https://forums.garmin.com/showthread.php?263014-GPS-Performance-Related-Issues&p=616284#post616284
Garmin stands behind the fenix 3 and the satisfaction of our customers. Any customers experiencing issues with their device should contact their local support center. If after review the device is determined to be defective, Garmin will replace the device at no charge.
Additionally, Garmin is working to validate a firmware update to improve performance in regards to distance accrual that has been witnessed by customers in specific situations.
Please continue to be patient with us as we continue to work through this.
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