2003 Cadillac Escalade Owner's Manual - Page 209

XMTMRadio Satellite Service (USA Only): XMTMis a continental U.S. based satellite radio service that offers 100 coast to coast channels including music, news, sports, talk and children's programming. XMTM provides digital quality audio and text information, including song title and artist name. A service fee is required in order to receive the XMTMservice. For more information, contact XMTMat www.xmradio.com or call 1-800-852-XMXM (9696). Playing the Radio PWR (Power): Press this knob to turn the system on and off. VOL (Volume): Turn this knob to increase or to decrease volume. AUTO VOL (Automatic Volume): With automatic volume, your audio system adjusts automatically to make up for road and wind noise as you drive. Set the volume at the desired level. Press this button until AVOL ON appears on the display. Then as you drive, automatic volume increases the volume as necessary to overcome noise at any speed. The volume level should always sound the same to you as you drive. To turn automatic volume off, press this button until AVOL OFF appears on the display. 3-66