GateWay Kit for Select GM Cadillac


The Ultimate In-Car Integration Solution for Select GM Vehicles.

  • Vehicle MUST be either equipped with, or have the ability to support Satellite Radio
  • HD Radio support requires the purchase of the HDRT (sold separately)
  • Aftermarket Satellite Radio support requires the purchase of the ISSR11 & an SCC1 tuner (both sold separately, Canadian SCC-1C is not supported).


GateWay Kit for Select GM Cadillac

Gateway Firmware Updater

The Gateway Firmware Updater will download the most recent firmware directly from iSimple. Ensuring you have the most up-to-date firmware with the most advanced features! A user manual is provided.

  • Download and install the latest version of the Gateway Update Software.
  • The program will walk you through step-by-step to upgrade your Gatway (internet connection is required for update)
  • NOTE: once installed the updater will download the most recent FIRMWARE from our servers
  • NOTE: The Firmware version may be different from the Gateway Updater version. You will see the most recent Firmware versions in the Gateway Updater Program once a connection to our server is made.
  • Firmware Download, Version (Released on January 4th, 2012)
    Release Notes

    Gateway Update Software Package

    Contains updater program and user instructions


The ultimate car integration kit for your iPod or iPhone. Each vehicle-specific GateWay kit provides a seamless connection between your iPod or iPhone and the factory-installed, satellite-ready radios in many 2003-2011 cars, trucks and SUVs.

iPod®/iPhone® and Auxiliary Audio Input Interface with HD Radio®, Satellite Radio & Bluetooth Options for the Cadillac STS (Includes PXAMG GateWay Interface & PGHGM4 Harness)

Keeps the Factory Radio Intact — Plug-and-play interface eliminates the need to replace the factory radio, maintaining the vehicle’s original look and feel.

  • Saves Time and Money — Cutting-edge technology and compact size provide huge advantages over buying and installing a stereo with similar capabilities.
  • In Most Applications Retains Original Vehicle Features — Advanced capabilities retain and all safety and convenience features tied to the factory system.i.e.OEM Satellite, Rear Seat Entertainment, and CD changers (please check vehicle compatibility notes)
  • Provides Multiple Entertainment Options — Additional auxiliary input connects MP3 players, satellite radio tuners, DVD players, navigation systems and other portable media to the vehicle.
  • Delivers Digital-Quality Audio — Direct connection to the factory radio ensures static-free, crystal-clear sound from the iPod and many other portable media devices.
  • Enables All iPod Features and Functions from the iPod and the Radio — iPod Interface displays information and provides iPod control from both the iPod and the radio.
  • Works with Multiple Applications — USB connection allows the iSimple GateWay® to be continually updated with downloadable firmware to work with the latest applications.
  • Expandable:
  • Connect an ISSR11 cable and add an SCC1 Satellite tuner
  • Connect an ISSR12 cable and add an SXV100 or SXV200* Satellite tuner
  • (Sat tuners, and ISSR11, and ISSR12 cables all sold separately.)
  • Can also be expanded with the iSimple BluStream Bluetooth Interface (Select Vehicles).
  • Allows connection of any two devices at once: iPod cable, AUX cable, HD Radio Tuner (sold separately) or Bluetooth module.
  • Kit Includes:
  • PXAMG GateWay Interface
  • ISPDC11 iPod Cable
  • Auxiliary Input Cable
  • Vehicle Specific Harness

Product Revision History

Current Revision #: .817b        Description: Universal File

Revision #: .816b        Description: Universal File

Revision #: 1.5.788b   Description: Fixes issues seen with iOS 4.1

Revision #: 1.5.778b    Description: Improves General Functionality

Revision #: 1.5.723b    Description: Initial Release

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