Some navigation systems can show you a list of nearby gas stations with their per gallon gas prices, letting you find the cheapest gas. (cnet.com)
Chrysler also integrates Sirius Travel Link data into this system, which means access to fuel prices from nearby gas stations, weather, and movie times. (cnet.com)
The optional nav automatically identifies nearby gas stations when fuel level is low, and its hard drive will cache 20 minutes of radio play in the event a game or favorite broadcast is interrupted by a phone call. (autoweek.com)