Lexus 2003 LS Owner's Manual page 366

ENGINE
– LUBRICATION SYSTEM
Oil capacity
Drain and refill
with filter
without filter
Oil grade
Recommended oil viscosity (SAE):
NOTE:
"Toyota Genuine Motor Oil" is filled in your Lexus vehicle. Use Lexus approved "Toyota Genuine Motor Oil" or equivalent to satisfy
the above grade and viscosity. Please contact your Lexus dealer for further details.
352
4.5 L (4.8 qt., 4.0 lmp.qt.)
4.2 L (4.4 qt., 3.7 lmp.qt.)
API grade SL "Energy–Conserving" or ILSAC multigrade engine oil
5W–30
62sa08
Temperature range anticipated before next oil change