Retains OnStar system functionality and the Bose factory-installed amplifier (if present) when the factory radio is replaced in a 29-bit GMLAN vehicle. Generates all safety warning chimes and audible turn signal indicators.
| Item Weight | 12.8 ounces |
| Product Dimensions | 9 x 2 x 9 inches |
| Item model number | OS5 |
| Is Discontinued By Manufacturer | No |
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