According to what I read, should be able to transfer my existing features to second-hand unit? For example, I have lifetime map and speed camera updates. However, after adding to 'My Drive' account, it not updating second-hand unit with my existing feature that I purchased. In addition, the voice control is not working. Says not available for installed voice, yet it the same default voice on my original GO5000. Is this a faulty unit or am I doing something wrong?