2011 Chevrolet Volt Owner's Manual - Page 266

7-76 Infotainment System . Problems with Route Guidance Inappropriate route guidance can occur under one or more of the following conditions: . The route prohibits the entry of a vehicle due to a regulation by time or season or any other regulation which may be given. Some routes might not be searched. The route to the destination might not be shown if there are new roads, if roads have recently changed, or if certain roads are not listed in the map data. See Maps on page 7‑44 for more information. Ordering Map DVDs The map data in the vehicle is the most up-to-date information available when the vehicle was produced. The map data is updated periodically, provided that the map information has changed. For questions about the operation of the navigation system or the update process, contact the GM Nav Disc Center toll‐free phone number, 1‐877‐NAV‐DISC (1‐877‐628‐3472) or go to the center's website, www.gmnavdisc.com. If updates are needed, call the GM Nav Disc Center or order a new disc online. To order a disc, have the vehicle's Vehicle Identification Number (VIN) available. See "Vehicle Identification Number (VIN)." After receiving the updated disc, see "Installing the DVD Map Disc" under Maps on page 7‑44 for more information. . The turn was not made on the road indicated. Route guidance might not be available when using automatic rerouting for the next right or left turn. The route might not be changed when using automatic rerouting. There is no route guidance when turning at an intersection. Plural names of places might be announced occasionally. It could take a long time to operate automatic rerouting during high-speed driving. Automatic rerouting might display a route returning to the set waypoint if heading for a destination without passing through a set waypoint. . . . . To recalibrate the vehicle's position on the map, park with the vehicle on for two to five minutes, until the vehicle position updates. . . If the System Needs Service If the navigation system needs service and the steps listed here have been followed but there are still problems, see your dealer for assistance. .