GMC TSB #PI0663D
2012 GMC Terrain
Affected Component: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
- Summary
- This preliminary information bulletin provides a procedure to update the software for the navigation radio due to loss of GPS signal, voice prompts inoperative, low fuel, XM volume, audio button functionality, not able to set clock, factory settings option inoperable, radio display information may not match.