If your vehicle has this feature, 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 stored radio station and stay there. Press and hold the arrows longer than three-quarters of a second to advance ahead or reverse back to a station with a strong signal in the selected band. When a CD is playing, press the arrows to go to the next or to the previous track. Press and hold the arrows longer than three-quarters of a second to continue advancing ahead or reversing back to other tracks within the disc.

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

(Mute/Voice Activation): Press this button to silence the system. Press this button again to turn the sound on. If your vehicle has OnStar®, press and hold this button for two seconds to activate voice on the OnStar® system. See the OnStar® System in this manual for more information.