5 (Phone): Press this key to access calling throughOnStar® . See Phone on page 5-2 for more information.See “OnStar® System” in the Index of your vehicle’sowner manual for more information.e (Sound): Press this key to access the Soundscreen to adjust bass, midrange, treble, and DigitalSignal Processing (DSP). See “Sound Menu” underNavigation Audio System on page 3-2 for moreinformation.DEST (Destination): Press this key to access theDestination Entry screen to plan a destination.See Destination on page 2-13 for more information.CONFIG (Configure Menu): Press this key to adjustfeatures for sound, radio, navigation, and the display.See Configure Menu on page 2-28 for more information.NAV (Navigation): Press this key to view yourvehicle’s current position on the map screen. Eachpress of this key will cycle through Full Map and the tabthat displays the current audio source (AM, FM, CD,etc.). Full Map displays the screen in full map view.Selecting the audio tab will split the screen between themap screen and the current audio source screenmenu. See “Audio” under Navigation Audio System onpage 3-2 for more information.RPT (Navigation Repeat): Press this key to repeat thelast voice guidance prompt.y © ¨ z (Seek): Press the seek arrows to seekand scan radio stations, to seek tracks on a CD, and toseek chapters on a DVD. See Navigation AudioSystem on page 3-2, CD Player on page 3-9, or DVDPlayer on page 3-17 for more information.Touch-Sensitive Screen ButtonsTouch-sensitive screen buttons are located on thescreen. When a screen button has been selected, abeep will sound. Screen buttons are highlighted whena feature is available.Alpha-Numeric KeyboardLetters of the alphabet, symbols, punctuation, andnumbers, when available, will display on the navigationscreen as an alpha or numeric keyboard. The alphakeyboard will display when the system requires entry ofa city or street name.All characters are touch-sensitive screen buttons. Toucha character to select it.A-Y (Accent Alphabet): Select this screen button toselect letters with accent symbols. This button maytoggle to A-Z.A-Z (Alphabet): Select this screen button to selectletters from the alphabet. This button may toggle to A-Y.2-3