Ford 2010 Transit Connect Owner's Manual page 64

Locks and Security
Replacing the battery
The remote entry transmitter uses one coin type three-volt lithium
battery CR2032 or equivalent.
To replace the battery:
1. Carefully separate the transmitter
unit from the key using a flat object
(e.g. a screwdriver) at the recess on
the back.
2. Open the transmitter unit by
separating the retaining clips on the
sides with the flat object.
3. Remove the old battery.
Note: Please refer to local
regulations when disposing of
transmitter batteries.
4. DO NOT TAKE THE PLASTIC
COVER AND CIRCUIT BOARD OFF
THE FRONT HOUSING OF THE
REMOTE ENTRY TRANSMITTER.
5. Do not wipe off any grease on the
battery terminals or the back
surface of the circuit board.
6. Insert the new battery. The positive + terminal should face upwards.
Press the battery down to ensure that the battery is fully seated in the
battery housing cavity.
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