oil level Lexus GS450h 2010 Using The Audio System / LEXUS 2010 GS450H OWNERS MANUAL (OM30C81U)

TABLE OF CONTENTSIndex
6
GS_HV_U (OM30C81U)
February 1, 2010 10:54 am
5-2. Steps to take in an emergency
If a warning light turns 
on or a warning buzzer 
sounds... ......................................... 534
If a warning message is 
displayed ....................................... 543
If you have a flat tire (Vehicles 
with standard tires) .................. 560
If you have a flat tire (Vehicles 
with run-flat tires) ...................... 570
If the hybrid system will not 
start ................................................. 572
If the shift lever cannot be shifted 
from “P” ......................................... 573
If you lose your keys .................... 574
If the electronic key does not 
operate properly ....................... 575
If the 12 volt battery is 
discharged ................................... 578
If your vehicle overheats ............ 581
If the vehicle becomes 
stuck............................................... 584
If your vehicle has to be stopped 
in an emergency ....................... 5866-1. Specifications
Maintenance data 
(fuel, oil level, etc.).................... 588
Fuel information ........................... 598
Tire information.............................. 601
6-2. Customization
Customizable features................ 615
6-3. Initialization
Items to initialize ............................ 621
Reporting safety defects 
for U.S. owners........................... 624
Seat belt instructions 
for Canadian owners 
(in French) .................................... 625
Abbreviation list........................ 628
Alphabetical index ................... 630
What to do if... ............................ 640
6Vehicle specifications
7For owners
Index

450
4-2. Maintenance
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
General maintenance
Engine compartment
Luggage compartment
ItemsCheck points
Brake fluid• At the correct level? (P. 4 6 8 )
Engine/power control unit coolant• At the correct level? (P. 4 6 6 )
Engine oil• At the correct level? (P. 4 6 2 )
Exhaust system• No fumes or strange sounds?
Radiator/condenser/hoses• Not blocked with foreign matter? 
(P. 4 6 8 )
Wa s h e r f l u i d• At the correct level? (P. 4 74 )
ItemsCheck points
12 volt battery• Maintenance-free (P. 4 7 0 )
Listed below are the general maintenance items that should be performed
at the intervals specified in the “Warranty and Services Guide/Owner’s
Manual Supplement”. It is recommended that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.

455
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
ItemsPa r t s a n d t o o l s
Engine oil level (P. 4 6 2 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used
only for adding engine oil)
Fuses (P. 4 9 6 )• Fuse with same amperage rating as
original
Headlight aim (P. 5 1 1 )• Phillips-head screwdriver
Radiator and condenser (P. 4 6 8 )
Tire inflation pressure (P. 4 8 5 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d (P. 4 74 )
• Water or washer fluid containing
antifreeze (for winter use)
•Funnel

460
4-3. Do-it-yourself maintenance
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
Engine compartment
■12 volt battery
P. 4 7 0
Engine oil level dipstick
(P. 4 6 2 )
Engine oil filler cap
(P. 463)
Brake fluid reservoir
(P. 468)
Fuse box (P. 4 9 6 )Washer fluid tank
(P. 4 74 )
Gasoline engine/power 
control unit coolant 
reservoir (P. 466)
Electric cooling fans
Condenser (P. 468)
Radiator (P. 468)

462
4-3. Do-it-yourself maintenance
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■Installing the clips
Push up center portion
Insert
Press
Engine oil
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. After turning off the hybrid sys-
tem, wait more than five minutes for the oil to drain back into the
bottom of the engine.
Hold a rag under the end and pull
the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check the
oil level.
STEP1
STEP2
STEP3
STEP4
STEP5

463
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
Wipe the dipstick and reinsert it fully.
Low
Full
■Adding engine oil
If the oil level is below or near the
low level mark, add engine oil of
the same type as already in the
engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise.STEP6
Engine oil
selectionP. 5 9 1
Oil quantity
(Low  Full)1.6 qt. (1.5 L, 1.3 Imp.qt.)
ItemsClean funnel
STEP1
STEP2
STEP3

464
4-3. Do-it-yourself maintenance
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■Engine oil consumption
●The amount of engine oil consumed depends on the oil viscosity, the quality of
the oil and the way the vehicle is driven.
●More oil is consumed under driving conditions such as high speeds, frequent
acceleration and deceleration.
●A new engine consumes more oil.
●When judging the amount of oil consumption, keep in mind that the oil may
have become diluted, making it difficult to judge the true level accurately.
●Oil consumption: Max. 1.1 qt./600 miles, 0.9 Imp.qt./600 miles (1.0 L per 1000
km). If the vehicle consumes more than this amount, contact your Lexus dealer.
■Resetting the engine oil maintenance data (U.S.A. only)
Perform the following steps:
Press the “DISP” switch (P. 169) to change the multi-information dis-
play to blank.
Turn the “POWER” switch to OFF.
Turn the “POWER” switch to ON mode with the trip meter reset button
held down.
Keep pressing the button for longer than 7 seconds after the “POWER”
switch is in ON mode.
STEP1
STEP2
STEP3
STEP4
After the above operation, the message
shown in the left will appear on the display.
The master warning light and tone will turn
on. After 5 seconds, the system reset is com-
pleted.

465
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
CAUTION
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin
disorders such as inflammation or 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 your Lexus dealer, 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 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.

5
When trouble arises
549
5-2. Steps to take in an emergency
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
Wa r n i n g m e s s a g eDetailsCorrection procedure
The trunk is not fully
closed.
flashes and a
buzzer sounds to indi-
cate that trunk is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Close the trunk.
(Flashing)
(If equipped)
The moon roof is not fully
closed (with the
“POWER” switch is OFF
and the driver’s door
opened).
Close the moon roof.
(Flashing)
The parking brake is still
engaged (with the vehicle
having reached a speed
of more than 3 mph [5
km/h]).
Release the parking
brake.
The washer fluid level is
low.Add washer fluid.
The engine oil level is low.Check the engine oil level,
and add if necessary.

Vehicle specifications6
587
GS_HV_U (OM30C81U)
January 28, 2010 11:33 am
6-1. Specifications
Maintenance data 
(fuel, oil level, etc.) .............. 588
Fuel information ..................... 598
Tire information....................... 601
6-2. Customization
Customizable features .......... 615
6-3. Initialization
Items to initialize ...................... 621