2010 GMC Acadia Owner's Manual - Page 158

5-34 Instruments and Controls ? (Page): Press this button to select the display formats. Release the page button when the format number with the desired display is shown on the HUD. The three formats are as follows: To adjust the HUD image so that items are properly displayed, do the following: 1. Adjust the driver's seat to a comfortable position. 2. Start the engine. 3. Adjust the HUD controls. Use the following settings to adjust the HUD. 9 (Off): To turn HUD off, rotate the dimming knob fully counterclockwise until the HUD display turns off. Brightness: Turn the knob on the HUD control clockwise or counterclockwise to brighten or dim the display. w (Up): x (Down): Press the up or down arrows to center the HUD image in your view. The HUD image can only be adjusted up and down, not side to side. Format Two: This display includes the information in Format One without the transmission information and the outside air temperature. Format One: This display gives the speedometer reading (in English or metric units), turn signal indication, high beam indication, transmission positions, and the outside air temperature.