2004 Lexus IS300 engine

1.
FOREWORD
i
Congratulations on your selection of this Lexus. In Lexus vehicles we ha\
ve invested all our engineering and design resources; a
ll
the know- how we have gained in over 60 years of making automobiles; the hi\
ghest motivation of our most talented employees; and
our tradition of incessant striving toward ever greater quality.
This Owner's Manual explains the features of your new Lexus. Please read it and fol\
low the instructions carefully so that you can
enjoy many years of safe motoring.
When it comes to service, remember that your Lexus dealer knows your vehicle bes\
t and is interested in your complete satisfaction.
Your Lexus dealer will provide quality maintenance and any other assistan\
ce you may require.
If there is not a Lexus dealer near you, or you need emergency assistanc\
e for any reason, please call the following number:
U.S. OWNERS

When traveling in the U.S. mainland or Canada:
Lexus Roadside Assistance 1-800-25-LEXUS (Toll-Free)
(1-800-255-3987)

HAWAII:
Lexus Customer Service Assistance 1-800-25-LEXUS (Toll-Free)
(1-800-255-3987)
CANADIAN OWNERS
When traveling in Canada or the U.S. mainland:
Lexus Roadside Assistance/Customer Service 1-800-26-LEXUS (Toll-Free)
(1-800-265-3987)
Please leave this Owner's Manual in this vehicle at the time of resale. The next owner will nee\
d this information also.
All information and specifications in this manual are current at the time o\
f printing. However, because of the Lexus policy
of continual product improvement, we reserve the right to make changes a\
t any time without notice.
Please note that this manual applies to all models and explains all equi\
pment, including options. Therefore, you may find
some explanations for equipment not installed on your vehicle.
03 07.09

3.IMPORTANT INFORMATION ABOUT YOUR LEXUS
iii
New vehicle warranty
Your new vehicle is covered by the following Lexus limited
warranties:


New vehicle warranty

Emission control systems warranty

Others
For further information, please refer to the ºOwner's Guideº,
ºOwner's Manual Supplementº or ºWarranty Bookletº.
Your responsibility for maintenance
It is the owner's responsibility to make sure the specified
maintenance is performed. Section 5 of this Owner's Manual
gives details of these maintenance requirements. Included in
Section 6 is general maintenance. For scheduled
maintenance information, pl ease refer to the ºOwner's Manual
Supplement/Scheduled Maintenanceº.
Important health and safety information about
your Lexus
CAUTION

WARNING: Engine exhaust, some of its constituents,
and a wide variety of automobile components
contain or emit chemicals known to the State of
California to cause cancer and birth defects and
other reproductive harm. In addition, 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.

Battery posts, terminals and related accessories
contain lead and lead compounds. Wash your hands
after handling. Used engine oil contains chemicals
that have caused cancer in laboratory animals.
Always protect your skin by washing thoroughly with
soap and water.
Accessories, spare parts and modification of
your Lexus
A wide variety of non-genuine spare parts and accessories for
Lexus vehicles are currently available in the market. You
should know that Toyota does not warrant these products and
is not responsible for their performance, repair, or
replacement, or for any damage they may cause to, or adverse
effect they may have on, your Lexus vehicle.
03 07.09

5.
HOW TO USE THIS MANUAL
v
HOW TO USE THIS MANUAL
The contents of this manual are explained briefly on this
page to help you make the best use of the manual. Please
read this page and the rest of the Owner's Manual
carefully to make sure you fully understand the operation
of your vehicle.
This will help you enjoy safe and comfortable driving.
TABLE OF CONTENTS
The table of contents and the pictorial index provide easy
reference to the appropriate pages.
BASIC OPERATION - QUICK REFERENCE
Operation of basic equipment is briefly explained in an easily
understandable way for quick reference.
SECTION 1 - INSTRUMENTS AND CONTROLS
The vehicle's equipment is divided into the 7 groups listed
below. Use of the equipment is explained, including any points
you should pay particular attention to.
1. Keys and doors
2. Switches
3. Gauges, meters and service reminder indicators
4. Interior equipment
5. Exterior equipment
6. Occupant restraint systems
7. Steering wheel and mirrors
SECTION 2 - AIR CONDITIONING AND AUDIO
The features of the vehicle's air conditioning and audio are
explained in detail. Be sure to read this section so that you can
make full use of them.
SECTION 3 - STARTING AND DRIVING
Starting the engine, driving, stopping, operation of features
affecting vehicle handling, hints on vehicle safety and safe
driving techniques are all explained. Please read everything
in this section, and remember - drive safely!
SECTION 4 - IN CASE OF AN EMERGENCY
This section explains what to do in the event of an urgent
situation such as the engine not starting or getting a flat tire,
etc. If such a problem occurs, check the contents of this
Owner's Manual and follow the instructions given.
SECTION 5 - MAINTENANCE
This section explains the importance of regular maintenance.
Regular and periodic inspection and maintenance of your
Lexus will help to keep your vehicle in its best condition.
SECTION 6 - SERVICE PROCEDURES AND
SPECIFICATIONS
Simple maintenance procedure and service data are provided
here for your reference should you wish to perform inspection
and maintenance yourself.
03 07.09

