This is well detailed and illustrated in the Owners Manual - See "Related Questions" below for links to free Owners Manual downloads links...
D O T ( 3 ) brake fluid
In a 2003 Ford Taurus : The brake fluid reservoir is in the engine compartment , near the firewall , towards the drivers side of the engine compartment ( the firewall is the metal wall that divides the engine compartment from the passenger compartment )
DOT 3 brake fluid
DOT ( 3 ) brake fluid ( according to the 2005 Ford Taurus Owner Guide )
For a 1993 Ford Taurus : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A )
In a 1999 Ford Taurus : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A )
DOT ( 3 ) brake fluid
DOT ( 3 ) brake fluid meeting Ford specification ( ESA-M6C25-A )
For a 1998 Ford Taurus : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A )
DOT ( 3 ) brake fluid meeting Ford specification ( ESA-M6C25-A )
D O T ( 3 ) brake fluid
DOT3