2007 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 306

4. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever that numbered pushbutton is pressed, while in PTY select mode, the PTY that was set will return. 5. Repeat the steps for each pushbutton. Radio Messages CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR appears on the display, it means that the radio has not been configured properly for the vehicle and must be returned to your GM dealer for service. LOCKED: This message is displayed when the THEFTLOCK® system has locked up. Take the vehicle to your GM dealer for service. If any error occurs repeatedly, or if an error cannot be corrected, contact your GM dealer. RDS Messages INFO (Information): If the current station has a message, the information symbol will appear on the display. Press this button to see the message. The message may display the artist, song title, call in phone numbers, etc. If the entire message is not displayed, parts of the message will appear every three seconds. To scroll through the message, press and release the INFO button. A new group of words will appear on the display after every press of the button. Once the complete message has been displayed, the information symbol will disappear from the display until another new message is received. The last message can be displayed by pressing the INFO button. You can view the last message until a new message is received or a different station is tuned to. 306 Radio Messages for XM™ Only See XM Radio Messages on page 327 later in this section for further detail.