Buick Lucerne owners have reported 1 problem related to power door locks not working (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Lucerne based on all problems reported for the Lucerne.
Automatic door locks on various doors have failed repeatedly. This problem has required entire replacement of the door lock/latch assembly's which is quite expensive. Failure of door locks is sometimes not immediately noticeable since it is intermittent at first, until it does not work at all. Children or persons could fall out of car as result of failed locks that you think are locked but they are not. You rely on the door locks to keep everyone safe from accidentally opening the doors.
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