2003 Lexus IS300 oil

CHASSIS
324
SPECIFICATIONS
± MANUAL TRANSMISSIONOil capacity
2.6 L (2.7 qt., 2.3 lmp.qt.)
Oil typeMultipurpose gear oil API GL±4 or GL±5
Recommended oil viscositySAE 75W±90
± DIFFERENTIALOil capacity
1.15 L (1.22 qt., 1.01 lmp.qt.)
Oil typeHypoid gear oil API GL±5
Oil viscosityAbove ±18C (0F): SAE 90
Below ±18 C (0F): SAE 80W or SAE 80W±90
± AUTOMATIC TRANSMISSION
Fluid capacity Drain and refill
2.0 L (2.1 qt., 1.8 lmp.qt.)
Fluid typeToyota Genuine ATF Type T ± IV*
*Change automatic transmission fluid only as necessary.
Generally, it is necessary to change automatic transmission
fluid only if your vehicle is driven under one of the Special
Operating Conditions listed in your ºOwner's Manual
Supplement/Scheduled Maintenanceº. When changing the
automatic transmission fluid, use only ºToyota Genuine ATF
Type T±IVº ( ATF JWS3309 or NWS6500) to aid in assuring
optimum transmission performance.NOTICE
Using automatic transmission fluid other than ºToyota Genuine ATF Type T±IVº may cause deterioration inshift quality, locking up of your transmissionaccompanied by vibration, and ultimately damage theautomatic transmission of your vehicle.
2003 IS300 from Aug. '02 Prod. (OM53439U)

ELECTRICAL COMPONENTS
348
CHECKING BATTERY CONDITION
Precautions
CAUTION
BATTERY PRECAUTIONS
The battery produces flammable and explosive
hydrogen gas.
Do not cause a spark by contacting the battery
terminals with tools.
 Do not smoke or light a match near the battery.
The electrolyte contains poisonous and corrosive
sulfuric acid.
 Avoid contact with eyes, skin or clothes.
 Never inhale or swallow electrolyte.
 Wear protective safety glasses when working near
the battery.
 Keep children away from the battery.
EMERGENCY MEASURES
 If electrolyte gets in your eyes, flush your eyes with
clean water for at l east 15 minutes and get immediate
medical attention. If possible, continue to apply
water with a sponge or cloth while traveling to the
medical office.
 If electrolyte gets on your skin, thoroughly wash the
contacted area. If you feel a pain or burn, get medical
attention immediately.
 If electrolyte gets on your clothes, there is a
possibility of its soaking through to your skin, so
immediately take off the exposed clothing and follow
the procedure above, if necessary.
 If you accidentally swallow electrolyte, drink a large
quantity of water or milk. Follow with milk of
magnesia, beaten raw egg or vegetable oil. Then go
immediately for emergency help.
Warning: Battery posts, terminals and related
accessories contain lead and lead compounds,
chemicals known to the State of California to cause
cancer and reproductive harm. Wash hands after
handling.
2003 IS300 from Aug. '02 Prod. (OM53439U)

BODY
368
NOTICE

Dirt or sand adhered to the leather may damage thetreated surface and cause it to wear earlier. Removedirt or sand using a vacuum cleaner.

If a stain should fail to come out with a neutraldetergent, apply a cleaner that does not contain anorganic solvent.

Never use organic substances such as benzine,alcohol or gasoline, or alkaline or acid solutions forcleaning the leather as these could causediscoloring.

Use of a nylon brush or synthetic fiber cloth, etc. mayscratch the fine grained surface of the leather.

Mildew may develop on soiled leather upholstery. Beespecially careful to avoid oil spots. Try to keep your
upholstery always clean.

Long exposure to direct sunlight may cause the leather surface to harden and shrink. Keep your
vehicle in a shaded area, especially in the summer.

The interior of your vehicle is apt to heat up on hotsummer days, so avoid placing on the upholsteryitems made of vinyl or plastic or containing wax asthese tend to stick to leather when warm.

