2009 GMC Acadia Owner's Manual - Page 471

Configure Menu Sound Press the MENU key to enter the menu options, then press the MENU key repeatedly until Sound is selected or select the Sound screen button. To make speaker and equalization adjustments. See Navigation Audio System on page 3-2 for more information. Radio Press the MENU key to enter the menu options, then press the MENU key repeatedly until Radio is selected or select the Radio screen button, to make changes for radio information displayed, preset pages, XM™ categories, and automatic volume control. See Navigation Audio System on page 3-2 for more information. Base shown; Uplevel similar Press the MENU hard key to adjust several of the system's features and preferences. The last selected menu screen is the screen that displays; Sound, Radio, Nav (navigation), Display, or Time. Traffic Options Read the following Options descriptions to understand how the XM NavTraffic™ operates. 2-27