2008 Lexus GS450h oil level

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GS_HV_U
December 12, 2007 3:33 pm
5-1. Essential information .............. 482If your vehicle needs 
to be towed .................................. 482
If you think something is 
wrong ............................................ 488
Event data recorder ................... 489
5-2. Steps to take in an 
emergency ................................ 491
If a warning light turns on or a 
warning buzzer sounds... ........ 491
If a warning message is 
displayed...................................... 500
If you have a flat tire (Vehicles 
with standard tires) .................... 517
If you have a flat tire (Vehicles 
with run-flat tires) ...................... 527
If the hybrid system will 
not start......................................... 528
If the shift lever cannot be 
shifted from “P” .......................... 529
If you lose your keys ................... 530
If the electronic key does not 
operate properly ........................ 531
If the 12 volt battery is 
discharged ................................... 534
If your vehicle overheats .......... 538
If the vehicle becomes 
stuck................................................. 541 6-1. Specifications............................ 544
Maintenance data 
(fuel, oil level, etc.)..................... 544
Fuel information ........................... 553
Tire information ............................ 556
6-2. Customization .......................... 569 Customizable features .............. 569
6-3. Initialization ............................... 575 Items to initialize ........................... 575
Reporting safety defects for 
U.S. owners.................................. 578
Seat belt instructions for 
Canadian owners 
(in French) .................................... 579
Abbreviation list ....................... 582
Alphabetical index................... 584
What to do if............................... 594
5When trouble arises6Vehicle specifications
7For owners
Index

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2-5. Driving information
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When driving
GS_HV_U
December 12, 2007 3:50 pm
Winter driving tips
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.
■ Pre-winter preparations
●Use fluids that are appropria te to the prevailing outside tempera-
tures.
• Engine oil
• Engine/power control unit coolant
• Washer fluid
● Have a service technician inspect th e level and specific gravity of
battery electrolyte.
● 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 same si ze and brand, and that chains match
the size of the tires.
■ Before driving the vehicle
Perform the following according to the driving conditions.
● Do not try to forcibly open a w indow or move a wiper that is fro-
zen. Pour warm water over the frozen area to melt the ice. Wipe
away the water immediately to prevent it from freezing.
● To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
● Remove any ice that has accumul ated on the vehicle chassis.
● Periodically check for and remove any excess ice or snow that
may have accumulated in the wheel well or on the brakes.

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4-2. Maintenance
GS_HV_U
December 12, 2007 3:50 pm
General maintenance
Engine compartment
Luggage compartment
ItemsCheck points
Brake fluid• At the correct level? (P. 4 2 9 )
Engine/power control unit coolant• At the correct level? ( P. 4 2 7 )
Engine oil• At the correct level? ( P. 4 2 2 )
Exhaust system• No fumes or strange sounds?
Radiator/condenser/hoses• Not blocked with foreign matter? 
( P. 4 2 8 )
Wa s h e r f l u i d• At the correct level? ( P. 4 3 4 )
ItemsCheck points
12 volt battery• Maintenance-free ( P. 4 3 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 recommend ed that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.

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4-3. Do-it-yourself maintenance
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Maintenance and care
GS_HV_U
December 27, 2007 1:38 pm
ItemsPa r t s a n d t o o l s
Engine oil level (P. 422)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used
only for adding engine oil)
Fuses ( P. 4 5 6 )• Fuse with same amperage rating as
original
Headlight aim ( P. 4 7 1 )• Phillips-head screwdriver
Radiator and condenser (P. 4 2 8 )
Tire inflation pressure (P. 4 4 5 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d ( P. 4 3 4 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel

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4-3. Do-it-yourself maintenance
GS_HV_U
December 27, 2007 1:38 pm
Engine compartment
■12 volt battery
P. 4 3 0
Engine oil level dipstick 
( P. 422)
Engine oil filler cap 
( P. 423)
Brake fluid reservoir 
( P. 4 2 9 )
Fuse box ( P. 4 5 6 )Washer fluid tank 
( P. 4 3 4 )
Gasoline engine/power 
control unit coolant 
reservoir ( P. 4 2 7 )
Electric cooling fans
Condenser ( P. 4 2 8 )
Radiator ( P. 4 2 8 )

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4-3. Do-it-yourself maintenance
GS_HV_U
December 27, 2007 1:38 pm
■Installing the clips
Push up center portion
Insert
Press
Engine oil
With the engine at operating temperat ure 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 a few 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

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4-3. Do-it-yourself maintenance
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Maintenance and care
GS_HV_U
December 27, 2007 1:38 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
Oil gradeILSAC multigrade engine oil
Oil quantity
(Low  Full)1.6 qt. (1.5 L, 1.3 Imp. qt.)
ItemsClean funnel
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
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Maintenance and care
GS_HV_U
December 27, 2007 1:38 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 consumpt ion, 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 lmp.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 main tenance data (U.S.A. only)
Perform the following steps:
Press the “DISP” switch ( P. 156) 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.