IPhone 5 apple maps voice navigation not working?

So i just got a brand new iPhone 5 with a vodafone plan, and upon using the Apple Maps app, and selecting a route when driving, the phone didn't speak to me the directions and go to the next step of the directions. I have gone to settings in Apple maps and changed the voice to loud and stuff like that. How can i get the app to work?

There are so many things wrong with the app it's insane. Until they fix it, just use mapquest.

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