Driver Information and Entertainment

All Description and Operation

• OnStar Description and Operation
• Radio/Audio System Description and Operation

All Special Tools and Equipment

• Special Tools

Diagnostic Procedures

• Diagnostic Starting Point - Cellular, Entertainment, and Navigation
• OnStar Audio Malfunction
• OnStar Button LED Malfunction
• OnStar Button Malfunction
• OnStar Call Center Remote Function Requests Inoperative
• OnStar Global Positioning System (GPS) Data Not Current or Inaccurate
• OnStar Microphone Malfuncation
• Radio Poor Reception
• Speaker Malfunction
• Speaker Replacement Reference
• Symptoms - Cellular Communication
• Symptoms - Entertainment
• Unable to Contact OnStar Call Center

Diagnostic Trouble Codes

• DTC B1023
• DTC B1025-B1065
• DTC B1240
• DTC B1245-B1247 or B1249
• DTC B1272
• DTC B1446 or B1447
• DTC B2455
• DTC B2470
• DTC B2476 or B2482
• DTC B2483 or B2484

Electrical/Electronic Schematic Diagrams

• OnStar Schematics
• Radio/Audio System Schematics

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Antenna Cable Replacement
• Communication Interface Module Replacement
• Electronic Navigation Antenna Replacement
• Mobile Telephone Antenna Replacement
• Mobile Telephone Microphone Replacement
• Radio Antenna Replacement
• Radio Front Side Door Speaker Replacement
• Radio Front Side Door Upper Speaker Replacement
• Radio Front Speaker Grille Replacement
• Radio Front Speaker Replacement
• Radio Rear Quarter Trim Panel Speaker Replacement
• Radio Rear Side Door Speaker Replacement
• Radio Replacement
• Radio Stowage Case Replacement
• Rear SeatAudio Control Replacement