Grand Prix V6-3.8L SC VIN 1 (1997)
Heads Up Display Unit: Description and Operation
General Description
Head-Up Display (HUD) System
Head-Up Display (HUD) Image
ENG/MET Button Switch
NOTE: For optimal Head-Up Display (HUD) performance, a HUD specific windshield must be used whenever the windshield is replaced.
If the vehicle is equipped with the UV6 option code, the vehicle has an instrument duster. HUD system consisting of a HUD specific windshield, the
HUD, and the HUD dimmer switch. The HUD and HUD dimmer switch are both connected to the instrument panel wiring harness.
The HUD system projects frequently used driver information near the front of the vehicle as viewed from the driver's seat. During operation, information
displayed by the HUD system will include:
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Digital speedometer
^
Turn indicators
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Check gages indicator
^
High beam indicator
^
Low fuel indicator
^
Radio station
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Compact Disc (CD) track number
Head-Up Display (HUD)
The Head-Up Display (HUD) will perform a self-test when first activated. If the HUD dimmer switch is not in the off position and the ignition switch is
turned to "RUN". the HUD will project all of the indicators, for approximately 3.5 seconds. After this time, the HUD will begin normal operation. A
self-test, identical to the one previously described, will also occur when the HUD dimmer switch is moved from the off position after the ignition switch
is turned to "RUN".
When the HUD is on, the speedometer reading will be displayed constantly. If the vehicle is equipped with a trip calculator (U40), the HUD digital
speedometer reading may be switched from "MPH" to "km/h" or from "km/h" to "MPH" by pressing the "ENG/MET" button switch on the trip
calculator.
The current radio station or Compact Disc (CD) track number will be displayed for five seconds after the radio or CD track status changes.
The HUD also processes various inputs. For example, vehicle speed is sent as 4000 pulses per mile from the Powertrain Control Module (PCM). The
