Owner's Manual
Page 304
...locate the reservoir, see the diagram of your vehicle's engine under Engine Type, in the reservoir should be a low coolant warning light in the Maintenance Schedule and Record booklet. The engine coolant reservoir (3.0L Vulcan shown - 3.0L Duratec similar) The coolant level in this chapter. There...Repair or replace with Motorcraft hoses or equivalent as specified in the instrument cluster which will light when the coolant level is low. The coolant additives also protect the entire cooling system from internal passageway corrosion and these additives lubricate the water pump. ...
...locate the reservoir, see the diagram of your vehicle's engine under Engine Type, in the reservoir should be a low coolant warning light in the Maintenance Schedule and Record booklet. The engine coolant reservoir (3.0L Vulcan shown - 3.0L Duratec similar) The coolant level in this chapter. There...Repair or replace with Motorcraft hoses or equivalent as specified in the instrument cluster which will light when the coolant level is low. The coolant additives also protect the entire cooling system from internal passageway corrosion and these additives lubricate the water pump. ...