2009 Toyota 4Runner Owners Manual - Page 496

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 key is removed with all the lights turned off) 5 A max. Charging rates Differential Vehicles with an automatic disconnecting differential 1.6 qt. (1.55 L, 1.4 Imp.qt.) Vehicles without an automatic disconnecting differential 1.5 qt. (1.4 L, 1.2 Imp.qt.) Vehicles with a rear differential lock 3.1 qt. (2.95 L, 2.6 Imp.qt.) Vehicles without a rear differential lock 3.2 qt. (3.05 L, 2.7 Imp.qt.) Toyota Genuine Differential Gear Oil LT 75W-85 GL-5 or equivalent "Toyota Genuine Differential Gear Oil" is filled in your Toyota vehicle at factory fill. Use Toyota approved "Toyota Genuine Differential Gear Oil" or an equivalent of matching quality to satisfy the above specification. Please contact your Toyota dealer for further details. Front (4WD models) Oil capacity Rear Oil type and viscosity 476