Filed under: GPS, Transportation, WirelessIf you've been warming to those OnStar assistants when dialing up to get directions, you've now got a couple more reasons to pretend that you're lost. The first enhancement to its existing turn-by-turn service is Destination Download, which essentially enables subscribers with screen-based NAV systems to have routes beamed in without the driver having to pull over and manually enter them. Moving on, we see the official rollout of the long-awaited