Find in Store

PAC GM3A-RSTX radio replacement interface with Onstar retention

radio replacement interface with Onstar retention for GM LAN 29-BIT

Key Features:
  • Manufacturer: PAC


30 in stock
Add to wishlist Add to compare



Easily upgrade a vehicle’s radio without losing OnStar and other factory features with PAC’s RadioPRO Advanced Radio Installation Adapter.

RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s databus system to retain features such as OnStar, steering wheel controls, factory amplifier, rear-seat entertainment system, and warning chimes.


Key Features

  • OnStar retention
  • Steering wheel control retention
  • Warning chime module included
  • Bose amplifier retention (Standard and Premium)
  • Rear-seat entertainment system retention (GMRVD required)
  • Retains factory Bluetooth (2009+ model vehicles)
  • In-field firmware updatable (PAC-UP required)
  • Antenna Adapter included
  • Factory USB port retention cable included
  • Dual Zone function
  • Retains back-up sensors/park assist and back up camera signal
  • Retains rear seat audio controls
  • Retains factory satellite radio with text displayed in the Driver Information Center (cluster display)



  • Easier installation
  • Improved factory feature retention
  • PAC quality and reliability


Patent # 8,014,540 & 8,184,825





There are no reviews yet.

Write A Review

Your email address will not be published. Required fields are marked *

Skip to content