10.
For detailed information, refer to the description given in each section\
.
PICTORIAL INDEX
x
Page
1Driver's seat belt reminder light51
. . . . . . . . . . . . . . .
2Open door warning light 55
. . . . . . . . . . . . . . . . . . . . . .
3Tachometer 47
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4Headlight high beam indicator light 32
. . . . . . . . . . .
5Low engine oil level warning light 53
. . . . . . . . . . . . .
6Vehicle stability control system
warning light 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7Turn signal indicator lights 32
. . . . . . . . . . . . . . . . . . .
8Cruise control indicator light 249
. . . . . . . . . . . . . . . .
9Momentary fuel consumption meter 46
. . . . . . . . . . .
10Voltmeter 46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
11Automatic headlight leveling system warning
light 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . .
12Engine coolant temperature gauge 45
. . . . . . . . . . . .
13Anti-lock brake system warning light 54
. . . . . . . . . .
14Malfunction indicator lamp 54
. . . . . . . . . . . . . . . . . . .
15Fuel gauge 44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16Low fuel level warning light 55
. . . . . . . . . . . . . . . . . . . Page
17Odometer and trip meter
48
. . . . . . . . . . . . . . . . . . . . .
18Power mode indicator light 240
. . . . . . . . . . . . . . . . . .
19Snow mode indicator light 240
. . . . . . . . . . . . . . . . . . .
20ODO/TRIP knob 48
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21Automatic transmission indicator lights 238 . . . . . .
22M mode indicator 241
. . . . . . . . . . . . . . . . . . . . . . . . . . .
23Gear position indicator for manual control 241 . . . .
24Discharge warning light 52
. . . . . . . . . . . . . . . . . . . . . .
25Rear light failure warning light 55
. . . . . . . . . . . . . . . .
26Security indicator light 27
. . . . . . . . . . . . . . . . . . . . . . .
27Traction control system
off indicator/warning light 55 . . . . . . . . . . . . . . . . . . . .
28Low engine oil pressure warning light 52
. . . . . . . . .
29Slip indicator light 252, 255, 258
. . . . . . . . . . . . . . . . . .
30Brake system warning light 50
. . . . . . . . . . . . . . . . . . .
31SRS warning light 51
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
32Engine oil replacement reminder light 53
. . . . . . . . .
03 07.09

12.
For detailed information, refer to the description given in each section\
.
PICTORIAL INDEX
xii
Page
1Tachometer47
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2Headlight high beam indicator light 32
. . . . . . . . . . .
3Low engine oil level warning light 53
. . . . . . . . . . . . .
4Vehicle stability control system warning light 56 . .
5Turn signal indicator lights 32
. . . . . . . . . . . . . . . . . . .
6Cruise control indicator light 249
. . . . . . . . . . . . . . . .
7Momentary fuel consumption meter 46
. . . . . . . . . . .
8Voltmeter 46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
9Automatic headlight leveling system warning
light 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . .
10Engine coolant temperature gauge 45
. . . . . . . . . . . .
11Anti-lock brake system warning light 54
. . . . . . . . . .
12Malfunction indicator lamp 54
. . . . . . . . . . . . . . . . . . .
13Fuel gauge 44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14Low fuel level warning light 55
. . . . . . . . . . . . . . . . . . .
15Odometer and trip meter 48
. . . . . . . . . . . . . . . . . . . . .
16Power mode indicator light 240
. . . . . . . . . . . . . . . . . . Page
17Snow mode indicator light
240
. . . . . . . . . . . . . . . . . . .
18ODO/TRIP knob 48
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19Automatic transmission indicator lights 238 . . . . . .
20M mode indicator 241
. . . . . . . . . . . . . . . . . . . . . . . . . . .
21Gear position indicator for manual control 241 . . . .
22Discharge warning light 52
. . . . . . . . . . . . . . . . . . . . . .
23Rear light failure warning light 55
. . . . . . . . . . . . . . . .
24Security indicator light 27
. . . . . . . . . . . . . . . . . . . . . . .
25Traction control system
off indicator/warning light 55 . . . . . . . . . . . . . . . . . . . .
26Low engine oil pressure warning light 52
. . . . . . . . .
27Slip indicator light 252, 255, 258
. . . . . . . . . . . . . . . . .
28Brake system warning light 50
. . . . . . . . . . . . . . . . . . .
29SRS warning light 51
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
30Open door warning light 55
. . . . . . . . . . . . . . . . . . . . . .
31Driver's seat belt reminder light 51
. . . . . . . . . . . . . . .
03 07.09

OPERATION OF SELECTOR LEVER
SELECTOR LEVER POSITION
P: Parking, engine starting and key removal position
R: Reverse position
N: Neutral position
D: Normal driving position (Shifting into overdrive
possible)
M: Position for manual shifting up or downshifting
(Shifting into overdrive possible)*
3, 2: Position for more powerful engine braking
L: Position for maximum engine braking
SVBA009
Shift while pressing the brake pedal. (Ignition
switch must be in the ºONº position.)
*:When the cruise control is being used, even if you downshift from º5º to º4º\
, engine braking will not be enabled because
the cruise control is not cancelled. For the operation to decrease the \
vehicle speed, see page 251.
SV31020
QUICK REFERENCE
4
3. AUTOMATIC TRANSMISSION
03 07.09

QUICK REFERENCE
5
4. HEADLIGHT AND TURN SIGNALSWITCH
SVBA013
SVBA013

HEADLIGHT SWITCHWith the ignition OFF
Parking, tail, license plate,
side marker and instrument
panel lights turn on.
Automatic light control
Headlights also turn on.
With the engine started and parking brake
released Parking, tail, license plate,
side marker and instrument
panel lights turn on.
Headlights also turn on
at full intensity.
Automatic light control
SVBA014
SSBA011b
Right or left turn
Lane change
(Right or left) High beam
Headlight flasher

TURN SIGNAL SWITCH
03 07.09

SECTION 1 ± 1
7
INSTRUMENTS AND CONTROLS
Keys and doors
Keys8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine immobilizer system 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . .
Wireless remote control 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . .
Doors 20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back door 24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft deterrent system 27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . . .
03 07.09