change the location-permission dialog in iOS using google maps api v3

Hello everyone,

I'm using the google maps javascript API v3 to display a map in a UIWebView.

However, when the dialog to ask for the user's permission for locationServices pops up, I get a pretty long, cryptic string. With CoreLocation, I can add a convenient message (purpose) to display another message, however, I cannot use CoreLocation here (for various reasons) as the webpages asks for the permission although "the app may already have it".

How can I change this dialog's text to something more user friendly?

thanks in advance!!

See the attached file if you don't know what I mean.