2007 Cadillac CTS-V Owner's Manual - Page 282

g (Mute/Voice Recognition): Press this button to silence the system. Press this button again or turn the VOL (volume) knob to turn the sound on. If your vehicle has the navigation system, press this button to initiate voice recognition. See "Voice Recognition" in the Navigation System manual for more information. See Reconfigurable Steering Wheel Controls (SWC) (CTS) on page 161 for more information on this feature. Audio Steering Wheel Controls (CTS-V) Depending on your vehicle, the audio steering wheel controls may be different. For the CTS-V, some audio controls can be adjusted at the steering wheel. They include the following: 0 (Mute): Press this button to silence the system. Press this button again, or any other radio button, to turn the sound on. 282