2009 Chevrolet Impala Owner's Manual - Page 216

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 2-33 and Bluetooth® on page 3-82 for more information. SRCE (Source): Press to switch between the radio (AM, FM, XM), CD, and auxiliary input jack. + e − e (Volume): Press to increase or to decrease the radio volume. w (Next): Press to go to the next radio station stored as a favorite, or the next track if a CD is playing. c x (Previous/End): Press to go to the previous radio station stored as a favorite, the next track if a CD is playing, to reject an incoming call, or end a current call. ¨ (Seek): Press to go to the next radio station while in AM, FM, or XM™. Press ¨to go to the next track or chapter while sourced to the CD. Press the ¨if multiple discs are loaded to go to the next disc while sourced to a CD player. 3-94