2008 LEXUS RX400H Owners Manual

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3-6. Other interior features
3
Interior features
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CAUTION
■While driving the vehicle
Do not adjust the display. Be sure to adjust the display only when the vehicle is
stopped.
■When doing the circling calibration
Be sure to secure a wide space, and watch out for people and vehicles in the neigh-
borhood. Do not violate any local traffic rules while performing circling calibration.
NOTICE
■To avoid the compass malfunctions
Do not place magnets or any metal objects near the inside rear view mirror.
Doing this may cause a malfunction of the compass sensor.
■To ensure normal operation of the compass
●Do not perform circling calibration of the compass in a place where the earth's
magnetic field is subject to interference by artificial magnetic fields.
●During calibration, do not operate electric systems (moon roof, power windows,
etc.) as they may interfere with the calibration.

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Maintenance and care4
297
RX400h_U
4-1. Maintenance and care ............................... 298
Cleaning and protecting the vehicle exterior............ 298
Cleaning and protecting the vehicle interior ............... 301
4-2. Maintenance .................. 304 Maintenance requirements ....................... 304
General maintenance .......... 306
Emission inspection and maintenance (I/M)
programs............................... 309 4-3. Do-it-yourself
maintenance ................. 310
Do-it-yourself service precautions ............................ 310
Hood ........................................... 313
Positioning a floor jack .......... 314
Engine compartment ............ 316
Tires............................................. 331
Tire inflation pressure........... 340
Wheels ...................................... 344
Air conditioning filter ........... 346
Wireless remote control battery .................................... 348
Rear seat entertainment system controller ................ 350
Checking and replacing fuses ........................................ 352
Headlight aim (vehicles with discharge
headlights) ............................ 364
Light bulbs................................ 365

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4-1. Maintenance and care
Cleaning and protecting the vehicle exterior
■Automatic car washes
●Before washing the vehicle:
• Fold the mirrors back.
• Remove the antenna.
• Turn the power back door system off.
●Brushes used in automatic car washes may scratch the vehicle surface and harm
your vehicle’s paint.
■High pressure car washes
●Do not allow the nozzles of the car wash to come within close proximity of the
windows.
●Before car wash, check that the fuel filler door on your vehicle is closed properly.
Perform the following to protect the vehicle and maintain it in prime condi-
tion.
●Working from top to bottom, liberally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any dirt
and dust.
Wash the vehicle body using a sponge or soft cloth, such as a
chamois.
● For hard-to-remove marks, use car wash soap and rinse thor-
oughly with water.
● Wipe away any water.
● Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle
body is cool.

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Maintenance and care
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■Aluminum wheels
Remove any dirt immediately by using a neutral detergent. Do not use hard brushes
or abrasive cleaners. Do not use strong or harsh chemical cleaners. Use the same
mild detergent and wax as used on the paint.
■Bumpers and side moldings
Do not scrub with abrasive cleaners.
■To prevent deterioration and corrosion
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If you see coal tar or tree sap on the paint surface
• If you see dead insects or insect droppings on the paint
• After driving in an area contaminated with soot, oily smoke, mine dust, ironpowder or chemical substances
• If the vehicle becomes heavily soiled in dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
CAUTION
■Caution about the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled suffi-
ciently, as touching a hot exhaust pipe can cause burns.

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NOTICE
■To protect your vehicle’s painted surfaces
Do not use organic cleaners such as benzene or gasoline.
■To protect your vehicle’s
Do not splash water on the electric components in the engine compartment. This
may cause malfunction of the electric components.
■If the windshield washer nozzle become blocked
Contact your Lexus dealer. Do not try to clear it with a pin or other object.
This may damage the nozzle.
■Cleaning the exterior lights
●Wash carefully. Do not use organic substances or scrub with a hard brush.
This may damage the surfaces of the lights.
●Do not apply wax on the surfaces of the lights.
Wax may cause damage to the lenses.
■When using an automatic car wash (vehicles with the rain-sensing windshield
wipers)
■To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield, pull the driver side wiper
arm upward first, and repeat for the passenger side. When returning the wipers to
their original position, do so from the passenger side first.
Set the wiper switch to the off position.
If the wiper switch is in AUTO, the wipers may
operate and the wiper blades may be dam-
aged.
Off

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Maintenance and care
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Cleaning and protecting the vehicle interior
The following procedures will help protect your vehicle's interior and keep
it in top condition:
■Protecting the vehicle interior
Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces
with a cloth dampened with lukewarm water.
■ Cleaning the leather areas
●Remove dirt and dust using a vacuum cleaner.
● Wipe any excess dirt and dust with a soft cloth dampened with
diluted detergent.
Use a diluted water solution of approximately 5% neutral wool deter-
gent.
●Wring out any excess water from the cloth and thoroughly wipe
off all remaining traces of detergent.
● Wipe the surface with a dry, soft cloth to remove any remaining
moisture. Allow the leather to dry in shaded and ventilated area.
■ Synthetic leather areas
●Remove loose dirt using a vacuum cleaner.
● Apply a mild soap solution to the synthetic leather using a sponge
or soft cloth.
● Allow the solution to soak in for a few minutes. Remove the dirt
and wipe off the solution with a clean, damp cloth.

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■Cleaning the inside of the rear window
Do not use glass cleaner to clean the rear window, as this may cause damage to the
rear window defogger heater wires or antenna. Use a cloth dampened with luke-
warm water to gently wipe the window clean. Wipe the window in strokes running
parallel to the heater wires or antenna.
■Caring for leather areas
Lexus recommends cleaning the interior of the vehicle at least twice a year to main-
tain the quality of the vehicle’s interior.
■Shampooing the carpets
There are several commercial foaming-type cleaners available. Use a sponge or
brush to apply the foam. Rub in overlapping circles. Do not apply water. The excel-
lent results are obtained by keeping the carpet as dry as possible.
■Seat belts
Clean with mild soap and lukewarm water using a cloth or sponge. Also check the
belts periodically for excessive wear, fraying or cuts.
CAUTION
■Water in the vehicle
●Do not splash or spill liquid in the vehicle, such as on the floor, in the hybrid bat-
tery (traction battery) air vents.
Doing so may cause the hybrid battery, electrical components etc. to malfunction
or catch fire.
●Do not get any of the SRS components or wiring in the vehicle interior wet.
(→ P. 9 1 )
Electrical malfunction may cause the airbags to deploy or not function properly,
resulting in death or severe injury.