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Home >> Cadillac >> 2004 >> XLR >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Description and Operation >> Head Up Display (HUD) Description and Operation >> Vehicle Speed Display

Vehicle Speed Display

The HUD displays the vehicle speed based on information from the vehicle speed sensor. The PCM converts the data from the vehicle speed sensor to a 4,000 pulses/mile signal. The HUD uses the vehicle speed signal circuit (4,000 pulses/mile) from the PCM in order to calculate the vehicle speed. The HUD displays either miles or kilometers as requested by the activation of the English/metric button in the DIC switch. The associated indicator (km/h or MPH) illuminates.