Vehicles are equipped with a 12-volt, maintenance-free battery.
The battery and cable system consists of the following components:
The battery is a 12V DC source connected in a negative ground system. The battery case is sealed with 2 vent holes to release gases. The battery has 3 major functions:
Ford Motor Company strongly recommends that lead-acid batteries be returned to an authorized recycling facility for disposal.
Ford Focus Principle of operation
Outside air
Keep the air intakes forward of the
windscreen free from obstruction (snow,
leaves etc.) to allow the climate control
system to function effectively.
Recirculated air
CAUTION:
Prolonged use of recirculated air may
cause the windows to mist up. If the
windows mist up, follow th ...