If your contacts didn't download during pairing or if you've added new numbers, you can force a manual update based on your SYNC version: How do I use the SYNC phonebook in my Ford?
: This is the most critical step. Your phone will prompt you to "Allow SYNC to access your contacts and call history." Tap Allow or Yes on your phone to start the download. How to Manually Download Contacts
: Select your vehicle on your phone’s Bluetooth list. Confirm that the six-digit PIN on your phone matches the one on the SYNC screen.
: On your Ford SYNC touchscreen, select Settings > Bluetooth > Add Phone .
The most efficient way to download contacts is to grant permission during the initial Bluetooth pairing process.