Sir-Gm1 Gm Class-2 Bus Compatible Sirius Satellite Radio Tuner Installation Guide
Your SIR-GM1 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 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 compatibility chart that is included with this product.
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 Seat Audio 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. In addition, some aftermarket Class-2 bus accessories may cause performance or interference problems with the SIR-GM1.
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.
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