How do I install SYNC®* 3 Navigation Map updates?

You can update the maps in your SYNC 3 navigation system by downloading the latest software online or purchasing a preloaded flash drive from the SYNC 3 navigation website.

Note: The engine must be running until the installation is complete. The estimated time for the update is about 60 minutes.

Step 1: Make sure your SYNC software is up-to-date.
To check for SYNC updates, visit and enter your VIN.

To find your SYNC software version and your serial number or ESN:

  1. Tap Settings on your vehicle's SYNC screen.
  2. Select General.
  3. Tap About or About SYNC
  4. Scroll down until you see SYNC Serial Number (ESN).

Note: The ESN should start with a V or a W.

Step 2: Disable the Automatic Engine Shutdown feature (if equipped).

  1. Tap Settings on your vehicle's SYNC screen.
    SYNC 3 settings button
    Actual screens may vary. See your Owner’s Manual for information specific to your vehicle.
  1. Select Vehicle.
    SYNC 3 vehicle tab
  2. Toggle 30min Max Idle to Off.
    SYNC 3 30min max idle toggle

If your SYNC 3 screen does not have the 30min Max idle option, you can use the left-hand steering wheel controls.

  1. Scroll to Settings.
  2. Press OK to choose Vehicle.
  3. Deselect Auto Engine off.
    Auto Engine Off option

Step 3: Update the SYNC map software.

  1. Park your vehicle in a well-ventilated area. Leave the engine running.
  2. Insert the preloaded flash drive containing the new SYNC 3 navigation map software into one of your vehicle's front USB ports.
    USB ports
  3. Read the information on the messages that appear on your SYNC screen. 
    • Make sure you keep the flash drive plugged in and leave the engine running until the installation is complete. If the update is interrupted, you will need to start the update from the beginning.
    • You can drive your vehicle during the installation, but some SYNC functions will remain unavailable until the update is complete.
    • During this update, SYNC will reboot automatically.
  4. Once the installation is finished, you will see a confirmation message on your SYNC screen.
    SYNC 3 "Installation complete" message
  5. You can now remove the USB. The navigation update will take effect after you restart your vehicle.

Additional Information

What do I do if I am having trouble installing a SYNC 3 map update?
How do I check for SYNC updates?

*Don’t drive while distracted. Use voice-operated systems when possible; don’t use handheld devices while driving. Some features may be locked out while the vehicle is in gear. Not all features are compatible with all phones.