It only comes on when driving long distances.
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2006 Lexus IS250 Question: How do I get the stored code for why the VSC light came on on my car?
Answer #1patrick mannion from Greg Solow's Engine Room, February 08, 2012, 21:48Master
There is a 16 pin diagnostic socket under the driver's side of the dash, you need a scan tool to retrieve the codes stored, no way to retrieve codes without a scan tool.If the Check Engine light is also on a more generic scan tool may retrieve the codes stored