Improper cleaning of the leather upholstery couldresult in discoloration or staining.
If you have any questions about the cleaning of your
Lexus, your local Lexus dealer will be pleased to answer
them.
Carpets, Windows and Seat Belts
Begin by vacuuming thoroughly to remove as much dirt as
possible. Several types of foam cleaners are available; some
are in aerosol cans and others are powders or liquids which
you mix with water to produce a foam. To shampoo the
carpets, use a sponge or brush to apply the foam. Rub in
overlapping circles. Do not apply water ± the best results are
obtained by keeping the carpet as dry as possible. Read the
shampoo instructions and follow them closely.
The seat belts may be cleaned with mild soap and water
or with lukewarm water.
Use a cloth or sponge. As you are cleaning, check the belts
for excessive wear, fraying or cuts.
2003 IS300 from Aug. '02 Prod. (OM53439U)

3
GAS STATION INFORMATION

Fuel selection:
Select premium unleaded gasoline with an Octane Rat-
ing of 91 (Research Octane Number 96) or higher for
optimum engine performance. However, if such pre-
mium type cannot be obtained, you may temporarily use
unleaded gasoline with an Octane Rating as low as 87
(Research Octane Number 91).

Fuel tank capacity:
66 L (17.5 gal., 14.5 lmp.gal.)

Engine oil:
ºToyota Genuine Motor Oilº or equivalent
Oil grade: API grade SL ºEnergy±Conservingº or ILSAC
multigrade engine oil.
Recommend oil viscosity ± SAE 5W±30 if normal
temperatures are below 38 C (100F)
Oil capacity: L (qt., lmp.qt.)
Drain and refill with filter 5.4 (5.7, 4.8)
without filter 5.1 (5.4, 4.5)
See page 315 for detailed information.

Engine coolant:
Capacity: 7.5 L (7.9 qt., 6.6 lmp.qt.)
Coolant type ± ºToyota Genuine Long Life Coolantº or
equivalent
With ethylene±glycol type coolant for a proper corrosion
protection of aluminum components For checking the engine coolant, see page 319.
Do not use alcohol type antifreeze or plain water alone.

Automatic transmission:
Fluid type ± Toyota Genuine ATF Type T±IV
See page 324 for detailed information.

Tire information:
See page 331 through 341 for detailed information.

Tire pressure:
Tire size: 225/45ZR17, 215/45ZR17 or P205/55R16 89V
Tire pressure: cold tires
kPa (kgf/cm
2 or bar, psi)
Ti
re sizeFrontRear
225/45ZR17 ± 240 (2.4, 35)
215/45ZR17 230 (2.3, 33) 230 (2.3, 33)
P205/55R16 89V 230 (2.3, 33) 230 (2.3, 33)
For sustained high speeds above 160 km/h (100 mph), in
countries where such speeds are permitted by law, add the
tire pressure given below to the front tires and rear tires, but
never exceed the maximum cold tire pressure molded on the
tire sidewall.
225/45ZR17 70kPa (0.8 kgf/cm
2, 0.7 bar, 10 psi)
215/45ZR17 70kPa (0.8 kgf/cm2, 0.7 bar, 10 psi)
P205/55R16 89V
Sedan 70kPa (0.8 kgf/cm
2, 0.7 bar, 10 psi)
SportCross Front: 70kPa (0.8 kgf/cm2, 0.7 bar, 10 psi)
Rear: 90kPa (0.9 kgf/cm2, 0.9 bar, 15 psi)
2003 IS300 from Aug. '02 Prod. (OM53439U)

2.
Maintenance procedures for the engine, chassis,
body, electrical system, and more, are clearly
explained and illustrated.
Periodic maintenance and tune±up
Periodic maintenance and tune±up helps to prevent small
problems from growing into larger ones later on. The repair
manual outlines exactly what maintenance is required and
clearly explains how to do the work yourself step±by±step.
Areas covered include such things as spark plug replacement,
valve clearance adjustment and engine oil and filter
replacement.
Where to obtain theRepair Manual
The repair manual for IS300 written in English, may be
purchased as applicable from any Lexus dealer.
Pub. Name: 2003 IS300 Repair Manual
Pub. No.: Vol.1 RM980U1 Vol.2 RM980U2
2003 IS300 from Aug. '02 Prod. (OM53439U)