Ford Focus ST 2017 Owner's Manual Supplement page 34

Motor oils of the recommended viscosity
grade that meet API SN requirements and
display the API Certification Mark for
gasoline engines are also acceptable. Do
not use oil labeled with API SN service
category unless the label also displays the
API certification mark.
E142732
An oil that displays this symbol conforms
to current engine, emission system and
fuel economy performance standards of
the International Lubricants Specification
Advisory Committee (ILSAC).
If you are unable to find an engine oil that
meets the specification defined by
WSS-M2C946-A, it is acceptable to use a
SAE 5W-30 engine oil that meets API SN
requirements and displays the API
Certification Mark for gasoline engines.
Note: Do not use more than 1.1 qt (1 L) of
the alternative engine oil between
scheduled service intervals.
Using oil and fluids that do not meet the
defined specification and viscosity grade
may lead to:
• Component damage which may not be
covered by the vehicle Warranty.
• Longer engine cranking periods.
• Increased emission levels.
• Reduced engine performance.
• Reduced fuel economy.
• Reduced brake performance.
2017 Focus ST (CDH) ST, Canada/United States of America, HM5J 19A285 AB enUSA, Edition date: 201608, Second Printing
Capacities and Specifications
Do not use supplemental engine oil
additives because they are unnecessary
and could lead to engine damage that may
not be covered by the vehicle Warranty.
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