Use these controls, if equipped, to make audio adjustments at the steering wheel.

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Press to select the previous favorite radio station or previous CD, DVD, if equipped, or MP3 track.

(Volume): Press + to increase the volume; press − to decrease the volume.

(Push to Talk): For vehicles with an OnStar®, Bluetooth®, or navigation system, press to interact with those systems.

See Bluetooth (Voice Recognition) or Bluetooth (Overview) or Bluetooth (UHP Mexico Only) or Bluetooth (Infotainment Controls), OnStar Overview, or the separate navigation manual for more information.

(End Call/Mute): Press to silence the vehicle speakers only. Press again to turn the sound on. For vehicles with OnStar or Bluetooth systems, press to reject an incoming call, or end a current call.

SRCE: Press to select an audio source. For vehicles with a heated steering wheel, use the infotainment buttons to select an audio source.

See Heated Steering Wheel or Overview (Radio with CD) or Overview (Radio with CD/DVD and MEM) for more information.