2006 Lexus IS250 oil pressure

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4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury.
■When working on the engine compartment:
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator , exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easi ly, such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel
and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.
ItemsPa r t s a n d t o o l s
Engine oil level ( P. 2 6 8 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used only for adding engine oil)
Fuses ( P. 2 9 9 )• Fuse with same amperage rating as
original
Tire inflation pressure ( P. 2 8 9 )• Tire pressure gauge
• Compressed air source
Headlight aim ( P. 3 1 3 )• Phillips-head screwdriver
Radiator and condenser (P. 2 74 )
Wa s h e r f l u i d (P. 2 7 8 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel

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5-2. Steps to take in an emergency
If a warning message is displayed
Stop the vehicle immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warnings indicate the possibility of damage to
the vehicle that may lead to an acci dent. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Wa r n i n g m e s s a g eDetails
(Flashing)
Indicates an abnormal engine oil pressure.
The warning light may turn on if the engine oil pres-
sure is too low.
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning li ght turns on again after performing the following
actions, contact your Lexus dealer.

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6-1. Specifications
6
Vehicle specifications
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either separately or in
combination, can cause heat build up and possible tire failure.
Glossary of tire terminology
Tire related termMeaning
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, 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 pres-
sureTire 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 vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum inflation pres-
sureThe 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 number of occupants speci-
fied in the second column of Table 1
* that follows

404
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Pow e r w i n d ow
• After reconnecting or changing the battery
• After changing a fuse
P. 4 5
Engine oil maintenance
dataAfter changing engine oilP. 2 6 8
Tire inflation pressure
warning system
• When the standard tire pressure changes by replacing tires or wheels
• When tires are rotated
• When tire pressure sensors are replaced
• When driving with the tires inflated to
a higher than standard tire pressure
P. 2 8 0
The following item must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.

415
Alphabetical index
TrunkExtending a space .............................. 231
Opener.......................................................23
Trunk light Trunk light ................................................. 24
Wattage .................................................388
Turn signal lights Replacing light bulbs ......................... 314
Switch ........................................................103
Wattage .................................................388
Vanity lights Vanity lights ............................................ 216
Wattage .................................................388
Vanity mirrors ............................................. 216
VDIM (Vehicle dynamics integrated managem ent)................. 144
Vehicle dynamics integrated management (VDIM) ....................... 144
Vehicle identification number .........375
Vehicle stability control (VSC) ........ 144
Ventilators................................................226
VSC (Vehicle stability control) ........ 144
Warning buzzers Brake system ....................................... 333
Open door .......................................... 335
Seat belt reminder ............................ 334
Warning lights Anti-lock brake system (ABS) ... 334
Brake assist system .......................... 334
Brake system ....................................... 333
Charging system ............................... 334
Electric power steering warning light ..................................... 334 Electronic engine control
system ..................................................334
Low fuel level ...................................... 335
Low tire pressure warning light ....................................................... 335
Master warning light........................ 335
Open door ........................................... 335
Pre-collision system..........................334
Pretensioners .......................................334
Seat belt reminder light.................. 335
SRS airbags...........................................334
Warning messages AWD system .......................................339
Dynamic radar cruise control....................... 339, 343
Engine oil level ....................................343
Engine oil maintenance ..................343
Engine oil pressure .......................... 338
Hill-start assist control ..................... 342
Hood ........................................................343
Lexus parking assist sensor ...................................... 339, 343
Moon roof .............................................343
Open door ............................................343
Parking brake ......................................343
Pre-collision system............. 339, 343
Smart access system with push-button start ............................349
Steering lock.........................................339
Tire inflation pressure warning system................... 339, 343
Traction control (TRC) ................... 342
Trunk ........................................................343
Vehicle stability control (VSC)................................................... 342
Washer fluid .........................................343
V
W

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GAS STATION INFORMATION
Auxiliary catch leverP. 2 6 2Trunk openerP. 2 3Fuel filler door P. 5 1
Hood lock release lever P. 2 6 2Fuel filler door opener P. 5 1Tire inflation pressureP. 3 8 3
Fuel tank capacity17.2 gal. (65L, 14.3 lmp.gal.)
Fuel typeUnleaded gasoline only P. 52, 377
Cold tire inflation
pressureP. 3 8 3
Engine oil capacity
(Drain and refill)
qt. (L, Imp.qt.)
IS250 IS250
(2WD models) (AWD models) IS350
With filler 6.6 (6.3, 5.5) 6.8 (6.4, 5.7) 6.6 (6.3, 5.5)
Without filler 6.2 (5.9
, 5.2)6.3 (6.0, 5.3) 6.2 (5.9, 5.2)
Engine oil type
Toyota Genuine Motor Oil or equivalent
Oil grade: ILSAC multigrade engine oil P. 378
Recommended oil viscosity: SAE-5W-30