Cruising around town in a gas-saving Chevrolet Sonic? Or perhaps you've got your name written all over the 2013 Spark's waiting list? Well, GM has some good news to share. Starting in the fall, those of you with a MyLink system on either of these rides will be able to add GogoLink navigation for around $50. The service's features include live traffic, emergency info, 3D maps, Google local search and native maps storage on smartphones to use for turn-by-turn directions when you can't get a signal. GM's saying that since GogoLink won't be out until the Spark's electrifyin
