2004 Pontiac Bonneville Owner's Manual - Page 201
2004 Pontiac Bonneville Manual
Page 201 highlights
If the brackets are on the display and TRAF is not, you can then press the TRAF button to remove the brackets or use the TUNE knob or the SEEK arrows to go to a station that supports traffic announcements. If no station is found, NO TRAFFIC will appear on the display. Your radio will play the traffic announcements if the volume is low. Your radio will interrupt the play of a CD if the last tuned station broadcasts traffic announcements. This function does not apply to XM™ Satellite Radio Service. Radio Messages CALIBRATE: Your audio system has been calibrated for your vehicle from the factory. If CALIBRATE appears on the display, it means that your radio has not been configured properly for your vehicle and must be returned to the dealer for service. LOCKED: This message is displayed when the Theftlock® system has locked up. Your vehicle must be returned to the dealer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your dealer. 3-81