It could be an issue with the app itself. If you haven't already, check Google Maps Settings>Navigation to make sure "Play voice over bluetooth" is turned on. If it's already turned on, try turning it off and close the app. Then open the app again and turn "Play voice over bluetooth" back on again. It looks like a lot of folks have had this
How to Enable Turn by Turn Google Maps Voice Navigation … In order to turn off the voice navigation, just tap the cross button and it will be turned off. Choose the route you want to take if shown different routes and press “Start”. Google Maps voice navigation will be turned on. This was how to turn on voice navigation for Google Maps in Android. Google Maps Not Working on iPhone? Try These Fixes - … After that, check if your GPS is working properly. Update Google Maps. If there is an update available for Google Maps, you’ll need to update the app because this may be what’s causing the issue. New updates in the App Store clear up bugs that were causing the app not to work previously. To update Google Maps: Go to the App Store How to Fix "Google Maps Not Working" Issue Quickly?
2018-4-11
Google Maps voice navigation would look like a phone call so you can hear the driving directions through your Bluetooth car speaker. 5. Turn off the Bluetooth device. In the event that your phone is unable to establish an appropriate connection with your Bluetooth device or car radio, the voice navigation function of Google Maps will not work. Aug 09, 2011 · Google maps used to have voice commands (which has stopped working hence this thread). Navigation has always worked fine but only for driving. No good for walking (it won't let you go the wrong way down a one-way street for example). However it now seems to have acquired an option for "walking" which wasn't shown before. Jan 28, 2019 · This tutorial is about how to turn on voice navigation on google maps. This tricks only works if you install the 2019 released new update of google map app. Now a day most of the people enable
"Ok Google" not working on many phones: here's how to fix it
2017-2-16 What can I do when Google Voice isn't working? - Quora