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5
1
8 7
6
5
4
3
2
GS350_250_OM_OM30E16E_(EE)
6-1. Maintenance and careCleaning and protecting the vehicle exterior .................436
Cleaning and protecting the vehicle interior ..................440
6-2. Maintenance Maintenance requirements .............................444
6-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................ 447
Hood ...............................................450
Positioning a floor jack .............. 451
Engine compartment................ 454
Tires ..................................................466
Tire inflation pressure............... 483
Wheels........................................... 485
Air conditioning filter................ 487
Electronic key battery ..............489
Checking and replacing fuses .............................................. 492
Light bulbs ...................................... 514 7-1. Essential information
Emergency flashers...................534
If your vehicle has to be stopped
in an emergency ......................535
6Maintenance and care7When trouble arises
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10
GS350_250_OM_OM30E16E_(EE)
The SRS airbag and seat belt pretensioner devices in your Lexus contain explosive
chemicals. If the vehicle is scrapped with the airbags and seat belt pretensioners left
as they are, this may cause an accident such as fire. Be sure to have the systems of
the SRS airbag and seat belt pretensioner removed and disposed of by a qualified
service shop or by any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional before you scrap your vehicle.
Scrapping of your Lexus
Your vehicle contains batteries and/or accumulators. Do not discard them into
the environment but cooperate with separate collection
(Directive 2006/66/EC).
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3544-6. Driving tips
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Winter driving tips
●Use fluids that are appropriate to the prevailing outside temperatures.
• Engine oil
• Engine coolant
• Washer fluid
●Have a service technician inspect the condition of the battery.
●Have the vehicle fitted with four snow tires or purchase a set of tire
chains for the rear tires.
*
Ensure that all tires are the specified size and brand, and that chains match the
size of the tires.
*: Tire chains cannot be mounted on vehicles with front and rear tires of differing
sizes.
Carry out the necessary preparations and inspections before driving
the vehicle in winter. Always drive the vehicle in a manner appropriate
to the prevailing weather conditions.
Preparation for winter
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Page 435 of 688
435
6Maintenance and care
GS350_250_OM_OM30E16E_(EE)
6-1. Maintenance and careCleaning and protecting the vehicle exterior................. 436
Cleaning and protecting the vehicle interior.................. 440
6-2. Maintenance Maintenance requirements............................. 444
6-3. Do-it-yourself maintenance Do-it-yourself service precautions.................................447
Hood ............................................... 450
Positioning a floor jack...............451
Engine compartment ............... 454
Tires.................................................. 466
Tire inflation pressure ...............483
Wheels ...........................................485
Air conditioning filter ............... 487
Electronic key battery ..............489
Checking and replacing fuses.............................................. 492
Light bulbs.......................................514
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Page 444 of 688

4446-2. Maintenance
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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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Page 447 of 688

447
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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4586-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
CAUTION
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin
disorders such as inflammation and skin cancer, so care should be taken to avoid
prolonged and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
●Dispose of used oil and filters only in a safe and acceptable manner. Do not dis-
pose of used oil and filters in household trash, in sewers or onto the ground.
Call any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional, service station or auto parts store for information con-
cerning recycling or disposal.
●Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil filler cap is properly tightened.
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