Page 440 of 660

4406-5. Using the other interior features
IS350 AWD/IS350/IS300 AWD/IS300_U
●Reverse operation feature: To ensure adequate rear visibility, the rear sunshade auto-
matically lowers when the sh ift lever is shifted to R.
However, the rear sunshade is raised again if any of the following occurs:
• The button is pressed again.
*
• The shift lever is shifted into P.
• The shift lever is shifted out of R, and the vehicle reaches a speed of 9 mph (15 km/h).
If the engine is off when the rear sunshade has been lowered due to the reverse opera-
tion feature, it will not be raised even when the engine is turned on again and the vehi-
cle reaches a speed of 9 mph (15 km/h). To raise the sunshade again, press the button.
*: Occasionally, the reverse function may not be carried out after the switch has been
pressed. Repeat the above operation to operate the function.
WARNING
When the rear sunshade is being operated, do not place fingers or other objects in the
fastener section or in the opening. They may get caught, causing injury.
NOTICE
●To prevent battery discharge, do not operate the rear sunshade when the engine is
off.
●To ensure normal operation of the rear sunshade, observe the following precautions:
• Do not place excessive load on the moto r or other components of the rear sun-
shade.
• Do not place objects where they may hi nder opening and closing operations.
• Do not attach items to the rear sunshade.
• Keep the opening clean and clear of obstructions.
• Do not operate the rear sunshade cont inuously for long periods of time.
Page 447 of 660
4476-5. Using the other interior features
6
Interior features
IS350 AWD/IS350/IS300 AWD/IS300_U
Press and hold the 2 outside buttons for
10 seconds until the HomeLink® indi-
cator light changes from continuously
lit (orange) to rapidly flashing (green).
If you sell your vehicle, be sure to erase
the programs stored in the HomeLink®
memory.
■Codes stored in the HomeLink® memory
●The registered codes are not erased even if the battery cable is disconnected.
●If learning failed when registerin g a different code to a HomeLink® button that already
has a code registered to it, the alread y registered code will not be erased.
■Before programming
●Install a new battery in the transmitter.
●The battery side of the transmitter must be pointed away from the HomeLink.
Erasing the entire HomeLink® memory (all three codes)
Page 451 of 660

4516-5. Using the other interior features
6
Interior features
IS350 AWD/IS350/IS300 AWD/IS300_U
■Circling calibrationStop the vehicle in a place where it is safe to drive in a circle.
Press and hold the button for 9
seconds.
“C” appears on the compass display.
Drive the vehicle at 5 mph (8
km/h) or less in a circle until a
direction is displayed.
If there is not enough space to drive
in a circle, drive around the block
until a direction is displayed.
■Conditions unfavorable to correct operation
The compass may not show the correct di rection in the following conditions:
●The vehicle is stopped immediately after turning.
●The vehicle is on an inclined surface.
●The vehicle is in a place where the earth's magnetic field is subject to interference by
artificial magnetic fields (underground car park/parking lot, under a steel tower,
between buildings, roof car park/parking lot, near an intersection, near a large vehicle,
etc.).
●The vehicle has become magnetized.
(There is a magnet or metal object near the inside rear view mirror.)
●The battery has been disconnected.
●A door is open.
1
2
3
WARNING
■While driving the vehicle
Do not adjust the display. Adjust the di splay only when the vehicle is stopped.
■When doing the circling calibration
Secure a wide space, and watch out for people and vehicles in the vicinity. Do not vio-
late any local traffic rules while performing circling calibration.
Page 453 of 660

453
Maintenance and care7
IS350 AWD/IS350/IS300 AWD/IS300_U
7-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 454
Cleaning and protecting the vehicle interior..................458
7-2. Maintenance Maintenance requirements ............................. 461
General maintenance .............. 464
Emission inspection and maintenance (I/M)
programs .................................... 467
7-3. Do-it-yourself maintenance Do-it-yourself service precautions................................468
Hood ............................................... 470
Positioning a floor jack ..............471
Engine compartment ............... 473
Tires .................................................485
Tire inflation pressure............... 495
Wheels ...........................................498
Air conditioning filter .............. 500
Electronic key battery ..............502
Checking and replacing fuses ..............................................504
Light bulbs..................................... 507
Page 455 of 660

