................66
Seat heater precautions..... 350, 353
Trunk precautions................................. 49
Child-protectors ...................................... 44
Cigarette lighter.................................... 346
Cleaning
Exterior....................................................382
Interior .................................................... 385
Seat belts ............................................... 386
Clock .......................................................... 341
Coat hooks ............................................. 358
Compass ..................................................369
Condenser ............................................. 408
Console box ........................................... 334
Cooling system
Engine overheating............................ 512
Cornering assist sensors .................... 190
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