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Battery, Maintenance and specifications – FORD 2012 Focus v.3 User Manual

Page 341

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BATTERY

Your vehicle is equipped with a
Motorcraft

௡ maintenance-free

battery which normally does not
require additional water during its
life of service.

If your battery has a cover/shield, make sure it is reinstalled
after the battery has been cleaned or replaced.

For longer, trouble-free operation, keep the top of the battery clean and
dry. Also, make certain the battery cables are always tightly fastened to
the battery terminals.

If you see any corrosion on the battery or terminals, remove the cables
from the terminals and clean with a wire brush. You can neutralize the
acid with a solution of baking soda and water.

It is recommended that the negative battery cable terminal be
disconnected from the battery if you plan to store your vehicle for an
extended period of time. This will minimize the discharge of your battery
during storage.

To ensure proper operation of the battery management system (BMS),
any electrical devices that are added to the vehicle should not have their
ground connection made directly at the negative battery post. A
connection at the negative battery post can cause inaccurate
measurements of the battery condition and potential incorrect system
operation.

Note: Electrical or electronic accessories or components added to the
vehicle by the dealer or the owner may adversely affect battery
performance and durability and may also affect the performance of other
electrical systems in the vehicle.

When a battery replacement is required, the battery should only be
replaced with a Ford recommended replacement battery that matches
the electrical requirements of the vehicle.

Maintenance and Specifications

340

2012 Focus (foc)
Owners Guide, 3rd Printing
USA
(fus)