Question about 2001 Chevrolet Blazer

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2001 blazer. Lost the key. Had a new key made. When I turn it over a security light flashes on the dash. Someone told me there is a key reader in the ignition that some how needs to be reset. Is this true and if so how do you reset security key reader?

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Hi, because the key is not been recognised. you will have to switch the ignition ON leve it 3 seconds switch ignition OFF take key out from ignition for 3 seconds replace key in ignition swich ignition ON for key to be recognised with the unit under the steering colomn. if this don't work. you need the key programed. gerry

Posted on Sep 08, 2010

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