Some audio controls can be adjusted at the steering wheel. They include the following:

+ / - (Next/Previous) : Press and release to go to the next or the previous preset radio station or CD track.

(End Call): For vehicles with the OnStar® system, press to end a Hands-Free call, an OnStar® call, cancel an incoming call, or end the Advisor Playback. For vehicles with Bluetooth®, press to end a call, or cancel an incoming call.

 +  -(Volume): Move the thumbwheel up or down to increase or to decrease the volume.

(Call / Mute): Press and release to mute the system. Press it again to turn the sound back on. For vehicles with OnStar® or Bluetooth systems, press and hold for longer than two seconds to interact with those systems. See OnStar® System and Bluetooth®in this manual for more information.