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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 satisfy 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 rates 5 A max.
Oil capacity
Front 0.74 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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