When you are in bing maps and you hit the search button, does the phone brings you to Bing Maps in internet explorer?

Change these settings on your Windows Phone 7 in order to use Bing Maps navigation:
Go to Settings/Region and Language, change the last option “Browser & Search language” to “English United States”.

From now on you can use the search button in maps and enter a street address or postcode (for postcodes make sure you don’t use spaces)

en Settings/Region and Language, verander onderaan je “Browser & Search language” naar “English United States”.