Will my navigation system be able to access all traffic information as XM NavTraffic grows?
That may depend upon your navigation system. Displaying XM NavTraffic data requires a map database from NAVTEQ or TeleAtlas. If your map database is outdated, you may not be able to see all of the available XM NavTraffic data. Also, traffic data is available only for major markets. Contact your dealer or aftermarket navigation system provider for more information.