If you have a key fob and have ever been curious about the circle arrow button and its function, here's what it means.

Google is testing arrow buttons icons at the end of the title link in the search result snippets. Google is also testing them in Sitelinks. I guess this is a way to communicate to searchers that ...

If navigation is ongoing without being connected to Android Auto or Carplay, there’s a dedicated button to change the icon. With either means of access, you’ll have several different icon choices.