Driver Information and Entertainment

All Description and Operation

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

Diagnostic Procedures

• Diagnostic Starting Point - Cellular, Entertainment, and Navigation
• Digital Radio Malfunction
• 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
• OnStar Voice Recognition Malfunction
• Radio Displays CAL or CAL ERR
• Radio Displays LOC, LOCKED, or CODE
• Radio Poor Reception
• Speaker Malfunction
• Speaker Replacement Reference
• Symptoms - Cellular Communication
• Symptoms - Entertainment
• Unable to Contact OnStar Call Center

Diagnostic Trouble Codes

• DTC B1025, B1035, B1045, or B1055
• DTC B1259
• DTC B2455
• DTC B2470
• DTC B2476 or B2482
• DTC B2483 or B2484

Electrical/Electronic Schematic Diagrams

• OnStar Schematics
• Radio/Navigation System Schematics

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Antenna Cable Replacement
• Cellular and Navigation Antenna Assembly Replacement
• Cellular Communications/Digital Radio Antenna Replacement
• Communication Interface Module Replacement
• Compact Disc Care and Cleaning
• Digital Radio Antenna Cable Replacement
• Digital Radio Antenna Replacement
• Digital Radio Receiver Replacement
• Fixed Antenna Mast Replacement
• Mobile Telephone and Navigation Antenna Coaxial Cable Replacement
• Mobile Telephone Digital Antenna Replacement
• Mobile Telephone Microphone Replacement
• Navigation Control Processor Bracket Replacement
• OnStar Button Assembly Replacement
• Radio Antenna Cable Extension Cable Replacement
• Radio Front Side Door Speaker Replacement
• Radio Rear Side Door Speaker Replacement
• Radio Replacement