So I've sent two emails to Garmin customer service (one on 5/7 and another on 5/11) and other than the automatic response I have heard nothing about my issues. What is worse if it seems that the emails are just an "noreply" message, so I have no way to check my status other than to contact customer service again.
I have also e-mailed them twice and find the term service to be a joke. They say 3 business days but first time was not 3 days and response seemed to be a script that repeated exactly what I had told them I had already tried. Second message has had no response and going on 5 days now.
Granted, email response should be better than what you're reporting and quality of verbal response on phone can vary. As I said above, I've had good luck on the phone as have others who have weighed in. So a call may be productive, but if you don't want to, don't.
I've almost always had good support experiences, over more than a decade, when I call. It's one of the reasons I keep buying Garmin. (10 devices so far, plus recommendations to others.) Email, not so much.