Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 111 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DESCRIPTION AND OPERATIONRADIO/AUDIO SYSTEM DESCRIPTION AND OPERATIONSPEAKER SYSTEMBASE UW4 SYSTEMPREMIUM UZ6 SYSTEM
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Premium UZ6 System
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Premium UZ6 System
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
6 Speaker System
- Two 6 inch high sensitivity speakers (HSS) mounted in both front doors.
- Two 6 x 9 extended range speakers (ERS) mounted to the rear shelf.
- Two tweeter speakers mounted in the upper door trim on both front doors.
Radio Features
| Controls | Base | Uplevel | ||
|---|---|---|---|---|
| Power | Push the Power ON/OFF knob to turn the radio ON. | |||
| Volume | The volume is adjusted by rotating the POWER knob. | |||
| DISP (Display) | Press DISP knob to switch the display between time, temperature, or radio frequency | Press DISP knob to switch the display between time, temperature, or radio frequency. For RDS, press DISP knob to change what appears on the display while using RDS. For XM™, if equipped, press DISP knob while in XM mode to retrieve four different categories of information related to the current song or channel. |
||
| SCV | N/A | Press the AUTO VOL button. Adjust the SCV by pressing the AUTO VOL until the desired volume setting appears on the display. Three settings are available; LOW, MEDIUM, and HIGH. |
||
| Tune | Turn the DISP/ADJ knob. | |||
| Seek | Press the SEEK-SCAN UP button within 2 seconds for radio to find next strong signal, in current band, of increased frequency. Press the SEEK-SCAN DOWN button within 2 seconds for radio to find next strong signal, in current band, of decreased frequency. |
|||
| Scan | Press and hold the SEEK-SCAN UP button longer than 2 seconds but less than 4 seconds. One audible beep is heard before it starts scanning. | |||
| Presets | Six AM, Six FM1 and Six FM2 | |||
| Preset Saving | Press and hold any User Preset button (1-6) greater than 2 seconds. One audible beep is heard. | |||
| Preset Scan | Press and hold SEEK-SCAN UP or SEEK-SCAN DOWN button at least 4 seconds. Two audible beeps are heard before it starts preset scanning. | |||
| Mute | Steering Wheel Audio Controls only. Press the MUTE button to silence the system. Press it again, or any other radio button, to restore the sound. |
|||
| Fade or Balance | Push and release the BAL/FADE knob, within 2 seconds, to select and adjust w/Adj knob. Pushing and holding the BAL/FADE knob longer than 2 seconds, before a particular setting is displayed, produces one audible beep and sets the fade/balance settings to the center detent. The radio displays ALL CENTERED. |
|||
| Bass, Treble or Midrange | Push and release the TONE knob, within 2 seconds, to select and adjust w/ADJ knob. Pushing and holding the TONE knob longer than 2 seconds, before a particular setting is displayed, produces one audible beep and sets the audio settings to the center detent. The radio displays ALL CENTERED. |
|||
| Automatic Tone Control (ATC) | N/A | Press and release the AUTO EQ button to choose and program preset bass and treble equalization settings. | ||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.