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Discussion Starter · #1 ·
My 2002 Impala periodically cycles the instument panel self-check routine while I am driving. It is the same process that occurs when the key is first turned on. It did not do this for the first 4 or five years that I had the car. The dealer can not find anything wrong, since naturally it never does it while they have it. I live in Arizona, and it seems to only do it in the warm weather.
 
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