2009 Chevrolet Corvette Owner's Manual - Page 226

Radio Messages CAL ERR (Calibration Error): Displays if the radio is no longer configured properly for the vehicle. The vehicle must be returned to your dealer/retailer for service. LOC (Locked): Displays when the THEFTLOCK® system has locked up. The vehicle must be returned to your dealer/retailer for service. If any error occurs repeatedly or cannot be corrected, contact your dealer/retailer. If the entire message is not displayed, parts of the message appears every three seconds. To scroll through the message, press and release 4 . A new group of words display after every press of the button. Once the complete message has displayed, INFO disappears from the display until another new message is received. The last message can be displayed by pressing this button. The last message until a new message is received or the radio is tuned to a different station. NO INFO displays when a message is not available from a station. TRAF (Traffic): TA (traffic) displays when the station broadcasts traffic announcements, the announcement will be played. Press TRAF and the radio seeks to a station that broadcasts traffic announcements. When a station is found, the radio stops seeking and TA displays. NO TRAFFIC INFO displays if a station that broadcasts traffic announcements can not be found. Press TRAF to turn off the traffic announcements if TA is on the display. The radio plays the traffic announcement even if the volume is low. The radio interrupts the play of a CD if the last tuned station broadcasts traffic announcements. This function does not apply to XM Satellite Radio Service. RDS Messages ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! displays. The announcement is heard, even if the volume is low or a CD is playing. If a CD is playing, play stops during the announcement. Alert announcements cannot be turned off. ALERT! is not affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. If the current station has a message, INFO (information) displays. Press 4 to see the message. The message can display the artist, song title, call in phone numbers, etc. 4 (Information): 3-88