2011 Chevrolet Volt Owner's Manual - Page 248

7-58 Infotainment System Turn List Waypoints Voice Prompt Select Voice Volume to change the volume of voice prompts and voice recognition. Select the Voice Guidance, Speech Confirmation Feedback, or Traffic Voice Prompt screen buttons to turn voice prompts on or off for each category. See "Navigation Settings" under Using the Navigation System on page 7‑39 for more information. Detour While on the surface streets, select a detour around the current route, select the Route screen, then select to detour 2, 5, or 10 km (1, 3, or 5 mi). While on the highway, select to detour 2, 5, or 10 km (5, 15, or 25 mi). Select Whole Route to detour the entire route. This is only available while driving on a route. To view the list of maneuvers for the entire route, select Turn List from the Route Menu screen. Up to three waypoints can be added to the current route, between the start point and final destination. The waypoints can be edited or deleted. To add a waypoint: 1. Press the DEST button. 2. Press the Add Waypoint screen button. This button is only available if the route has been calculated.