low oil pressure Lexus IS250C 2012 Instrument cluster / LEXUS 2012 IS250C,IS350C OWNERS MANUAL (OM53A62U)

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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 2 6 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used only for adding engine oil)
Fuses ( P. 4 5 8 )• Fuse with same amperage rating as
original
Tire inflation pressure ( P. 4 4 7 )• Tire pressure gauge
• Compressed air source
Headlight aim ( P. 4 7 3 )• Phillips-head screwdriver
Radiator and condenser ( P. 4 3 1 )
Wa s h e r f l u i d ( P. 4 3 6 )
• 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
(U.S.A)
(Canada) (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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Alphabetical index
Warning buzzersBrake system ....................................... 495
Open door .......................................... 497
Seat belt reminder ............................ 497
Warning lights Anti-lock brake system .................. 496
Brake assist system .......................... 496
Brake system ....................................... 495
Charging system ............................... 495
Electric power steering systemwarning light ..................................... 496
Low fuel level....................................... 497
Malfunction indicator lamp .......... 496
Master warning light ........................ 497
Open door ........................................... 497
Pre-collision system ......................... 496
Pretensioners ...................................... 496
Seat belt reminder light .................. 497
SRS airbags .......................................... 496
Tire pressure warning light........................................................ 497
Warning messages Dynamic radar cruise control ...................... 505, 507
Engine oil level .................................... 507
Engine oil maintenance.................. 507
Engine oil pressure........................... 504
Hood ....................................................... 507
Intuitive parking assist ........ 505, 507
Open door ........................................... 507
Parking brake ...................................... 507
Pre-collision system ............ 505, 507
Retractable hardtop ............ 505, 507 Smart access system with
push-button start ............................. 514
Steering lock........................................ 505
Trunk ....................................................... 507
Washer fluid ........................................ 507
Washer Checking ...............................................436
Preparing and checking before winter ....................................238
Switch........................................................ 187
Washing and waxing ...........................402
Weight Cargo capacity ................................... 234
Load limits ............................................. 237
Weight.................................................... 560
Wheels ....................................................... 451
Window glasses ...................................... 82
Window lock switch ...............................83
Windows Power windows ..................................... 82
Rear window defogger................... 257
Washer .................................................... 187
Windshield wiper de-icer..................258
Windshield wipers................................. 187
Wireless remote control key Replacing the battery...................... 456
WMA disc* ............................................. 277W
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.