Head-Up Display Scan Tool Information

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

Head Up Display Scan Tool Data Parameters

Parameter	System State	Expected Value	Description
Operating Conditions: Ignition ON
Adjust Display Down Switch	-	Inactive	The scan tool displays Active or Inactive. This is the state of the adjust display down switch.
Adjust Display Up Switch	-	Inactive	The scan tool displays Active or Inactive. This is the state of the adjust display up switch.
Ambient Light Sensor	-	Varies	This displays %. This is the amount of light hitting the sensor.
Battery Voltage	-	Varies	This displays Volts. This is the current battery voltage signal.
Display Dimming	-	Varies	This displays %. This is the current dimming percentage level.
Dim Select Switch	-	Varies	The scan tool displays Active or Inactive. This is the state of the dim select switch.
Display Units	-	Varies	The scan tool displays English or Metric. English should be displayed for vehicles in the United States.
English/Metric Status	-	English	The scan tool displays English or Metric. English should be displayed for vehicles in the United States.
Language	-	English	The scan tool displays English, French, German, Italian, Spanish or Japanese.
Mirror Vertical Position	-	Varies	The scan tool displays the mirror position.
Page Switch	-	Inactive	The scan tool displays Active or Inactive. This is the state of the page switch.
Tachometer Gauge	-	Varies	The scan tool displays engine RPM.
Vehicle Speed	-	Varies	The scan tool displays the vehicle speed.

Head Up Display Scan Tool Output Controls

Scan Tool Output Control	Description
Backlight Dimming	The scan tool commands the HUD to increase or decrease the brightness of the display when selected.
Info Display Pattern 1 Check	The scan tool commands the HUD to perform a Grid test when selected.