Lexus LS 600h L 2012 Owner's Manual page 557

6-1. Specifications
Front differential
Oil capacity
Oil type and viscosity*
*
: Your Lexus vehicle is filled with "Toyota Genuine Differential Gear Oil" 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.
Rear differential
Oil capacity
Oil type and viscosity*
*
: Your Lexus vehicle is filled with "Toyota Genuine Differential Gear Oil" 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.
554
0.79 qt. (0.75 L, 0.66 Imp. qt.)
Toyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
1.42 qt. (1.35 L, 1.19 Imp. qt.)
Toyota Genuine Differential gear oil LX
75W-85 GL-5 or equivalent