Based on this section in the bin file I'm lead to believe that the horn is a child object. If so, what line needs to edited to spin the horn 180 degrees? The horn is facing the wrong direction.
<cEntityContainerBlueprint-sChild d:id="52115368">
<ChildName d:type="cDeltaString">Horn</ChildName>
<BlueprintID>
<iBlueprintLibrary-cAbsoluteBlueprintID>
<BlueprintSetID>
<iBlueprintLibrary-cBlueprintSetID>
<Provider d:type="cDeltaString">Kuju</Provider>
<Product d:type="cDeltaString">RailsimulatorUS</Product>
</iBlueprintLibrary-cBlueprintSetID>
</BlueprintSetID>
<BlueprintID d:type="cDeltaString">Audio\RailVehicles\Diesel\SD40\Cab\Class SD40 Horn Sound.xml</BlueprintID>
</iBlueprintLibrary-cAbsoluteBlueprintID>
</BlueprintID>
<Matrix>
<cHcRMatrix4x4>
<Element>
<e d:type="sFloat32" d:alt_encoding="000000000000F03F" d:precision="string">1</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="000000000000F03F" d:precision="string">1</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="000000000000F03F" d:precision="string">1</e>
<e d:type="sFloat32" d:alt_encoding="0000000000000000" d:precision="string">0</e>
<e d:type="sFloat32" d:alt_encoding="000000207F14E2BF" d:precision="string">-0.565002</e>
<e d:type="sFloat32" d:alt_encoding="0000000023C41240" d:precision="string">4.69154</e>
<e d:type="sFloat32" d:alt_encoding="000000A03D33E53F" d:precision="string">0.662505</e>
<e d:type="sFloat32" d:alt_encoding="000000000000F03F" d:precision="string">1</e>
</Element>
</cHcRMatrix4x4>
</Matrix>
</cEntityContainerBlueprint-sChild>