2009 Chevrolet Suburban Owner's Manual - Page 326

Theft-Deterrent Feature THEFTLOCK is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a different vehicle. ® w (Next): Press to go to the next radio station stored as a favorite, or the next track if a CD/DVD is playing. x c (Previous/End): Press to go to the previous radio station stored as a favorite, the next track if a CD/DVD is playing, to reject an incoming call, or end a current call. Audio Steering Wheel Controls Vehicles with audio steering wheel controls could differ depending on the vehicle's options. Some audio controls can be adjusted at the steering wheel. b g (Mute/Push to Talk): Press to silence the vehicle speakers only. Press again to turn the sound on. For vehicles with OnStar® or Bluetooth® systems press and hold b g for longer than two seconds to interact with those systems. See OnStar® System on page 2-68 and Bluetooth® on page 3-115 in this manual for more information. SRCE (Source/Voice Recognition): Press to switch between the radio (AM, FM, XM), CD, DVD (if equipped), front auxiliary (if equipped), and rear auxiliary (if equipped). For vehicles with the navigation system, press and hold this button for longer than one second to initiate voice recognition. See "Voice Recognition" in the Navigation System manual for more information. + e − e (Volume): Press to increase or to decrease the radio volume. 3-138