See your DeVille owner manual and the navigation manual for more information on your navigation/radio system.

CDX ERROR: This message will appear when you press the CD hard key while the map DVD is installed in the navigation system. The CD changer is not available with the navigation option in the DeVille Protection Series.

Your vehicle may have a navigation radio system.

The navigation system has built-in features intended to minimize driver distraction. Technology alone, no matter how advanced, can never replace your own judgment. See the Navigation System manual for some tips to help you reduce distractions while driving.