2008 Lexus IS 250 Owners Manual - Page 408

6-1. Specifications Electrical system 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) 5 A max. Charging rates Differential Front 0.74 qt. (0.70 L, 0.61 lmp.qt.) 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.) Hypoid gear oil API GL-5 Above 0°F (-18°C): SAE90 Below 0°F (-18°C): SAE80W or SAE80W-90 "Toyota Genuine Differential Gear Oil LT 75W-85 GL-5" or equivalent Oil capacity Rear IS250 (AWD) Oil type and viscosity* Others *: "Toyota Genuine Differential gear oil LT" is filled in your Lexus vehicle at factory 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. 412