Motorola HD Vehicle Navigation Dock for Motorola DROID RAZR HD/RAZR MAXX HD - Retail Packaging Take it on a joy ride. Jam to your favorite music pumped right through your vehicle's speakers using the 3.5mm audio jack. Drive Smarter. Smart modes give you one-touch access to all of your in-car needs. Choose from navigation, calling, music or voice command menus and customize with your favorite apps. Send automatic replies, have incoming callers announced, or text messages read out with Smart actions.