Audio Steering Wheel ControlsYou can control certain radio functions using the buttonson your steering wheel.g (OnStar/Voice Recognition): If your vehicle hasOnStar® , you can press this button to interact withthe OnStar® system. See the OnStar® manual providedwith your vehicle for more information.If your vehicle does not have OnStar® , pressing thisbutton will mute the audio system.PROG (Program): Press this button to play a stationyou have stored on the radio preset pushbuttons.If a CD is playing in the CD changer, press this buttonto go to the next available CD.Q SOURCE R: Press this button to select FM1,FM2, AM, or XM1 or XM2 (48 contiguous US states, ifequipped), or a CD. If a CD is loaded the CD symbolwill appear on the display.Q SEEK R: Press the up or the down arrow to go tothe next or to the previous radio station and staythere.If a CD is playing, press the up or the down arrow tofast forward or reverse.Q VOL R (Volume): Press the up or the down arrowto increase or to decrease volume.DVD DistortionYou may experience audio distortion in theIR headphones when operating cellular phones,scanners, CB radios, Global PositioningSystems (GPS)*, two-way radios, mobile fax, or walkietalkies.It may be necessary to turn off the DVD player whenoperating one of these devices in or near the vehicle.* Excludes the OnStar® System.3-99