When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
if you have the stock navi on an 07+, and have xm, you can pay 2.99 more a month and get nav traffic. It tells you if there are accidents and back ups and it will reroute you. It's all live updates.