Silverado 3500 2WD V8-6.0L VIN U (2004)
5. Install the instrument panel storage tray.
6. Install the instrument cluster trim plate bezel.
IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating.
If interrupted improper HVAC performance will result.
7. Start the vehicle and let run for one minute.
