PAC NU-GM4, Navigation Unlock For GMLAN 29 Bit (V1) Radios w/ 44 Pin Harness Disclaimer: Under No Circumstances Shall The Manufacture Or The

Navigation Unlock integration interface allows the factory Navigation, Bluetooth & Satellite Radio Features of your 29-bit GM LAN radio to be used by the passenger at any time.

• Unlocks advanced features of factory navigation radio For passenger use
  
• Unlocks destination entry
  
• Unlocks Bluetooth keypad
  
• Enables the reverse camera at any time
  
• Fast navigation re-syncs when de-activated
  
• Does not interrupt GPS antenna for fast GPS acquisition