I have a brake question. on 2006 Chevrolet Impala SS

How much will it cost me to replace a backup value? No one I've asked so far has ever heard of his part. I have OnStar and it said I needed to replace the value.

by in Hempstead, TX on July 22, 2010
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1 answer
ANSWER by , July 22, 2010
This may refer to a software upgrade or update or repair. Have you called GM?