maintenance LEXUS RX450h 2015 User Guide

6354-1. Maintenance and care
4
Maintenance and care ■
Aluminum wheels ●
Remove any dirt immediately by using a neutral detergent. Do not use hard
brushes or abrasive cleaners. Do not us e strong or harsh chemical cleaners.
Use the same mild detergent and wax as used on the paint.●
Do not use detergent on the wheels when they are hot, for example after driving
for long distance in the hot weather.●
Wash detergent from the wheels immediately after use.■
Bumpers
Do not scrub with abrasive cleaners.
CAUTION■
When cleaning the windshield (vehicles with rain-sensing windshield wipers)
●
When the upper part of the windshield where the raindrop sensor is located is
touched by hand●
When a wet rag or similar is held close to the raindrop sensor●
If something bumps against the windshield●
If you directly touch the ra indrop sensor body or if something bumps into the
raindrop sensor■
Precautions regarding the exhaust pipe
Exhaust gasses cause the exhaus t 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. Set the wiper switch to off.
If the wiper switch is in , the wipers
may operate unexpected ly in the following
situations, and may result in hands being
caught or other serious injuries and cause
damage to the wiper blades.OFF

6364-1. Maintenance and care
NOTICE■
To prevent paint deterioration and corros ion on the body and components (alu-
minum wheels etc.) ●
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 in sects, insect droppings or bird droppings on the paint
• After driving in an area contaminated with soot, oily smoke, mine dust, iron
powder 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.●
To prevent the wheels from corroding, remove any dirt and store in a place with
low humidity when storing the wheels.■
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 to the surfaces of the lights.
Wax may cause damage to the lenses.■
To prevent damage to the windshield wiper arms
When lifting the wiper arms away from th e 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.■
When using an automatic car wash (vehicle s with rain-sensing windshield wipers)
Set the wiper switch to the off position.
If the wiper switch is in , the wipers may operate and the wiper blades may
be damaged.

6374-1. Maintenance and care
4
Maintenance and care Cleaning and protecting the vehicle interior The following procedures will help pr otect your vehicle's interior and keep
it in top condition:
■ Protecting the vehicle interior
Remove dirt and dust using a vacu um 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
detergent.
● Wring out any excess water from the cloth and thoroughly wipe
off all remaining traces of detergent.
● Wipe the surface with a dry, so ft cloth to remove any remaining
moisture. Allow the leather to dry in a shaded and ventilated area.
■ Cleaning the synthetic leather areas
● Remove loose dirt using a vacuum cleaner.
● Apply a mild soap solution to th e synthetic leather using a sponge
or soft cloth.
● Allow the solution to soak in fo r a few minutes. Remove the dirt
and wipe off the solution with a clean, damp cloth.

6384-1. Maintenance and care
■
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 overlappin g circles. Do not apply water. Excellent
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 vehicl e, such as on the floor and in the hybrid
battery (traction battery) air vents or in the luggage compartment.
Doing so may cause the hybr id battery, electrical components, etc. to malfunc-
tion or catch fire.●
Do not get any of the SRS components or wiring in the vehicle interior wet.
(  P. 1 3 4 )
An electrical malfunction may cause the airbags to deploy or not function prop-
erly, resulting in death or severe injury.■
Cleaning the interior (especially instrument panel)
Do not use polish wax or polish cleaner. The instrument panel may reflect off the
windshield, obstructing the driver's view and leading to an accident, resulting in
death or serious injury.

6394-1. Maintenance and care
4
Maintenance and care NOTICE■
Cleaning detergents ●
Do not use the following types of detergent, as they may discolor the vehicle inte-
rior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasoline, alkaline
or acidic solutions, dye, or bleach
• Seats: Acidic solutions, such as thinner, benzene, or alcohol●
Do not use polish wax or polish cleaner. The instrument panel's or other interior
part’s painted surface may be damaged.■
Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of leather
surfaces: ●
Remove any dust or dirt from leather surfaces immediately.●
Do not expose the vehicle to direct sunlight for extended pe riods of time. Park
the vehicle in the shade, especially during summer.●
Do not place items made of vinyl, plastic, or that contain wax on the upholstery, as
they may stick to the leather surface if th e vehicle interior heats up significantly.■
Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio syst em may be damaged if water comes into
contact with electrical components under the floor of vehicle. Water may also
cause the body to rust.■
Cleaning the inside of the rear window ●
Do not use glass cleaner to clean the re ar window, as this may cause damage to
the rear window defogger heater wires or antenna. Use a cloth dampened with
lukewarm water to gently wipe the window clean. Wipe the window in strokes
running parallel to the heater wires or antenna.
●
Be careful not to scratch or damage the heater wires or antenna.

