There may be a problem with the mapping files if the message "Detailed maps are required for routing. No detailed maps were found on this device" is displayed after turning on an automotive device. The message “Map data is not available” may display when searching for a destination. This may cause the device to show only the locations of major cities or major highways with no side streets.

To Correct This Issue:

See the detailed video below to troubleshoot this issue.

Ensure Garmin Express is up to date and reinstall the maps
- See Garmin Express Fails to Complete the "Downloading Files" Stage or Error Installing Message if the install does not complete.
For “No detailed maps were found on this device ” - if it cannot be dismissed by pressing OK or the back button, press and hold your finger on the message to clear it
- If the device displays "Can't Unlock Maps" after clearing the message, follow the instructions in Correcting the Message "Can't Unlock Maps" or "Can't Authenticate Maps" on a Garmin Automotive Device
Ensure the map is enabled on the device by following the steps below if the device is not showing map detail.

1. Touch the Settings wheel

2. Touch Map and Vehicle

3. Touch myMaps

4. Enable the maps

- - The map is enabled if a checkmark is present.
  - Touch the empty box if a checkmark is missing.
  - See the additional troubleshooting below if the map is missing or the page is blank.

5. Touch OK

Additional Troubleshooting if the Map is Missing from the Device or was Already Enabled:

Ensure the memory card is inserted and formatted properly if the maps were installed to a memory card.
- See Formatting the Memory Card on an Automotive Device for instructions
  - After formatting:
    - Ensure Garmin Express is up to date
    - Reinstall the map on the device
    - See Garmin Express Fails to Complete the "Downloading Files" Stage or Error Installing Message if the install does not complete.

See Troubleshooting Wireless Updates on an Automotive Device if you encounter issues updating via Wi-Fi.