M835 Metro Navigator Doesn't Speak To Me

Phone is : Huawei M835.. I just got this phone last week, and the metro navigator gives me directions on where i'm going to, but only with on-screen instructions. I had another metropcs phone that was worse then this, that told me (spoke) where to turn and what not.what am i doing wrong, or does this phone not have voice activated gps?  I used to hit the enter button on my other metrpcs phone for having the woman's voice speak to me.... any help would be appreciated.