Driver Door will not unlock. Tried remote and key and door latch on 2009 Buick LaCrosse

Door on drivers side, will not unlock

by in Webster, NY on March 14, 2010
2 answers
ANSWER by on March 20, 2010
same issue here, had them replace latch assembly. seems to be a common issue
ANSWER by on December 20, 2010
Same here. Just a little lube in the right spot should cure it, but where? Anyone have a diagram of the door lock latch handle mechanism?