2009 Cadillac XLR-V Owner's Manual - Page 154

The HUD controls are located to the left of the steering wheel. Continue to scan the displays, controls and driving environment just as you would in a vehicle without HUD. Check the instrument panel cluster, to be sure you do not miss something important, such as a warning light. Under important warning conditions, the CHECK GAGES message will display in the HUD. View the Driver Information Center (DIC) for more information. +! - (Brightness): Use to adjust the brightness of the HUD and the instrument panel cluster. DIMMER: Use to select the HUD or the instrument panel cluster to adjust the brightness. HUD: Use to adjust the vertical position of the HUD display. 3-32