air suspension Lexus GS250 2014 Owner's Manual

501-1. For safe use
GS350_250_OM_OM30E16E_(EE)
CAUTION
■SRS airbag precautions
●Do not strike or apply significant levels of force to the area of the SRS airbag
components.
Doing so can cause the SRS airbags to malfunction.
●Do not touch any of the component parts immediately after the SRS airbags have
deployed (inflated) as they may be hot.
●If breathing becomes difficult after the SRS airbags have deployed, open a door
or window to allow fresh air in, or leave the vehicle if it is safe to do so. Wash off
any residue as soon as possible to prevent skin irritation.
●If the areas where the SRS airbags are stored, such as the steering wheel pad,
door of the glove box and front and rear pillar garnishes are damaged or cracked,
have them replaced by any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
■Modification and disposal of SRS airbag system components
Do not dispose of your vehicle or perform any of the following modifications with-
out consulting any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional. The SRS airbags may malfunction or deploy (inflate)
accidentally, causing death or serious injury.
●Installation, removal, disassembly and repair of the SRS airbags
●Repairs, modifications, removal or replacement of the steering wheel, instrument
panel, dashboard, glove box, seats or seat upholstery, front, side and rear pillars
or roof side rails
●Repairs or modifications of the front fender, front bumper, or side of the occupant
compartment
●Installation of a grille guard (bull bars, kangaroo bar, etc.), snow plows or winches
●Modifications to the vehicle’s suspension system
●Installation of electronic devices such as mobile two-way radios (RF-transmitter)
and CD players
●Modifications to your vehicle for a person with a physical disability
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2244-1. Before driving
GS350_250_OM_OM30E16E_(EE)
NOTICE
■When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may cause
the following serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to
have any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional check the following:
●Brake function
●Changes in quantity and quality of oil and fluid used for the engine, transmission,
transfer (AWD models), differential, etc.
●Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.
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3134-5. Using the driving support systems
4
Driving
GS350_250_OM_OM30E16E_(EE)
CAUTION
■Situations unsuitable for LKA
Do not use LKA in any of the following situations.
Otherwise, the system may not function correctly and could result in an accident.
●When driving with snow tires, tire chains, a spare tire, or similar equipment
●When the tires have been excessively worn, or when the tire inflation pressure is
low
●When there are objects or structures along the roadside that might be misinter-
preted as lane markers (such as guardrails, curb, reflector posts, etc.)
●When driving on snowy roads
●When pavement lane markers are difficult to see due to rain, snow, fog, sand, dirt,
etc.
●When there are visible lines on the pavement from road repairs, or if the remains
of old lane markers are still visible on the road
●When driving on slippery roads, such as those covered with rain, ice or snow
●When driving in a lane other than the driving or passing lanes on a freeway or
highway
●When driving on a road with lane closures due to maintenance, or when driving
in a temporary lane
●When towing a trailer
NOTICE
■To prevent damage to or incorrect operation of the LKA system
●Do not modify the headlights or attach stickers to the surface of the lights.
●Do not modify the suspension. If any suspension part needs to be replaced, con-
tact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
●Do not install or place anything on the hood or the grille. Also, do not install a
grille guard (bull bars, kangaroo bar etc.).
●Do not modify the sun visor. If any sun visor part needs to be replaced, contact
any authorized Lexus dealer or repairer, or another duly qualified and equipped
professional.
●If your windshield needs repairs, contact any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
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3274-5. Using the driving support systems
4
Driving
GS350_250_OM_OM30E16E_(EE)
CAUTION
■Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and total load
capacity. In addition, make sure that the tires are inflated to the recommended tire
inflation pressure level.
The ABS, TRC and VSC systems will not function correctly if different tires are
installed on the vehicle.
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional for further information when replacing tires or wheels.
■Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspension will affect the
driving assist systems, and may cause a system to malfunction.
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4396-1. Maintenance and care
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
NOTICE
■To prevent paint deterioration and corrosion 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 coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the paintsurface
• After driving in an area contaminated with soot, oily smoke, mine dust, iron powder or chemical substances
• If the vehicle becomes heavily soiled with 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.
■When using an automatic car wash (vehicle s with rain-sensing windshield wipers)
Turn off AUTO mode of the wiper to prevent the wiper from operating. ( →P. 2 7 2 )
If AUTO mode is selected, the wipers may operate and the wiper blades may be
damaged.
■When using a high-pressure car wash
●When washing the vehicle, do not let water from the high-pressure washer
directly hit the camera or the area around the camera. Due to the shock from
high-pressure water, it is possible that the device may not operate normally.
●Do not bring the nozzle tip close to boot s (rubber or resin manufactured cover),
connectors or the following parts. The parts may be damaged if they come into
contact with high-pressure water.
• Drivetrain system related parts
• Steering parts
• Suspension parts
•Brake parts
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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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5427-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
If you think something is wrong
●Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
●Flat-looking tires or uneven tire wear
●Engine coolant temperature gauge needle continually points higher
than normal.
●Changes in exhaust sound
●Excessive tire squeal when cornering
●Strange noises related to the suspension system
●Pinging or other noises related to the engine
●Engine missing, stumbling or running roughly
●Appreciable loss of power
●Vehicle pulls heavily to one side when braking
●Vehicle pulls heavily to one side when driving on a level road
●Loss of brake effectiveness, spongy feeling, pedal almost touches the
floor
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional as soon as
possible.
Visible symptoms
Audible symptoms
Operational symptoms
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672Alphabetical index
GS350_250_OM_OM30E16E_(EE)
Alphabetical index
A/C ..............................................................371Air conditioning filter........................ 487
Changing the rear seat settings.................................................382
Front automatic air
conditioning system ........................ 371
Humidity sensor ................................ 386
nanoe™ system ................................. 389
Pollen removal mode ......................384
Rear air conditioning system .........391
S-FLOW mode..................................384
ABS (Anti-lock Brake System) .......320 Function ..................................................320
Warning light .......................................545
Warning message............................ 556
Adaptive Front-lighting System (AFS) ...................................................... 261
Adaptive Variable Suspension system (AVS) ....................................... 321
AFS (Adaptive Front-lighting System) ................................................... 261
Air conditioning filter .......................... 487
Air conditioning system .......................371 Air conditioning filter........................ 487
Changing the rear seat settings.................................................382
Front automatic air
conditioning system ........................ 371
Humidity sensor ................................ 386
nanoe™ system ................................. 389
Pollen removal mode ......................384
Rear air conditioning system .........391
S-FLOW mode..................................384 Airbags ........................................................ 44
Airbag manual on-off system......... 56
Airbag operating conditions ............ 51
Airbag precautions for
your child ............................................... 47
Airbag warning light ........................ 545
Correct driving posture.................... 36
Curtain shield airbag operating
conditions ............................................... 51
Curtain shield airbag
precautions ...........................................49
General airbag precautions ............ 47
Locations of airbags ............................44
Modification and disposal of
airbags.................................................... 50
Side airbag operating
conditions ............................................... 51
Side airbag precautions ..................... 47
Side and curtain shield airbags operating conditions ......................... 51
Side and curtain shield airbags precautions ...........................................47
SRS airbags ..............................................44
Airbag manual on-off system ............. 56
Alarm............................................................ 86 Alarm ...................................................... 86
Warning buzzer..................... 544, 552
Anchor brackets ...................................... 70
Antennas (smart entry & start system) .........................................129
A
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