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The remote entry system allows you to open the trunk while the ignition
is in any position. However, if the ignition is in the on position and the
vehicle is in motion, the trunk will not open if the vehicle is moving
3 mph (5 km/h) or faster.
In the event of battery failure, you
can open the trunk on the
convertible by using your master
key in the key cylinder between
the seat cushion located in the
back seat on the driver’s side.
Replacing the battery
The integrated keyhead transmitter uses one coin type three-volt lithium
battery CR2032 or equivalent.
To replace the battery:
1. Twist a thin coin in the slot of the
IKT near the key ring in order to
remove the battery cover.
Note: Do not wipe off any grease on
the battery terminals on the back
surface of the circuit board.
2. Remove the old battery.
Note: Please refer to local
regulations when disposing of
transmitter batteries.
3. Insert the new battery. Refer to
the instructions inside the IKT for
the correct orientation of the
battery. Press the battery down to
ensure that the battery is fully
seated in the battery housing cavity.
4. Snap the battery cover back onto
the key.
Locks and Security
99
2010 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)