How do I maked starred places in Navagation. The directions state, " You can star search results in Google Maps by tapping the star icon near the address."

I have to go to Google Maps? After I find a location in Navigation, how can I star it without going to Maps? I know there are layers that will show when I get to the location, but that seems kind of clumsey when looking for a parking place and having to play with the Droid before one gets out of the car.