  OnStar Rearview Mirror with Compass & Outside Temperature
This OnStar Rearview Mirror with Compass & Temperature hooks up to your existing power harness and replaces your current OnStar Rearview Mirror. This mirror uses your vehicle's power harness, you will need to run a wire from the rear view mirror to the front of the vehicle for the outside temperature. Outside temperature probe is included as well as installation instructions.
**Vehicle must have OnStar® already, this mirror will not “add” OnStar® to any vehicle. Existing mirror must not have passenger airbag indicator light.**
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