On Google maps on mobile, you should be able to touch the volume icon, then pick one of three audio modes, on, off, or one in between where I think it just give

On Google maps on mobile, you should be able to touch the volume icon, then pick one of three audio modes, on, off, or one in between where I think it just gives you warnings but not street by street directions (has a speaker with a ! next to it as an icon. But it only shows up when you are actually routing