If your vehicle has audio steering wheel controls, they may be differ depending on your vehicle's options. Some audio controls can be adjusted at the steering wheel. They include the following:

(Next/Previous): Press the arrows to go to the next or to the previous radio station stored as a favorite. When a CD is playing, press the arrows to go to the next or previous track.

(Mute/Voice Recognition): Press and release this button to silence the system. Press and release this button again, to turn the sound on. If your vehicle has 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. If your vehicle has OnStar®, press and hold this button for longer than one second to interact with the OnStar® system. If your vehicle is also equipped with the navigation system, press and hold this button for longer than one second to initiate voice recognition and say "OnStar" to enter OnStar® mode. See the OnStar® System in this manual for more information.

SRCE (Source): Press this button to switch between AM, FM, XM (if equipped), CD, and AUX jack (if equipped).

+  - (Volume): Press the plus or minus volume button to increase or to decrease the radio volume.

(Seek): Press the seek arrow to go to the next radio station, or CD, whichever is the active source and stay there.