Compatibility

Congratulations on your purchase of the SIR-GM1– the GM Compatible SIRIUS Satellite Radio Tuner!

Your SIR-GM1 is designed to be added to select vehicles that support Satellite Radio operation. Your tuner is designed to replace the factory satellite tuner in your GM vehicle. It is also compatible with systems that do not have the factory satellite tuner installed.

The SIR-GM1 is designed to be compatible with select headunits from 2003 ~ 2006 in select vehicles that operate on the Class-2 Bus. Please consult the included compatibility listing.

Compatible Headunit Types:

•CD only Headunits*

•CD + Cassette Headunits*

•6-CD changer Headunits*

•Touch Screen Monitor Headunits

•Non-Touch Screen Monitor Headunits

*Note that the units must have a “BAND” button to access SIRIUS audio modes.

In addition, the SIR-GM1 is compatible with most additional factory audio accessories that might be included, such as:

•Rear SeatAudio Control Center

•Rear Seat Entertainment (DVD/ Monitor) System

•Heads up display (HUD)

•Steering wheel controls

Note that the SIR-GM1 is not compatible with the factory satellite radio antenna that might be installed in the vehicle. You must install a SIRIUS compatible antenna such as the one included with this product.

Features

The SIR-GM1 is designed to emulate many of the factory SDAR (Satellite Digital Audio Radio) commands found in your vehicle.

•Channel Tune (Up and Down)

•Fast Tune (Up and Down)

•Category Search (Up and Down)

•Category Tune (Tune within a category)

•12 presets (6 for each band)

•Preset Scan (UP)

Note about features listed; Each GM radio type operates differently, so consult the vehicle owners manual for proper operation methods.

Headunit Display Capability

When the SIR-GM1 is installed, it has the capability to show the following information on the headunit display.

•Channel Number

•Channel Name

•Category Name

•Artist Name**

•Song Title Name**

**Number of characters displayed varies by headunit type (8 ~16 Characters). Text Scrolling and/or Paging is not supported with the SIR-GM.

Note: Some GM headunits will display “XM1” or “XM2” as the display source. This information is hard coded in the headunit design and can not be changed.

SIR-GM1 Installation Guide