Opening the trunk
Press 
twice within three
seconds to open the trunk.
• Ensure that the trunk is closed and latched before driving your vehicle. Failure to properly latch the trunk may cause objects to fall out or block the driver’s rear view.
See also:
Troubleshooting
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Vehicle storage
If you plan on storing your vehicle for an extended period of time
(30 days or more), refer to the following maintenance recommendations
to ensure your vehicle stays in good operating condition.
...
Using MyKey with remote start systems
MyKey is not compatible with non-Ford approved aftermarket remote
start systems. If you choose to install a remote start system please see
your authorized dealer for a Ford approved remote start s ...