GMC 2007 Envoy Denali Owner's Manual page 244

RDS Messages
INFO (Information): If the current station has a
message, the information symbol displays.
Press this button to see the message. The
message can display the artist, song title, call in
phone numbers, etc.
If the entire message is not displayed, parts of the
message appears every three seconds. To
scroll through the message, press and release the
INFO button. A new group of words displays
after every press of the button. Once the complete
message displays, the information symbol
disappears from the display until another new
message is received. The last message can be
displayed by pressing the INFO button. The
last message can be viewed until a new message
is received or you can tune to a different station.
Radio Messages
CAL ERR (Calibration Error): The audio system
has been calibrated for your vehicle from the
factory. If CAL ERR displays, it means that the
radio has not been configured properly for
the vehicle and must be returned to your dealer
for service.
244
LOCKED: This message is displayed when the
®
THEFTLOCK system has locked up. Take
the vehicle to your dealer for service.
If any error occurs repeatedly, or if an error cannot
be corrected, contact your dealer.
Radio Messages for XM™ Only
See XM Radio Messages on page 277 later in this
section for further detail.
Playing a CD
Insert a CD partway into the slot, label side up.
The player pulls it in and the CD should begin
playing. If you want to insert a CD with the ignition
off, first press the eject button or the INFO knob.
If the ignition or radio is turned off with the CD in
the player, it stays in the player. When the
ignition or radio is turned on, the CD starts playing
where it stopped, if it was the last selected
audio source.
When a CD is inserted, the CD symbol displays.
As each new track starts to play, the track number
displays.