Home › Forum › Buick › 2010 Lacrosse DIC warning Driver door open This topic contains 0 replies, has 1 voice, and was last updated by vwinter798 7 months ago. Author Posts October 26, 2016 at 12:01 pm #142997 vwinter798Participant DIC warning Driver door open. Warning shows driver side door is open even though it is closed. What is cause and how to fix? Author Posts You must be logged in to reply to this topic.