Chevrolet Impala owners have reported 2 problems related to automatic transmission floor shift (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Impala based on all problems reported for the Impala.
Center console shift button sticking, making difficult to shift from park to drive.
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all problems of the 2006 Chevrolet Impala
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I have rented several gm vehicles over the last year and found that in most every one of them it is possible to shift the car from park without applying the brake while the key is in the acc position.
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all problems of the 2004 Chevrolet Impala
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