2010 Lexus IS250C low oil pressure

393
4-3. Do-it-yourself maintenance
4
Maintenance and care
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,
observe the following precautions.
■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. 4 0 1 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used only for adding engine oil)
Fuses ( P. 4 3 3 )• Fuse with same amperage rating as
original
Tire inflation pressure ( P. 422)• Tire pressure gauge
• Compressed air source
Headlight aim ( P. 4 4 8 )• Phillips-head screwdriver
Radiator and condenser (P. 4 0 6 )
Wa s h e r f l u i d ( P. 4 1 1 )
• 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.
MessageDetails
(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 lights turns on again after performing the follow-
ing actions, contact your Lexus dealer.

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6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Engine oil maintenance
data (U.S.A. only)After changing engine oilP. 4 0 1
Tire pressure warning
system
• When changing the tire inflation pressure by changing traveling
speed.
• When changing the tire size.
P. 4 1 2
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.

589
Alphabetical index
Warning buzzersBrake system ....................................... 469
Open door ............................................ 471
Seat belt reminder .............................. 471
Warning lights Anti-lock brake system .................. 470
Brake assist system .......................... 470
Brake system ....................................... 469
Charging system ............................... 469
Electric power steering warning light ..................................... 470
Low fuel level......................................... 471
Malfunction indicator lamp .......... 470
Master warning light .......................... 471
Open door ............................................. 471
Pre-collision system ......................... 470
Pretensioners ...................................... 470
Seat belt reminder light .................... 471
SRS airbags .......................................... 470
Tire pressure warning light.......................................................... 471
Warning messages Dynamic radar cruise control .........................479, 481
Engine oil level ......................................481
Engine oil maintenance....................481
Engine oil pressure........................... 478
Hood .........................................................481
Intuitive parking assist ...........479, 481
Open door .............................................481
Parking brake ........................................481
Pre-collision system ...............479, 481
Retractable hardtop ...............479, 481 Smart access system with
push-button start ........................... 488
Steering lock......................................... 479
Tire pressure warning system..................... 479, 481
Trunk ......................................................... 481
Washer fluid .......................................... 481
Washer Checking .................................................. 411
Preparing and checking before winter ....................................220
Switch........................................................ 178
Washing and waxing .......................... 380
Weight Cargo capacity .....................................216
Load limits ...............................................219
Weight.....................................................532
Wheels ...................................................... 426
Window glasses ...................................... 78
Window lock switch ............................... 78
Windows Power windows ..................................... 78
Rear window defogger...................238
Washer .................................................... 178
Windshield wipers................................. 178
Wireless remote control key Replacing the battery........................ 431
WMA disc ............................................... 257W