maintenance Lexus GS300 2019 Owner's Guide

378
GS350_300_OM_OM30G96U_(U)6-3. Do-it-yourself maintenance
Engine compartment
GS350
Fuse boxes (
P. 414)
Battery (P. 392)
Engine oil level dipstick (P. 383)
Engine coolant reservoir (P. 388)
Engine oil filler cap ( P. 385) Brake fluid reservoir
(P. 391)
Washer fluid tank ( P. 394)
Electric cooling fans
Condenser ( P. 390)
Radiator ( P. 390)1
2
3
4
5
6
7
8
9
10

GS350_300_OM_OM30G96U_(U)
3796-3. Do-it-yourself maintenance
6
Maintenance and care
GS300
Fuse boxes (P. 414)
Battery (P. 392)
Intercooler coolant reservoir (P. 388)
Engine oil level dipstick (P. 383)
Engine oil filler cap ( P. 385) Engine coolant reservoir
(P. 388)
Brake fluid reservoir (P. 391)
Washer fluid tank ( P. 394)
Condenser ( P. 390)
Electric cooling fans
Radiator ( P. 390)1
2
3
4
5
6
7
8
9
10
11

380
GS350_300_OM_OM30G96U_(U)6-3. Do-it-yourself maintenance
GS F
Fuse boxes (
P. 414)
Battery (P. 392)
Engine oil level dipstick (P. 383)
Engine coolant reservoir (P. 388)
Engine oil filler cap ( P. 385) Brake fluid reservoir
(P. 391)
Washer fluid tank ( P. 394)
Electric cooling fans
Condenser ( P. 390)
Radiator ( P. 390)1
2
3
4
5
6
7
8
9
10

GS350_300_OM_OM30G96U_(U)
3816-3. Do-it-yourself maintenance
6
Maintenance and care
■Removing the engine compartment cover
GS350/GS300 (Right-hand side)
GS350/GS300 (Center)
GS F
Engine compartment cover

382
GS350_300_OM_OM30G96U_(U)6-3. Do-it-yourself maintenance
■Installing the clips
Push up center portion
Insert
Press
1
2
3
NOTICE
■Checking the engine compartm ent cover after installation
Make sure that the cover is securely installed in its original position.

GS350_300_OM_OM30G96U_(U)
3836-3. Do-it-yourself maintenance
6
Maintenance and care
With the engine at operating temperature and turned off, check the oil level on
the dipstick.
■Checking the engine oil
Park the vehicle on level ground. Afte r warming up the engine and turning
it off, wait more than 5 minutes for the oil to drain back into the bottom of
the engine.
Holding a rag under the end, pull the dipstick out.
Wipe the dipstick clean.
Engine oil
1
2
GS350GS300
GS F
3

384
GS350_300_OM_OM30G96U_(U)6-3. Do-it-yourself maintenance
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check the oil level.
Low
Normal
Excessive
The shape of the dipstick may differ depending on the type of vehicle or engine.
Wipe the dipstick and reinsert it fully.
4
5
1
2
3
Flat dipstickNon-flat dipstick
6

GS350_300_OM_OM30G96U_(U)
3856-3. Do-it-yourself maintenance
6
Maintenance and care
■Adding engine oil
If the oil level is below or near the low level mark, add engine oil of the same
type as that already in the engine.
Make sure to check the oil type and prepare the items needed before adding
oil.
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
GS350GS300
GS F
Engine oil selection P. 526, 528
Oil quantity (Low  Full) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items Clean funnel
1
2
3

386
GS350_300_OM_OM30G96U_(U)6-3. Do-it-yourself maintenance
■Engine oil consumption
A certain amount of engine oil will be consumed
while driving. In the following situations,
oil consumption may increase, and engine oil may need to be refilled in between oil
maintenance intervals.
●When the engine is new, for example directly after purchasing the vehicle or after
replacing the engine
●If low quality oil or oil of an inappropriate viscosity is used
●When driving at high engine speeds or with a heavy load, or when driving while accel-
erating or decelerating frequently
●When leaving the engine idling for a long time, or when driving frequently through
heavy traffic
■After changing the engine oil (GS350/GS300)
The engine oil maintenance data should be reset. Perform the following procedures:
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 “Oil Maintenance”. Then press
.
Select “Yes” and press .
A message is displayed on the multi-informa-
tion display.
WARNING
■Used engine oil
●Used engine oil contains potentially harm ful contaminants which may cause skin dis-
orders such as inflammation and skin cance r, so care should be taken to avoid pro-
longed 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 sa fe and acceptable manner. Do not dispose of
used oil and filters in household tras h, in sewers or onto the ground.
Call your Lexus dealer, service station or auto parts store for information concerning
recycling or disposal.
●Do not leave used engine oil within the reach of children.
1
2
3
4
5

GS350_300_OM_OM30G96U_(U)
3876-3. Do-it-yourself maintenance
6
Maintenance and care
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.