2011 Lexus IS F Owners Manual - Page 501

6-1. Specifications Ignition system Spark plug Make Gap NOTICE n Iridium-tipped spark plugs DENSO FK20HBR11 0.043 in. (1.1 mm) Use only iridium-tipped spark plugs. Do not adjust gap when tuning the engine. 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 Oil capacity Oil type and viscosity* 1.42 qt. (1.35 L, 1.19 Imp. qt.) "Toyota Genuine Differential Gear Oil LX 75W-85 GL-5" or equivalent *: "Toyota Genuine Differential Gear Oil" is put in your Lexus vehicle at the factory. Use Lexus approved "Toyota Genuine Differential Gear Oil" or an equivalent of matching quality to satisfy the above specification. Please contact your Lexus dealer for further details. 508