2006 Lucerne CXS dead due to cold weather

Smiley-EL

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Fort Worth, Texas
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2006 Buick Lucerne CXS, Black and chrome with tan leather
Thread starter #1
Hey Everyone!

This is the third time so there has to be an issue... Listen.
So, in North Texas, we are cold several times a year. It's 37 now with an expected high of 46.
About to go run errands and the remote start wouldn't work - that's how I know either the engine light has come on or the car is dead. So, no remote start. I open it (it's in the garage) and it's dead. This is the third time that it's happened in the few years I've had it. The last time was about a year ago.
Has anyone else encountered this? What did you find out, and what did you do to fix it?
This car has all of the DTS options (4.6L V8) except the roof.
There isn't a draw on the battery that I know of; it doesn't happen regularly enough to classify as a draw. Or does it?
I am charging the battery now. The battery is less than a year old. This summer I put a new alternator in and had to replace the battery in the process. That said, it IS an AutoZone battery that the computer says is the right one for this car. I haven't had any problems with their batteries in the past...
I have no earthly idea...
 

Johnscsx

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#2
Regardless of the fit, what quality of battery did you buy from Auto Zone? You get what you pay for. Those cheap econocraft batteries they sell are only warrantied for 3 months, and there is likely a good reason behind that. That's why they only cost about 1/3 of what a premium battery sells for.

Regardless of what quality battery you have, most auto part stores will run a free battery capacity test for you. That will help you determine whether your battery is the problem, or whether something in the car is excessively draining it when the ignition is off.
 

Smiley-EL

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Fort Worth, Texas
Buick Ownership
2006 Buick Lucerne CXS, Black and chrome with tan leather
Thread starter #3
No sir. I learned an expensive lesson going that route with my DeVille a number of years ago. I spent the money for the biggest and best one the make for my car. It has a three year extended warranty too.
 

kojimep

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#4
How long was it sitting since you ran it last? I know on my 06 CXS that if it sits for about 9 days or longer it will be dead, I always have to make sure to run it once a weak, or put a trickle charger on it.
______________________________
 

Bobert

Buick Newbie
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Louisville KY
Buick Ownership
5 Buicks - new used 07 Lucerne, Black cream int with coco accents. 4 Reatti (Plural of Raetta)
#5
This single digit cold snap and same no start thing. Mine kept needing jumping. Doing short hops. Computer charging system test said battery low but capable. A deep charge and it's good.
 
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