engine oil LEXUS LS430 2006 User Guide

267
4-3. Do-it-yourself maintenance
4
Maintenance and care
NOTICE
■To prevent serious engine damage
Check the oil level regularly.
■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 cap is properly retightened.

334
5-2. Steps to take in an emergency
If a warning message appears...
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Warning message and lightDetails
Engine oil pressure warning
Indicates abnormal oil pressure.
This warning message may appear it the level of
engine
oil is low. The message should disappear
after checking the oil and adding oil.
If a warning message appears on the multi-information display, check to see
what the problem is and take appropriat e measures referring to the following
table.
Master warning light
Comes on or flashes when a warn -
ing message appears on the multi
information display
. (The warning
light may not come on or flash,
depending on the system. In this
case only the message will be dis -
played.)
Multi information display
1
2

5
When trouble arises
337
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check
that the warning message disappears.
Warning message and lightDetailsCorrection procedures
(flashes)
Engine oil level warn-
ing
The engine oil level is
low.Check the level of engine
oil and add if necessary.
Open door warning
(Warning buzzer)*1
Check that all doors are
closed.Indicates that a door
is not fully closed.
Graphic information
also appears to let
you know which
door is open.

Open trunk-lid warn-
ing
(Warning buzzer)*1
Indicates that the
trunk-lid is not fully
closed.Check that the trunk-lid
is closed.

5
When trouble arises
341
5-2. Steps to take in an emergency
*1:Warning buzzer
A buzzer will sound and the master warnin g
light flashes if the vehicle is driven
at a speed of approximately 3 mph (5 km/h).
Warning message and lightDetailsCorrection procedures
Pre-collision system
warning
• The millimeter
radar sensor or the
grill cover is dirty.Clean the sensor cover
with a soft cloth.
• System turned off
for overheat pro -
tection because
pr
e-collision seat
belts have acti -
vated repeatedly
within a short time.
Wait for a while for the
system to reactivate.
Engine oil mainte -
nance information
(U.S.A. only)
The engine oil should
be replaced soon.
The engine oil needs
to be replaced.Replace the engine oil as
soon as possible.

5
When trouble arises
343
5-2. Steps to take in an emergency
NOTICE
■While the engine oil level warning is displayed
Continued engine operation with low engine o
il will damage the engine.
■Engine oil maintenance massage
The two warning messages are based on the pr
ojected driving range after engine
oil maintenance massage is reset.
The system does not monitor the purity of the engine oil.

352
5-2. Steps to take in an emergency
CAUTION
■Using the tire jack
Improper use of the tire jack may lead to death or injuries due to the vehicle sud-
denly falling off the jack. 
Observe the following precautions to prevent accidents.
• Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.
• Only use the tire jack that comes with this vehicle for replacing a flat tire. 
Do not use this tire jack on other vehicl
es, and do not use other tire jacks for
replacing tires on this vehicle.
• Always check that the tire jack is securely set to the jack point.
• Do not raise the vehicle while someone is in it.
• When raising the vehicle, do not put an object on or under the jack.
• Do not raise the vehicle to a height greate r than
that required to replace the tire.
• Do not put any part of your body under the vehicle supported by a jack.
• Do not start or run the engine while your vehicle is supported by the jack.
• Use a jack stand if it is necessary to get under the vehicle.
• Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
■Replacing a flat tire
Observe the following precautions to reduce
the risk of death or serious injury.
• Never use oil or grease on the wheel bolts or wheel nuts. 
The oil or grease can cause the wheel nuts to loosen, causing a serious accident.
R
emove any oil or grease on the wheel bolts or wheel nuts.
• Have the wheel nuts tightene d with a tor
que wrench to 76 f t•lbf (105 N•m, 10.5
kgf
•m) as soon as possible after changing wheels. 
Failure to follow these pre-cautions could cause, the wheel nuts to loosen and the
w
heels may fall off, which could lead to an accident causing death or serious injury.
NOTICE
■Do not drive the vehicle with a flat tire.
Do not continue driving with a flat tire. 
Driving even a short distance can damage a tire and wheel beyond repair.

