Technically, it’s really just an issue with semantics. You may have a weak or insecure internet connection This functionality works in countries where google map turn by turn navigation with voice support is available
No Google Maps Start Button, only Preview? Here's How to Fix
Otherwise you will be preview mode, still problem persists, contact device manufacturer and confirm your device is compatible with google map map turn by turn navigation with voice support.
Did you ever resolve this
I am just encountering the same issue Opens in google maps app, it only shows preview but no option for navigation. If the video does not work try the following 1) long hold on maps icon on homescreen 2)choose app info, 3) choose location select allow all the time or allow only while using app
Learn why google maps only shows preview and how to resolve common issues like incorrect address formatting, misspelled street names, and incomplete map data. If you have a problem with google maps only showing directions for the desired destination but you don't see the start button, read on. Why won't my google maps start directions If you're trying to use google maps but it's not working, there could be a few different reasons