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rpmdiag, Tech and Instructor
Category: Buick
Satisfied Customers: 8153
Experience:  Since 1975
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2010 buick lacrosse outside turn signal and hazzard warning

Customer Question

2010 buick lacrosse outside turn signal and hazzard warning lamps flash normally but inside turn siglal flasher clicking sound is out of sequince with outside lamps. all outside lamps work
Submitted: 2 years ago.
Category: Buick
Expert:  rpmdiag replied 2 years ago.

Hi, I'm Ron

The first thing to do would be to contact your Buick dealer service department and ask them if there is a computer flash update available for this issue. If there is, you will need to have them apply the update. If there is no update, then they would need to diagnose this "out of synch" issue your experiencing to see if it is a defective computer. Hope this helps, please let me know if you have any other questions