6404-2. Maintenance
Maintenance requirements
■
Repair and replacement
It is recommended that genuine Lexus parts be used for repair to ensure perfor-
mance of each system. If non-Lexus parts are used in replacement or if a repair
shop other than a Lexus dealer performs repairs, confirm the warranty coverage.To ensure safe and economical drivin g, day-to-day care and regular main-
tenance are essential. It is the owne r’s responsibility to perform regular
checks. Lexus recommends the following maintenance:
■ General maintenance
General maintenance should be performed on a daily basis. This
can be done by yourself or by a Lexus dealer.
■ Scheduled maintenance
Scheduled maintenance should be performed at specified intervals
according to the maintenance schedule. For details about maintenance items and schedules, refer to the “War-
ranty and Service Guide”, “Owner’s Manual Supplement” or “Scheduled
Maintenance”.
■ Do-it-yourself maintenance
You can perform some maintenance procedures yourself.
Please be aware that do-it-your self maintenance may affect war-
ranty coverage. The use of Lexus Repair Manuals is recommended.
For details about warranty coverage, refer to the separate “Owner’s
Guide”, “Warranty and Service Guide”, “Owner’s Manual Supplement”
or “Warranty Booklet”.

6414-2. Maintenance
4
Maintenance and care ■
Reset the maintenance data (U.S.A. only)
After the required maintenance is performed according to the maintenance sched-
ule, please reset the maintenance data.
To reset the data, follow th e procedures described below:
Display the trip meter “A” (  P. 198), then turn the “POWER” switch off.
While pressing the “ODO/TRIP” button, turn the “POWER” switch to
ON mode.
■
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 de aler will promptly take care of it.STEP 1
STEP 2
Keep the “ODO/TRIP” button pressed for
about 5 seconds. The resetting procedure is
complete when “000000” in the trip meter
flashes once and the message in the multi-
information display disappears.STEP 3

6424-2. Maintenance
CAUTION■
If your vehicle is not properly maintained
Improper maintenance could result in se rious damage to the vehicle and possible
serious injury or death.■
Handling of the 12-volt 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.●
12-volt battery posts, terminals and related accessories contain lead and lead
compounds which are known to cause brain damage. Wash your hands after
handling. (  P. 6 6 4 )

6434-2. Maintenance
4
Maintenance and care General maintenance
Engine compartment Items Check points
Brake fluid Is the brake fluid at the correct level?
(  P. 6 6 2 )
Coolant Is the coolant at the correct level?
(  P. 6 5 9 )
Engine oil Is the engine oil at the correct level?
(  P. 6 5 6 )
Exhaust system There should not be any fumes or
strange sounds.
Radiator/condenser/hoses The radiator and condenser should
be free from foreign objects.
(  P. 6 6 1 )
Wa s h e r f l u i d Is there sufficient washer fluid?
(  P. 663)Listed below are the general maintenance items that should be performed
at the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recomme nded that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.

6444-2. Maintenance
Vehicle interior Items Check points
12-volt battery Check the connections. (  P. 6 6 4 )
Accelerator pedal • The accelerator pedal should move
smoothly (without uneven pedal
effort or catching).
Brake pedal • Does the brake pedal move
smoothly?
• Does the brake pedal have appro-
priate clearance from the floor?
(  P. 8 0 6 )
• Does the brake pedal have the cor-
rect amount of free play?
(  P. 8 0 6 )
Brakes • The vehicle should not pull to one
side when the brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel
spongy.
• The brake pedal should not get too
close to the floor when the brakes
are applied.
Head restraints • Do the head restraints move
smoothly and lock securely?
Hybrid transmission “Park” mecha-
nism • When parked on a slope and the
parking brake is on, is the vehicle
securely stopped?