Before you can use the SOS function, you must have an active satellite subscription. Always test your device before you use it outdoors.


Ensure you have a clear view of the sky when using the SOS function, because this feature requires satellite access to operate properly.


Some jurisdictions regulate or prohibit the use of satellite communications devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used.

During an emergency, you can use your GPSMAP® 66i device to contact the Garmin Response℠ center to request help. Pressing the SOS button sends a message to the Garmin Response team, and they notify the appropriate emergency responders of your situation. You can communicate with the Garmin Response team during your emergency while you wait for help to arrive. You should only use the SOS function in a real emergency situation.

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August 2023