Lexus GS 350 Owner's Manual page 617

616
8-1. Specifications
How to read oil container labels:
Either or both API registered marks are added to some oil containers to help
you select the oil you should use.
API Service Symbol
1
Top portion: "API SERVICE SN"
means the oil quality designation by
American Petroleum Institute (API).
Center portion: "SAE 0W-20"
means the SAE viscosity grade.
Lower portion: "Resource-Conserv-
ing" means that the oil has fuel-saving
and environmental protection capa-
bilities.
ILSAC Certification Mark
2
The International Lubricant Specification Advisory Committee (ILSAC) Certifica-
tion Mark is displayed on the front of the container.
GS350_300_GS F_OM_OM30J17E_(GE)