engine oil Lexus GS300 2018 Owner's Manuals

15Pictorial index
GS350_300_GS F_OM_OM30G34U_(U)
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 137
Locking/unlocking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 137
Opening/closing the door glasses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 175
Locking/unlocking by using the mechanical key . . . . . . . . . . . . . . . . . . . . . . . . P. 501
Warning lights/warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 436, 443
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 223
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 296
To prevent freezing (windshield wiper de-icer)*. . . . . . . . . . . . . . . . . . . . . . . . P. 314
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 360
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 228
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 228
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 521
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 393
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 528
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 29 6
Checking/rotation/tire pressure warning system . . . . . . . . . . . . . . . . . . . . . . P. 393
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 472, 483
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 373
Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 373
Engine compartment cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 379
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 522
Coping with overheat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 509
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 443
Headlights/front side marker lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 216
Front turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 210
Parking lights/daytime running lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 216
Side turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 210
1
2
3
4
5
Light bulbs of the exte rior lights for driving
(Replacing method: P. 418, Watts: P. 531)
*: If equipped
6
7
8

94
GS350_300_GS F_OM_OM30G34U_(U)2. Instrument cluster
Multi-information display
Presents the driver with a variety of vehicle data (
→P. 108)
Displays warning me ssages in case of a malfunction ( →P. 441)
Fuel gauge
Engine coolant temperature gauge
Displays the engine coolant temperature. If the engine coolant temperature gauge
indicator ( ) enters the red zone, a buzzer will sound and the indicator will turn red
and start flashing. Also, a warning message will be displayed.
Engine oil temperature gauge
Displays the engine oil temperature. If the engine oil temperature gauge indicator
( ) enters the red zone, the indicator will turn red and start flashing.
Outside temperature
Displays the outside temperature within the range of -40°F (-40°C) to 122°F
(50°C). Low outside temperature indicator comes on when the ambient temperature
is 37°F (3°C) or lower.
Tachometer
Displays the engine speed in revolutions per minute
Digital speedometer
Analog speedometer
Shift position and gear position
Displays the selected shift posi tion or selected shift range (→P. 202)
Odometer and trip meter display
Odometer:
Displays the total distance the vehicle has been driven
Trip meter:
Displays the distance the vehi cle has been driven since the meter was last reset. Trip
meters “A” and “B” can be used to record and display different distances inde-
pendently.
Eco driving meter
Displays the vehicle acceleration. The more rapidly the vehicle is accelerated, the
lower the number of blue segments displayed, indicating that your driving is less eco-
friendly. This meter is designed as a guideline to show the eco-friendliness of your
driving.
1
2
3
4
5
6
7
8
9
10
11

GS350_300_GS F_OM_OM30G34U_(U)
992. Instrument cluster
2
Instrument cluster
NOTICE
■To prevent damage to the engine and its components
●Do not let the indicator of the tachometer enter the red zone, as it represents the
engine speed range which exceeds the maximum safe engine speed.
●In the following situations, th e engine may be overheating. In this case, immediately
stop the vehicle in a safe place, and check the engine after it has cooled completely.
( → P. 509)
• The engine coolant temperature gauge indicator ( ) is in the red zone and flash- ing.
• The engine oil temperature gauge indicator ( ) is in the red zone and flashing.

GS350_300_GS F_OM_OM30G34U_(U)
1032. Instrument cluster
2
Instrument cluster
■Boost meter/oil temperature gauge/oil pressure gauge (GS300)
The boost pressure, engine oil tem-
perature and oil pressure can be dis-
played.Boost meter
When the boost pressure reaches
15 psi (100 kPa) or higher, the color
changes to amber.
Oil temperature gauge
When the engine oil temperature
reaches 284 °F (140 °C) or higher,
the display flashes.
Oil pressure gauge
If the oil pressure drops, the buzzer sounds and a warning message is displayed.
( → P. 453)
Actual vehicle conditions may differ fr om the displayed information depending on
road conditions, temperature, vehicle speed and other factors.
Use this informat ion as reference.
■G-forces
Displays lateral G-forces on the vehicle
Also displays, around the periphery of the G-force display, the left and right
steering amount, accelerator pedal input, and brake fluid pressure
Acceleration G-force on the
vehicle
Current G-force value (analyzed
value of front/rear and left/right
G-forces)
Accelerator pedal input
Brake fluid pressure
Record of the maximum G-forces
Steering amount
Actual vehicle conditions may differ fr om the displayed information depending on
road conditions, temperature, vehicle speed and other factors.
Use this informat ion as reference.
●Resetting the record of maximum G-forces
Press and hold to reset the record.
●Peak hold function (F SPORT models)
If lateral G-forces of 0.5 G or greater are generated, the G-force value dis-
play will turn amber and be held for 2 seconds.
1
2
3
1
2
3
4
5
6

