Why won't my spare key will not crank my 2005 Buick Century?

Asked by Mar 06, 2017 at 05:24 PM about the 2005 Buick Century

Question type: General

My spare key is not from the
factory but it has crank my 2005
Buick Century before now the
security light blinks in the car will
not crank

1 Answer


Looks like the VATS (Vehicle Anti-Theft System) is failing OR the ignition switch is failing (BTW there is a TSB for your car specifically related to the ignition switch).

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