2018 Chevrolet Silverado 2500 ELECTRICAL SYSTEM,EXTERIOR LIGHTING

Dashboard lights and audio system shut off randomly for one second while driving, and then turned back on. when shutting the truck off, all power was lost for one second

BRIGHTNESS LEVEL FOR THE CENTER CONSOLE DISPLAY (RADIO, CLIMATE CONTROLS) CANNOT BE DIMMED. WHEN ADJUSTING THE VOLUME, CHANGING AIRFLOW, TUNING RADIO ETC, A BANNER IS DISPLAYED ALONG THE TOP OF THE SCREEN THAT IS SO BRIGHT IT IS ALMOST BLINDING AT NIGHT. IT SIGNIFICANTLY IMPAIRS NIGHT VISION. THERE NEEDS TO BE A DIMMING OPTION. THE BANNER IS THE SAME BRIGHTNESS REGARDLESS OF SPEED OR TIME OF DAY. CHEVY 2500 SILVERADO WT.