Audio Steering Wheel ControlsSome audio controls can be adjusted at thesteering wheel. They include the following:0 (Mute): Press this button to mute the system.Press this button again, or any other radiobutton, to turn the sound on.SRCE (Source): Press this button to switchbetween AM, FM, XM™ (if equipped), CD, andauxiliary jack.g(Voice Recognition): If your vehicle has thenavigation system, press and hold this buttonfor longer than one second to initiate voicerecognition. See “Voice Recognition” in theNavigation System manual for more information.If your vehicle has OnStar® , press and holdthis button for longer than one second to interactwith the OnStar® system. If your vehicle alsohas the navigation system, press and hold thisbutton for longer than one second to initiate voicerecognition and say “OnStar” to enter OnStar®mode. See the OnStar® System on page 139 inthis manual for more information.1-6 (Preset Stations): Press this button to playstations that are programmed on the radiopreset pushbuttons. The radio seeks presetstations only with a strong signal that are in theselected band.While a CD is playing, press this button to go tothe next track.269
