2012 Lexus IS250 fuel cap

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5-2. Steps to take in an emergency
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The lamp will go off after taking several driving trips.
If the lamp does not go off even after several trips, contact your Lexus dealer as
soon as possible.
■Electric power steering warning light
When the battery is low or when the voltage drops temporarily, the electric power
steering warning light may come on.
■Front passenger detection sensor and pass enger seat belt reminder and warning
buzzer
●If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash and the warning buzzer to sound,
even if a passenger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pressing the
satellite switch does not turn off the tire pressure warning light.
■The tire pressure warning light may turn on due to natural causes
The tire pressure warning light may turn on due to natural causes such as natural air
leaks or tire inflation pressure changes caus ed by temperature. In this case, adjust-
ing the tire inflation pressure will turn off the warning light (after a few minutes).
■When a tire is replaced with a spare tire
The compact spare tire is not equipped wi th the tire pressure warning valve and
transmitter. If a tire goes flat, the tire pressure warning light will not turn off even
though the flat tire is replaced with the spare tire. Replace the spare tire with the
repaired tire and adjust the proper tire inflation pressure. The tire pressure warning
light will turn off after a few minutes.

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6-1. Specifications
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
*1: Unladen vehicle
*2: Vehicle with 18-inch tires
*3: Vehicle with tires other than the above on rear wheels
Overall length180.3 in. (4580 mm)
Overall width70.9 in. (1800 mm)
Overall height *1
2WD
models56.1 in. (1425 mm)
AW D
models56.7 in. (1440 mm)
Wheelbase107.4 in. (2730 mm)
Tr e a d
Front60.4 in. (1535 mm)
Rear60.0 in. (1525 mm)*2
60.4 in. (1535 mm)*3
Vehicle capacity weight
(Occupants + luggage)825 lb. (375 kg)

523
6-1. Specifications
6
Vehicle specifications
Engine
Fuel
IS250IS350
Model4GR-FSE2GR-FSE
Ty p e6-cylinder V type,
4-cycle, gasoline6-cylinder V type,
4-cycle, gasoline
Bore and stroke3.27 3.03 in.
(83.0  77.0 mm)3.70  3.27 in.
(94.0  83.0 mm)
Displacement 152.5 cu.in.
(2500 cm3)
210.9 cu.in.
(3456 cm3)
Drive belt tensionAutomatic adjustment
Fuel typeUnleaded gasoline only
Octane rating91 (Research octane number 96) or higher
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)

524
6-1. Specifications
Lubrication system
*: The engine oil capacity is a reference quantity to be used when changing theengine oil. Warm up and turn off the engine, wait more than 5 minutes, and
check the oil level on the dipstick.
IS250
■ Engine oil selection
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil” or equivalent to satisfy the follow-
ing grade and viscosity.
Oil grade: ILSAC multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good
starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced with
SAE 0W-20 at the next oil
change.
Oil capacity
(Drain and refill 
reference*)
without filter
2WD models
AWD models
6.2 qt. (5.9 L, 5.2 Imp. qt.)
6.3 qt. (6.0 L, 5.3 Imp. qt.)
with filter
2WD models
AWD models
6.6 qt. (6.3 L, 5.5 Imp. qt.)
6.7 qt. (6.4 L, 5.6 Imp. qt.)
Outside temperature

546
6-1. Specifications
■Temperature A, B, C
The temperature grades are A (the highest), B, and C, representing
the tire's resistance to the generation of heat and its ability to dissipate
heat when tested under controlled conditions on a specified indoor
laboratory test wheel.
Sustained high temperature can cause the material of the tire to degenerate
and reduce tire life, and excessive temperature can lead to sudden tire fail-
ure.
The grade C corresponds to a level of performance which all passenger car
tires must meet under the Federal Mo tor Vehicle Safety Standard No. 109.
Grades B and A represent higher levels of performance on the laboratory
test wheel than the minimum required by law.
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excess ive loading, either separately or in
combination, can cause heat buildup 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 equipp ed, air conditioning and
additional weight optional engine

582
Alphabetical index
Front seatsAdjustment............................................... 56
Driving position memory.................. 58
Front turn signal lights Switch ........................................................154
Wattage..................................................536
Fuel Capacity ................................................. 523
Fuel gauge ............................................. 158
Fuel pump shut off system ............ 470
Gas station information.................. 592
Information............................................ 537
Refueling ................................................... 87
Fuel door ..................................................... 87
Fuel filler door ........................................... 87
Fuel pump shut off system ................. 470
Fuses ..........................................................435
Garage door opener ..........................360
Gas station information......................592
Gauges ...................................................... 158
Glove box ............................................... 330
Glove box light ..................................... 330 Hands-free system
for mobile phone* ............................. 294
Hazard lights Switch .......................................................462
Head restraints Adjusting .................................................. 62
Headlight aim ......................................... 450
Headlight cleaner.................................. 185
Headlights Discharge headlight precautions ....................................... 459
Replacing light bulbs ......................... 451
Switch .........................................................172
Wattage ................................................. 536
Heaters Seat heaters ............................. 345, 348
Side mirror............................................. 224
Hill-start assist control ..........................196
Hood .......................................................... 394
Hooks Cargo.......................................................357
Coat ......................................................... 355
Shopping bag ......................................357
Horn ............................................................. 157
G
H

592
GAS STATION INFORMATION
Auxiliary catch leverP. 3 9 4Trunk openerP. 5 2Fuel filler door P. 8 7
Hood lock release lever P. 3 9 4Fuel filler door openerP. 8 7Tire inflation pressureP. 5 3 1
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel typeUnleaded gasoline only P. 88, 523
Cold tire inflation
pressureP. 5 3 1
Engine oil capacity
(Drain and refill 
reference)
qt. (L, Imp. qt.)
(2WD models) (AWD models)
Without filter 6.2 (5.9
, 5.2)6.3 (6.0, 5.3)
With filter 6.6 (6.3, 5.5) 6.7 (6.4, 5.6)
Engine oil typeToyota Genuine Motor Oil or equivalent
Oil grade: ILSAC multigrade engine oil P. 524