LEMON Manuals
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2009
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STS Base, 4.6 A, AWD
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Section 222 (Cellular System, Entertainment System And Navigation System)
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OnStar Schematics
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OnStar Schematics
WARNING:
This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: UE1
Courtesy of GENERAL MOTORS CORP.
Fig 2: Data Communication
Courtesy of GENERAL MOTORS CORP.