Ford Taurus Owner's Manual page 371

An oil with this logo meets current
engine oil requirements of ILSAC
automobile manufacturers (U.S. and
Japanese).
Your engine has been designed to be used with Ford engine oil, which
gives a fuel economy benefit whilst maintaining the durability of your
engine.
Using oils other than the one specified can result in longer engine
cranking periods, reduced engine performance, reduced fuel economy
and increased emission levels.
4
Add the coolant type originally equipped in your vehicle.
5
See your authorized dealer for fluid level checking or filling.
2012 Taurus
Owners Guide, 2nd Printing
USA (fus)
Maintenance and Specifications
371