2012 Buick LaCrosse Premium II Group 4dr Sedan (3.6L 6cyl 6A)
Love the car in all areas except one problem.
When i unlock and get in the car and close the door sometimes the horn will honk 4 times rapidly. Dealer can't find it. I suspect it is a malfunction in thee electrical feed back circuit. Very agrivating, never know when it will honk.
Buick replaced a sensor in the door and that seems to have fixed it. I also had a problem with the trunk lid popping open and a problem with the HUD. Buick replaced a secsor in the trunk circuit and that appears to be a good fix.
The HUD display gets a "green "picture frame" around the outer edges. We
have isolated the cause to be a reflection
from the sun at certain angles. The sun has to shinnning in at yourr back. Other angles don't cause the problem. We got another 2012 off the lot and it did the same thing. Haven't had a chance to
try a 2011 or 2010 yet. It's in GM's ball park.
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