4557-1. Maintenance and care
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
■When using a car wash
If the door handle becomes wet while the electronic key is within the effective range, the
door may lock and unlock repeatedly. In that case, follow the following correction proce-
dures to wash the vehicle:
●Place the key in a position 6 ft. (2 m) or more separate from the vehicle while the vehi-
cle is being washed. (Take care to ensure that the key is not stolen.)
●Set the electronic key to battery-saving mode to disable the sm art access system with
push-button start. ( P. 137)
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent.
●Wash detergent off with water immediately after use.
●To protect the paint from damage, make sure to observe the following precautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driving or park- ing in hot weather
■Bumpers
Do not scrub with abrasive cleaners.
■Front side windows water-repellent coating (if equipped)
●The following precautions can extend the effectiveness of the water-repellent coating.
• Remove any dirt, etc. from the front side windows regularly.
• Do not allow dirt and dust to accumulate on the windows for a long period.Clean the windows with a soft, damp cloth as soon as possible.
• Do not use wax or glass cleaners that co ntain abrasives when cleaning the windows.
• Do not use any metallic objects to remove condensation build up.
●When the water-repellent performance has become insufficient, the coating can be
repaired. Contact your Lexus dealer.
■Plated portions
If dirt cannot be removed, clean the parts as follows:
●Use a soft cloth dampened with an approxim ately 5% solution of neutral detergent and
water to clean the dirt off.
●Wipe the surface with a dry, soft cl oth to remove any remaining moisture.
●To remove oily deposits, use alcohol wet wipes or a similar product.
Page 463 of 660
4637-2. Maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
■If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and possible
death or serious injury.
■Handling of the battery
●Engine exhaust, some of its constituents, and a wide variety of automobile compo-
nents contain or emit chemicals known to th e State of California to cause cancer and
birth defects and other reproductive ha rm. Work in a well ventilated area.
●Oils, fuels and fluids contained in vehicles as well as waste produced by component
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 acce ssories contain lead and lead compounds
which are known to cause brain damage. Wash your hands after handling. ( P. 482)
Page 464 of 660
4647-2. Maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U
General maintenance
Listed below are the general maintenanc e items that should be performed at
the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommende d that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment
ItemsCheck points
BatteryCheck the connections. ( P. 482)
Brake fluidIs the brake fluid at the correct level? ( P. 481)
Engine/intercooler coolantIs the engine/intercooler c oolant at the correct level?
( P. 478)
Engine oilIs the engine oil at the correct level? ( P. 475)
Exhaust systemThere should not be any fumes or strange sounds.
Radiator, condenser and
intercooler radiatorThe radiator and condenser should be free from for-
eign objects. ( P. 480)
Washer fluidIs there sufficient washer fluid? ( P. 484)
Page 467 of 660

4677-2. Maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
The OBD system determines that a problem exists somewhere in the emission
control system. Your vehicle may not pass the I/M test and may need to be
repaired. Contact your Lexus dealer to service the vehicle.
●When the battery is disconnected or discharged
Readiness codes that are set during ordinary driving are erased.
Also, depending on your driving habits , the readiness codes may not be com-
pletely set.
●When the fuel tank cap is loose
The malfunction indicator lamp comes on indicating a temporary malfunction
and your vehicle may not pass the I/M test.
The error code in the OBD system will not be cleared unless the vehicle \
is driven
40 or more times.
Contact your Lexus dealer to pr epare the vehicle for re-testing.
Emission inspection and maintenance (I/M)
programs
Some states have vehicle emission in spection programs which include OBD
(On Board Diagnostics) checks. The OBD system monitors the operation of
the emission control system.
If the malfunction indicator lamp comes on
Your vehicle may not pass the I/M te st in the following situations:
When the malfunction indicator lamp still remains on after several driv-
ing trips
If your vehicle does not pass the I/M test