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4-3. Do-it-yourself maintenance
■Adding engine oil
If the oil level is below or near the
low level mark, add engine oil of
the same type as already in the
engine.
Make sure to check th e oil type and prepare the items needed before
adding oil.
Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise.
It takes about 1.6 qt. (1.5 L, 1.3 lmp.qt.) to raise the oil level from low to full on the
dipstick.
Oil gradeILSAC multi-grade engine oil
ItemsClean funnel
STEP1
STEP2
STEP3
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412
6-1. Specifications
Electrical system
Differential
*: “Toyota Genuine Differential gear oil LT” is filled in your Lexus vehicle at fac-tory fill. Use Lexus approved “Toyota Genuine Differential gear oil LT” or an
equivalent of matching quality to satisf y the above specification. Please contact
your Lexus dealer for further details.
Battery
Open voltage* at
68 F (20 C):12.6 12.8 V Fully charged
12.2
12.4 V Half charged
11.8
12.0 V Discharged
(*: Voltage checked 20 minutes after
the engine and all the lights are turned
off)
Charging rates5 A max.
Oil capacity
Front0.74 qt. (0.70 L, 0.61 lmp.qt.)
Rear
IS350:
1.42 qt. (1.35 L, 1.19 lmp.qt.)
IS250 (2WD models): 1.20 qt. (1.15 L, 1.01 lmp.qt.)
IS250 (AWD models): 1.10 qt. (1.05 L, 0.92 lmp.qt.)
Oil type and
viscosity*
IS250 (AWD)
Hypoid gear oil API GL-5 Above 0 F (-18 C): SAE90
Below 0 F (-18 C): SAE80W
or SAE80W-90
Others
“Toyota Genuine Differential
Gear Oil LT 75W-85 GL-5” or
equivalent
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6-1. Specifications
6
Vehicle specifications
Automatic Transmission
*: The fluid capacity is provided as a reference. If replacement is necessary, con-tact your Lexus dealer.
Manual Transmission
Clutch
IS350IS250 (2WD)IS250 (AWD)
Fluid capacity*7. 5 q t .
(7.1 L, 6.2 lmp.qt.)7. 5 q t .
(7.1 L, 6.2 lmp.qt.)9.4 q t .
(8.9 L, 7.8 lmp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
Using automatic transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied by vibra-
tion, and ultimately damage the auto matic transmission of your vehicle.
Gear oil capacity1.9 qt. (1.8 L, 1.6 Imp.qt.)
Gear oil typeAPI GL-5
Recommended gear oil viscositySAE75W-90
NOTICE
Using manual transmission gear oil other than “TOYOTA Genuine Manual
Transmission Gear Oil API GL-5” may cause occurrence of gear noise or other dete-
rioration.
Clutch free play0.2 0.6 in. (5 15 mm)
Fluid typeSAE J1703 or FMVSS No.116 DOT 3
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GAS STATION INFORMATION
Auxiliary catch leverP. 2 8 9Trunk openerP. 4 1Fuel filler door P. 6 9
Hood lock release lever P. 2 8 9Fuel filler door openerP. 6 9Tire inflation pressureP. 4 1 5
Fuel tank capacity17.2 gal. (65 L, 14.3 lmp.gal.)
Fuel typeUnleaded gasoline only P. 70, 409
Cold tire inflation
pressureP. 4 1 5
Engine oil capacity
(Drain and refill)
qt. (L, Imp.qt.)
IS250 IS250
(2WD models) (AWD models) IS350
With filter 6.6 (6.3, 5.5) 6.8 (6.4, 5.7) 6.6 (6.3, 5.5)
Without filter 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. 410
Recommended oil viscosity: SAE 5W-30