Congratulations on your purchase of the SIRGM1C – the GM Compatible SIRIUS Satellite Radio Tuner!
Your SIRGM1C is designed replace the factory XM Satellite tuner in select GM vehicles. The tuner is also compatible with systems that support Satellite Radio operation but did not come with a tuner from the factory.
Compatibility
The SIRGM1C is designed to be compatible with select headunits from 2003 ~ 2006 in select vehicles that operate on the
Compatible Headunit Types:
• CD only Headunits*
• CD + Cassette Headunits*
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• Touch Screen Monitor Headunits
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*Note that the units must have a “BAND” button to access SIRIUS audio modes.
In addition, the SIRGM1C is compatible with most additional factory audio accessories that might be included, such as:
• Rear Seat Audio Control Center
• Rear Seat Entertainment (DVD/ Monitor) System
• Heads up display (HUD)
• Steering wheel controls
Note that the SIRGM1C 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. In addition, some aftermarket
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Features
The SIRGM1C 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 SIRGM1C 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 cannot be changed.
SIRGM1C Installation Guide
