Radio/Audio System Description and Operation: Notes

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Notes

The Entertainment System on this vehicle is configured with either a base or an uplevel system. Both the base and uplevel systems contain a radio, antenna, speakers, and an audio amplifier. Satellite digital radio (U2K) is available with Uplevel Radio (UAV).

The following list shows the radios available for this vehicle:

  • Base Radio (U2R) - AM/FM, CD, RDS, and Delco Amplifier
  • Uplevel Radio (U2S) - AM/FM, ICDX, RDS, and BOSE® Amplifier
  • Uplevel Radio (UAV) - AM/FM, ICDX, RDS, Navigation, and BOSE® Amplifier (U.S. and Canada)
  • Uplevel Radio (U2Y) - AM/FM, ICDX, RDS, Navigation, and BOSE® Amplifier (Europe)
  • Uplevel Radio (U2X) - AM/FM, ICDX, RDS, Navigation, and BOSE® Amplifier (Japan)
Radio Features

Controls U2R or U2S UAV, U2Y, or U2X
Power Push the PWR/VOL knob to turn the radio on.
Volume The volume is adjusted by rotating the PWR/VOL knob.
Auto Volume Compensation Use the TUNE/SEL knob. Press the AUDIO button.
Seek Press the up or down arrow. Press the left or right arrow.
Scan Press the SCAN button for less than 2 seconds. Press and hold the left or right arrow for 2 seconds.
Setting Seek Sensitivity Use the TUNE/SEL knob. N/A
Presets Six AM, Six FM1 and Six FM2. Six AM, Six FM1, Six FM2, and six weather. Six XM1, and Six XM2 if equipped with U2K.
Preset Saving Press and hold desired button until an audible beep is heard.
Auto Store Presets Use the TUNE/SEL knob. From the Radio menu, press the TUNE/SEL knob.
Preset Scan Press the SCAN button for more than 3 seconds. Press and hold the left or right arrow for 4 seconds.
Home/Away Presets Use the TUNE/SEL knob.
Set Clock Use the TUNE/SEL knob. From the Main Menu, press the Setup soft key.
Fade or Balance Use the TUNE/SEL knob. Press the AUDIO button.
Bass, Treble, or Midrange Use the TUNE/SEL knob. Press the AUDIO button.
Equalizer Settings Use the TUNE/SEL knob. Press the AUDIO button.
Digital Signal Processing Use the TUNE/SEL knob. Press the AUDIO button.

Each item in the list below represents topics covered in detail below.

  • AM/FM Reception
  • XM Reception
  • Diversity Antenna System
  • Audio Amplifier
  • Theft Deterrent
  • Radio Personalization w/Home and Away Feature
  • Radio Data System (RDS)
  • XM Satellite Radio
  • XM Advisory Messages
  • Steering Wheel Controls
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.