Note:  You can hear voice instructions only while driving and when the screen is on.

If you can't hear voice instructions:
  • Please make sure that your device media volume is not muted. You can change the volume with the device’s volume buttons. To do that, you may need to disable "Change with Buttons" option (if enabled) in the device settings → Sounds;
  • If you've turned on Bluetooth, check your car audio,
  • If you are an Android user and the option in the app is disabled, please check system Text To Speech (TTS) Settings