engine Lexus IS250C 2010 Manual Online

348
3-7. Other interior features
10_IS250C/350C_U
Clock
■The clock is displayed when
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON mode.
Adjusts the hour.
Adjusts the minutes.
Rounds to the nearest hour.
*
*: e.g. 1:00 to 1:29 → 1:00
1:30 to 1:59 → 2:00

350
3-7. Other interior features
10_IS250C/350C_U
Change the settings.
Press the “ON/OFF” button to
change the settings (e.g. on/off).
■Items that can be set us ing the satellite switches
STEP3STEP3
Intuitive parking assist ( →P. 198) on/off (if
equipped)
Tire pressure warning system initialization
(→ P. 4 0 7 )
ID code selection for tire inflation pressure warn-
ing system ( →P. 4 0 9 )
AFS (Adaptive Front-lighting System) ( →P. 1 74 )
on/off (if equipped)
Vehicle speed indicator on/off and speed setting
(→ P. 1 6 1 )
Tacho indicator on/off and engine speed (rpm)
setting ( →P. 1 6 1 )

351
3-7. Other interior features
3
Interior features
10_IS250C/350C_U
■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.

353
3-7. Other interior features
3
Interior features
10_IS250C/350C_U
Cigarette lighter
■The cigarette lighter can be used when
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON mode.
CAUTION
■When not in use
Keep the lid closed.
Injuries may result in the event of an accident or sudden braking.
■To avoid burns or fires
●Do not touch the metal parts of the cigarette lighter.
●Do not hold the cigarette lighter down. It could overheat and cause a fire.
●Do not insert anything other than the cigarette lighter into the outlet.
Push the back part of the lid to
open, and push the cigarette
lighter down.
The cigarette lighter will pop up
when it is ready for use.

354
3-7. Other interior features
10_IS250C/350C_U
Power outlet
■The power outlet can be used when
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON mode.
NOTICE
■To avoid damaging the power outlet
Close the power outlet lid when the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may cause a short circuit.
■To prevent the fuse from being blown
Do not use an accessory that uses more than 12 V 10 A.
■To prevent the battery from being discharged
Do not use the power outlet longer than necessary when the engine is off.
The power outlet can be used for 12 V accessories that run on less than 10
A.

356
3-7. Other interior features
10_IS250C/350C_U
■The seat heaters and ventilators can be used when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■When not in use
Set the dial to “0”. The indicator light turns off.
Vehicles with a manual transmissionHeats the seats
The indicator light (amber)
comes on.
The higher the number, the
warmer the seats become.
Blows air from the seats
The indicator light (green)
comes on.
The higher the number, the
stronger the airflow becomes.
Driver’s
seatFront
passenger’s
seat

357
3-7. Other interior features
3
Interior features
10_IS250C/350C_U
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs,cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
NOTICE
■To prevent seat heaters and ventilators damage
Do not put unevenly weighted objects on the seat and do not stick sharp objects
(needles, nails, etc.) into the seat.
■To prevent battery discharge
Turn the switches off when the engine is off.

Maintenance and care4
373
10_IS250C/350C_U
4-1. Maintenance and careCleaning and protecting the vehicle exterior............. 374
Cleaning and protecting the vehicle interior .............. 377
4-2. Maintenance Maintenance requirements ....................... 380
General maintenance ......... 382
Emission inspection and maintenance (I/M)
programs............................... 385 4-3. Do-it-yourself
maintenance
Do-it-yourself service precautions ........................... 386
Hood .......................................... 389
Positioning a floor jack ......... 390
Engine compartment ........... 392
Tires............................................ 406
Tire inflation pressure............ 416
Wheels ...................................... 420
Air conditioning filter ........... 422
Electronic key battery.......... 425
Checking and replacing fuses ...................... 427
Headlight aim ......................... 442
Light bulbs................................ 444

381
4-2. Maintenance
4
Maintenance and care
10_IS250C/350C_U
■Allow inspection and repairs to be performed by a Lexus dealer
●Lexus technicians are well-trained specialists and are kept up to date with the
latest service information. They are well informed about the operations of all
systems on your vehicle.
●Keep a copy of the repair order. It proves that the maintenance that has been
performed is under warranty coverage. If any problem should arise while your
vehicle is under warranty, your Lexus dealer will promptly take care of it.
CAUTION
■If your vehicle is not properly maintained
It could result in serious damage to the vehicle and possible serious injury or death.
■Warning in handling of battery
●Engine exhaust, some of its constituents, and a wide variety of automobile com-
ponents contain or emit chemicals known to the State of California to cause can-
cer and birth defects and other reproductive harm. Work in a well ventilated area.
●Oils, fuels and fluids contained in vehicles as well as waste produced by compo-
nent wear contain or emit chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm. Avoid exposure and wash
any affected area immediately.
●Battery posts, terminals and related accessories contain lead and lead com-
pounds which are known to cause brain damage. Wash your hands after han-
dling. (→P. 4 0 2 )

382
4-2. Maintenance
10_IS250C/350C_U
General maintenance
Engine compartment
ItemsCheck points
BatteryMaintenance-free. (→P. 4 0 2 )
Brake fluidAt the correct level? ( →P. 4 0 0 )
Engine coolantAt the correct level? ( →P. 3 9 8 )
Engine oilAt the correct level? ( →P. 3 9 5 )
Exhaust systemNo fumes or strange sounds?
Radiator/condenser/hosesNot blocked with foreign matter?
(→ P. 4 0 0 )
Wa s h e r f l u i dAt the correct level? ( →P. 4 0 5 )
Listed below are the general maintenance items that should be performed
at the intervals specified in the “Warranty and Services Guide” or “Owners
Manual Supplement”. It is recommended that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.