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4446-2. Maintenance
GS350_250_OM_OM30E16E_(EE)
Maintenance requirements
Scheduled maintenance should be performed at specified intervals
according to the maintenance schedule.
For details about maintenance items and schedules, refer to the “Lexus Service
Booklet” or “Lexus Warranty Booklet”.
What about do-it-yourself maintenance?
Many of the maintenance items are easy to do yourself if you have a little mechan-
ical ability and a few basic automotive tools.
Note, however, that some maintenance tasks require special tools and skills.
These are best performed by qualified technicians. Even if you’re an experienced
do-it-yourself mechanic, we recommend that repairs and maintenance be con-
ducted by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. Any authorized Le xus dealer or repairer will keep a
record of maintenance, which could be useful should you ever require Warranty
Service. Should you choose to select a qualified and equipped professional other
than an authorized Lexus repairer to service or maintain your vehicle, we recom-
mend that you request that a record of maintenance be kept.
To ensure safe and economical driving, day-to-day care and regular
maintenance are essential. Lexus r ecommends the following mainte-
nance:
Scheduled maintenance
Do-it-yourself maintenance
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4456-2. Maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
■Where to go for maintenance service?
In order to maintain your vehicle in the best possible condition, Lexus recommends
that maintenance service operations as well as other inspections and repairs be car-
ried out by authorized Lexus dealers or repairers or other duly qualified and
equipped professionals. For repairs and services covered by your warranty, please
visit an authorized Lexus dealer or repairer, who will use genuine Lexus parts in
repairing any difficulties you may encounter. There can also be advantages in utiliz-
ing authorized Lexus dealers or repairers for non-warranty repairs and services, as
members of the Lexus network will be able to expertly assist you with any difficulties
you may encounter.
Your Lexus dealer or repairer, or another duly qualified and equipped professional
will perform all of the scheduled maintenance on your vehicle reliably and economi-
cally due to their experience with Lexus vehicles.
■Does your vehicle need repairs?
Be on the alert for changes in performance and sounds, and visual tip-offs that indi-
cate service is needed. Some important clues are:
●Engine missing, stumbling or pinging
●Appreciable loss of power
●Strange engine noises
●A fluid leak under the vehicle (However, water dripping from the air conditioning
system after use is normal.)
●Change in exhaust sound (This may indicate a dangerous carbon monoxide leak.
Drive with the windows open and have the exhaust system checked immediately.)
●Flat-looking tires, excessive tire squeal when cornering, uneven tire wear
●Vehicle pulls to one side when driven straight on a level road
●Strange noises related to suspension movement
●Loss of brake effectiveness, spongy feeling brake pedal, pedal almost touches the
floor, vehicle pulls to one side when braking
●Engine coolant temperature continually higher than normal (→P. 99)
If you notice any of these clues, take your vehicle to any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional as soon as possible.
Your vehicle may need adjustment or repair.
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4466-2. Maintenance
GS350_250_OM_OM30E16E_(EE)
CAUTION
■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
Battery posts, terminals and related accessories contain lead and lead compounds
which are known to cause brain damage. Wash your hands after handling.
(→ P. 4 6 1 )
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6
6-3. Do-it-yourself maintenance
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct
procedure as given
in these sections.
ItemsParts and tools
Battery condition ( →P. 4 6 1 )
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
•Distilled water
Engine coolant level ( →P. 4 5 9 )
•“To y o t a Super Long Life Coolant” or
a similar high quality ethylene glycol-
based non-silicate, non-amine, non-
nitrite and non-borate coolant with
long-life hybrid organic acid technol-
ogy
“Toyota Super Long Life Coolant” is
pre-mixed with 50% coolant and
50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level ( →P. 4 5 6 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( →P. 4 9 2 )• Fuse with same amperage rating as
original
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4486-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
Light bulbs (→P. 5 1 4 )
• Bulb with same number and wattage
rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Radiator and condenser ( →P. 4 6 1 )
Tire inflation pressure ( →P. 4 8 3 )•Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d ( →P. 4 6 5 )
• Water or washer fluid containing anti-
freeze (for winter use)
• Funnel (used only for adding water or washer fluid)
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious
injury, observe the following precautions.
■When working on the engine compartment
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel
and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.
●Take care because brake fluid can harm your hands or eyes and damage painted
surfaces. If fluid gets on your hands or in your eyes, flush the affected area with
clean water immediately. If you still experience discomfort, consult a doctor.
ItemsParts and tools
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449 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
CAUTION
■When working near the electric cooling fans or radiator grille
Be sure the engine switch is off.
With the engine switch in IGNITION ON mode, the electric cooling fans may
automatically start to run if the air conditioning is on and/or the coolant tempera-
ture is high. (→P. 4 6 1 )
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air.
■If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads wear or
when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, it may indicate a serious problem.
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4506-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
Hood
Pull the hood lock release lever.
The hood will pop up slightly.
Pull up the auxiliary catch lever
and lift the hood.
Release the lock from the inside of the vehicle to open the hood.
1
2
CAUTION
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion and
cause an accident, which may result in death or serious injury.
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6-3. Do-it-yourself maintenance
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
Positioning a floor jack
◆Front
X2WD models
XAW D m o d e l s
When raising your vehicle with a fl
oor jack, position the jack correctly.
Improper placement may damage your vehicle or cause injury.
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