2009 Buick LaCrosse Q&A

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

Door on drivers side, will not unlock -
Answer 1
same issue here, had them replace latch assembly. seems to be a common issue -
Answer 2
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? -