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Home >> GMC >> 2007 >> Acadia SLE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Description and Operation >> Head Up Display (HUD) Description and Operation >> Backup Vehicle Speed

Backup Vehicle Speed

The head-up display (HUD) receives a class 2 message from the body control module (BCM) indicating backup vehicle speed.