I live in Canada where both English and French are spoken. The problem is that when I set Waze to respond to English and then speak French street names Waze misunderstands the destinations. This means that I have to set the destinations manually on my Android phone before starting to drive. If Waze could understand French street names when the command language is set to English it would be a big help. (I'm sure that there are many countries where more than 1 language is spoken)