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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gauges >> Diagnostic Information and Procedures >> DTC B3620 >> Circuit/System Verification

Circuit/System Verification

Ignition ON, verify that when the HUD image up switch is pressed and released the HUD scan tool Adjust Display Up Switch parameter toggles between Active and Inactive.