2009 GMC Envoy Owner's Manual - Page 242

To scan preset stations, press and hold the SEEK button for two seconds and the radio advances to the next preset station. If the button continues to be held down, the radio advances through the available preset stations. The display shows the selections. This function is inactive if the front seat passengers are listing to the radio. While a CD is playing, press the SEEK button to go to the next track on the CD. This function is inactive if the front seat passengers are listening to a CD. While a CD is playing in the six-disc CD player, press and hold the SEEK button for two seconds to go to the next CD, if multiple CDs are loaded. This function is inactive if the front seat passengers are listening to a CD. Audio Steering Wheel Controls Vehicles with audio steering wheel controls could differ depending on the vehicle's options. Some audio controls can be adjusted at the steering wheel. (Mute/ Voice Recognition): For vehicles with OnStar® or Bluetooth® systems press g to interact with those systems. See OnStar® System on page 2-43 and Bluetooth® on page 3-86 in this manual for more information. If the vehicle does not have OnStar, press g to silence the vehicle speakers only. Press g again, or any other radio button, to turn on the sound. Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate and LOCKED displays if the radio is stolen or moved to a different vehicle. When the when the ignition is in the off position, a blinking red light on the upper left side of the radio indicates that THEFTLOCK® is armed. g 3-110