HiCustomer Thank you for asking your question on JustAnswer. The other Experts and I are working on your answer. By the way, it would help us to know:-What model is your Buick?
-Is the problem that the blower motor is not working?
-If it is the blower motor that is not working is it not working on any speed?Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.