GS350_300_GS F_OM_OM30G34U_(U)
1052. Instrument cluster
2
Instrument cluster
■●
Scheduled Maintenance (→ P. 366)
●Oil Maintenance (→ P. 384)
●TPMS (Tire pressure warning system) (→ P. 395)
■
●
Language
Select to change the la nguage on the display.
●Units
Select to change the unit of measure.
●Eco Driving Indicator Light
Select to activate/deactivate the Eco Driving Indicator Light.
● switch
Displays a procedure to register a desired screen to .
You can register 1 screen as a shortcut , which can be displayed by pressing .
●Drive information 1/2/3
Select to select up to 2 items that will be displayed on a Drive information screen,
up to 3 Drive informat ion screens can be set.
●Pop-up display
Select to set the following pop-up displays, which may appear in some situations,
on/off.
• Route guidance of the navigation system-linked display (if equipped)
• Incoming call display of the hands-free phone system
• Instrument panel brightness adjustment display
●Accent color (except F SPORT models)
Select to change the accent colors on the screen, such as the cursor color.
●Needle (F SPORT models)
Select to change the needle color for the tachometer.
●Rev indicator (F SPORT models)
Select to set the rev indicator on/off.
When set to on, proceed to set the engine speed at which the rev indicator will be
displayed.
Selectable engine speed range:
GS350: 2000 rpm to 6800 rpm
GS300: 2000 rpm to 6100 rpm
●Rev peak (F SPORT models)
Select to set the rev peak on/off.
●Default settings
Registered or changed meter settings will be deleted or returned to their default
setting.

152
GS350_300_GS F_OM_OM30G34U_(U)3-2. Opening, closing and
locking the doors and trunk
■Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
■Conditions affecting operation
The smart access system with push-button st art uses weak radio waves. In the following
situations, the communication between the electronic key and the vehicle may be
affected, preventing the smar t access system with push-but ton start, wireless remote
control and engine immobilizer system from operating properly.
(Ways of coping: →P. 501)
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas st ation, radio station, large display, airport or
other facility that generates strong radio wave s or electrical noise
●When the electronic key is in contact with, or is covered by the following metallic
objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key together with the following devices that emit radio
waves
• When carrying a portable radio, cellular phone, cordless phone or other wireless
communication device
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or person al digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or me tallic objects are attached to the rear win-
dow
●When the electronic key is placed near a battery charger or electronic devices
Press twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the smart
access system with push -button start cannot be
used. To cancel the function, press any of the
electronic key buttons.

190
GS350_300_GS F_OM_OM30G34U_(U)4-1. Before driving
NOTICE
■If you get a flat tire while driving
A flat or damaged tire may
cause the following situations . Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle.
●It may be difficult to control your vehicle.
●The vehicle will make abnormal sounds or vibrations.
●The vehicle will lean abnormally.
Information on what to do in case of a flat tire ( →P. 472, 483)
■When encountering flooded roads
Do not drive on a road that has flooded af ter 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
your Lexus dealer 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.

296
GS350_300_GS F_OM_OM30G34U_(U)4-6. Driving tips
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
and vehicles with LDH and 19-inch tires.
●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.
Ensure that all tires are th e specified size and brand.
Carry out the necessary preparations an d inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Preparation for winter (GS350/GS300)
Preparation for winter (GS F)

366
GS350_300_GS F_OM_OM30G34U_(U)6-2. Maintenance
■Resetting the message indicating main
tenance is required (U.S.A. only)
After the required maintenanc e is performed according to the maintenance schedule,
please reset the message.
To reset the message, follow the procedure described below:
Press or of the meter co ntrol switch and select .
Press or of the meter control switch an d select “Vehicle Settings”. Then press
.
Press or of the meter control switch and select “Scheduled Maintenance”.
Then press .
Select “Yes” and press .
■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 ser-
vice 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 per-
formed is under warranty coverage. If any problem should arise while your vehicle is
under warranty, your Lexus dealer will promptly take care of it. A message is displayed on the multi-informa-
tion display.
WARNING
■If your vehicle is not properly maintained
Improper maintenance could result in se rious damage to the vehicle and possible
death or serious injury.
■Handling of the battery
●Engine exhaust, some of its constituents, and a wide variety of automobile compo-
nents contain or emit chemicals known to th e State of California to cause cancer and
birth defects and other reproductive ha rm. Work in a well ventilated area.
●Oils, fuels and fluids contained in vehicles as well as waste produced by component
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.
●Battery posts, terminals and related acce ssories contain lead and lead compounds
which are known to cause brain damage. Wash your hands after handling. ( →P. 390)
1
2
3
4
5

367
GS350_300_GS F_OM_OM30G34U_(U)6-2. Maintenance
6
Maintenance and care
General maintenance
Listed below are the general maintenanc
e items that should be performed at
the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommende d that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment
ItemsCheck points
BatteryCheck the battery fluid level and connections.
( → P. 390)
Brake fluidIs the brake fluid at the correct level? ( →P. 389)
Engine coolantIs the engine coolant at the correct level?
(→ P. 386)
Engine oilIs the engine oil at the correct level? ( →P. 381)
Exhaust systemThere should not be any fumes or strange sounds.
Radiator/condenserThe radiator and condenser should be free from for-
eign objects. ( →P. 388)
Washer fluidIs there sufficient washer fluid? (→ P. 392)