The 2009 Ford Focus typically uses a specific type of antifreeze known as Motorcraft Premium Antifreeze/Coolant, which is a 50/50 mixture of ethylene glycol and water. It's important to use a coolant that meets the Ford specification WSS-M97B51-A1. Always refer to the owner's manual for the exact specifications and recommendations for your vehicle.
Green
The 2009 Ford Focus has double overhead cam (DOHC).
probably dex-cool but there is antifreeze that will mix with anything they are doing away with dex-cool
Ford Gold or Universal Gold Antifreeze
Any brand of antifreeze can be used in a 2001 Ford Taurus such as Prestone. The antifreeze can be 50 50 antifreeze.
I use Sierra at 50-50%. It's environmentally friendly, i.e: non-toxic.
Ford Dealers carry the Orange colored Antifreeze for Jags
mostly the liquid type
According to the 1998 Ford Contour Owner Guide it came with ( green color antifreeze ) meeting Ford specification ( ESE-M97B44-A )
On a 1992 Ford F-250 : If it has a gasoline engine : GREEN color antifreeze , meeting Ford specification ESE-M97B44-A
For a 1995 Ford Crown Victoria : It came from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A ) Ford states not to exceed 60 % antifreeze in the mixture
A Ford Aerostar would have come from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A )