366
6-1. Specifications
Fuel
Lubrication system
*5W-30 is an oil that provides optimal levels of fuel efficiency
Oil viscosity
• “5W” oils are for use in ar
eas where the ambient temperature is -13 F (-
25 C) or above. “10W” oils are fo r areas where the ambient tempera -
ture is -4 F (-
20C) or above. Oils with smaller figures are better for
engine starting in cold we ather and fuel efficiency.
• “XX-30” indicates oil viscosity. O ils with lar
ger figures have better ther-
mostability and are good for high-speed driving.
Fuel typeUnleaded gasoline only
Octane rating91 (Research octane number 96) or higher
Fuel tank capacity22.2 gal. (84 L, 18.5 lmp.gal)
Oil capacity
(drain and refill) with filter
without filter
5.4 qt. (5.1 L, 4.5 lmp.qt.)
4.8 qt. (4.5 L, 4.0 lmp.qt.)
Oil gradeILSAC multigrade engine oil
Recommended oil 
viscosity
Use Lexus approved “Toyota Genuine
Motor Oil” or equivalent to satisfy the
above grade and viscosity.
Temperature range anticipated before
next oil change 5W-30*

382
6-1. Specifications
Glossary of tire terminology
Tire related termDefinition
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Cold tire inflation 
pressure
Tire pressure when the vehicle has been parked for three
hours or more, or has not been driven more than 1 mile or
1.5 km under that condition
Curb weight
The weight of a motor vehicl e with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air conditioning and additional weight
optional engine
Maximum inflation 
pressure
The maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Maximum loaded 
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the numb er of occupants specified
in the second column of Table 1 that follows
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the stan -
dard items which they replace, not previously considered
in curb weight or accessory weight, including heavy duty
brakes, ride levelers, roof rack, heavy duty battery, and
special trim
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68 kg)
times the vehicle’s designated seating capacity

387
6-2. Owner’s customize
6
Vehicle specifications
Initializing your Lexus
ItemMaintenance performedReference
Po w e r w i n d o wReconnected, replaced or
recharged battery.P. 4 5
Moon roofReconnected, replaced or
recharged battery.P. 4 8
Tire pressure warning sys-
tem
Adjusted tire inflation
pressure, replaced tires or
wheels.
P. 2 7 9
Engine oil maintenance
dataChanged engine oil.P. 2 6 5
Air conditioning filter clog-
ging data
Replaced air conditioning
filters.P. 2 9 3
The following features must be initialized after certain maintenance is per-
formed to ensure the system operates correctly.

394
Alphabetical index
Driving position memory ......................25
Dynamic radar/laser 
cruise control ....................................... 129
ECT Pattern select switch ......................... 99
Electronically modulated 
air suspension ...................................... 138
Engine Compartment ..................................... 262
Hood........................................................ 260
How to start the engine..................... 94
If your vehicle will not start............ 353
Ignition switch......................................... 94
Malfunction indicator lamp........... 330
Engine coolant Capacity ................................................. 367
Checking ............................................... 268
Preparing and checking 
before winter ......................................149
Engine coolant temperature 
gauge....................................................... 103
Engine immobilizer system.................. 54
Engine oil Capacity ................................................. 366
Checking ............................................... 263
Preparing and checking 
before winter ......................................149
Event data recorder ............................ 326
First-aid kit net........................................ 227
Fog lights Switch .......................................................... 113
Wattage.................................................. 372
Floor lights ................................................ 198Floor mats ................................................
224
Fluid Brake ........................................................ 270
Power steering .................................... 272
Washer.................................................... 277
Front passenger's seat
belt 
reminder light ..................................... 332
Front seats Adjustment ............................................... 22
Fuel Capacity ................................................ 366
Fuel gauge .............................................. 103
Information ............................................ 373
Low fuel level warning light ........... 331
Refueling ..................................................... 51
Fuel filler door ............................................. 51
Fuel pump shut off system................. 325
Fuses Blade ...................................................... 298
Cartridge............................................... 309
Gas station information ..................... 402
Garage door opener .......................... 232
Gauge and meter.................................. 103
Glove box ................................................ 202
Glove compartment light Wattage .................................................. 372
Graphic information ............................ 109
Head restraints Adjusting..................................................... 31
Headlight aim ............................................ 311
Headlight cleaner.................................... 117
Headlights Operation ................................................. 110
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