If your Garmin watch is showing a blue triangle, you’re not alone—users of Forerunner, Fenix, and Epix watches have been reporting this issue since January 28, and Garmin is looking into it ...

So, if you have a Garmin device and you haven't seen the blue triangle yet, you might be wise to avoid GPS activities until there's a proper fix in place.

The blue triangle issue may have been triggered by starting a GPS activity, which Garmin acknowledged in its initial statement, but the company has not confirmed whether this is the precise cause ...