Today, Garmin announced new social features for its StreetPilot onDemand subscription-based navigation app at Macworld | iWorld 2012 in San Francisco. The iPhone application also gains new voices, icons, and revised 3D rendering.

Mavia is a small box with GPS receiver and 3G-nework cellular access that plugs into your vehicle’s OBD-II port, a connector found in every 1996 and newer vehicle. The OBD-II port can access information about your vehicle such as trouble codes (to interpret that dreaded check engine light), vehicle speed, and mileage. Mavia can access this data and send it to the Internet. So what? Well, a lot can be done with this information.

Sony displayed two aftermarket A/V car receivers at the 2012 Consumer Electronics Show (CES) that not only control your smartphone, but they can become your smartphone. The new XAV-601BT and XAV-701HD stereos feature large touch screens that can look and function just like your phone, allowing some or all of the functionality on a larger screen that is easier to access.

Audi brought some interior bits from the upcoming A3 redesign to the Consumer Electronics Show (CES) in Las Vegas. While the console, dash, and other pieces on exhibit don’t give any hints of what the exterior of the redesigned compact will look like, the display makes a dandy way to show some new features coming to Audi Connect.

Navigation data provider Telenav launched a new app called Scout at the 2012 Consumer Electronics Show (CES) that is designed to provide personalized navigation, entertainment, and convenience features across different platforms, including a smart phone, the car, or a personal computer.

Joining the ranks of carmakers offering an ever-increasing range of telematics services, Kia’s new e-Services launched at CES leverages a user’s smart phone connection à la Ford SYNC to provide a suite of navigation, diagnostics, safety, and convenience features.

Mercedes-Benz has introduced a revamped version of its mbrace telematics system, with additional features and services, enhanced smart phone-based remote access, and the ability for users to make cloud-based updates as they become available.

TomTom and Fisker Automotive have inked a deal making the GPS device maker the exclusive provider of built in navigation for the new Karma luxury sedan for three years.

At the 2012 Consumer Electronics Show in Las Vegas today, TomTom introduced three new model lines of GPS navigators. The new line-up of personal navigation devices are designed to simplify consumer choices—especially with the exploding growth of smart phones with GPS capabilities and wireless connections.

The latest version Ford’s free SYNC Destinations app for cell phones will let SYNC Services subscribers send directions remotely to their vehicle from their smart phone using SYNC AppLink. Previously, users could only send directions to their car from a desktop computer or laptop.

Magellan is expanding its line of handheld GPS devices with the addition of the eXplorist 110. Targeting casual hikers, the eXplorist 110 joins the Triton 300 and Triton 400 as an affordable entry into GPS-guided outdoor activities.

A new Garmin app launched at CES lets Android users use their phone and data plan to add live services to compatible Garmin Nuvi GPS navigation devices.

With more features, a larger screen, and the same $400 retail price as the Nuvi 3490 LMT that currently slots in as Garmin’s top-of-the-line model, the new 3590 LMT is aimed at power users wanting all the bells and whistles they can get crammed into one device.

Magellan is launching niche-oriented GPS devices at the 2012 Consumer Electronics Show (CES), with the 7-inch RoadMate RV9145 for RV drivers and this new 5-inch RoadMate 5190T for commercial truck drivers. Both units share a variety of functions, though they are oriented toward specific uses.

At the 2012 Consumer Electronics Show (CES), Magellan will unveil a new, “entry-level” GPS navigator targeting RV drivers. The RoadMate RV9145 is loaded with features tailored to the unique needs for these large rigs, from multi-destination routing to RV park guides.