Question about 2006 GMC Acadia

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GMC Acadia Battery?

Has anyone ever hear of this? I have a 2008 GMC Acadia - Onstar, GPS, Electric seats, all the goodies. I didn't use the car for 3 days and the battery died. GM roadservice says you need to use the car every 2 days or so or else the battery will die because of all the electrical devices. Can anyone confirm this? Or is this a job for Mythbusters

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  • Anonymous Aug 13, 2008

    I have a 2007 Acadia and the battery has been replaced twice so far and it is again at the dealer service department for a battery problem. After jumpstarting the car 2-3 times, the battery won't jump anymore and is towed to the dealer. They replace the battery and tell me it was a defective battery. 2 times? I don't think so. My Acadia began having problems 2 weeks ago with stalling issues and a "battery not recharging" message. I told the dealer I do not want the vehicle back until they figure out the problem this time. Something is killing the battery even though nothing dectable is running

  • cbrmnr Jan 24, 2009

    My 2007 Acadia is to the point it will not start after 1 day of sitting.  

  • 2 farmers Mar 21, 2009

    I have the same... 2007 acadia . Back at 1200 miles each time that I had it serviced , I was told that the battery was good-BUT it was LOW needed to be charged . The same is on going at 36336 miles & 9 months later. It is dreven from 125 miles to 500 miles perweek. The amp gauge shows a charge of from 15 to 19 amps. at all times.

    Hollis in Arkansas

  • Anonymous Apr 05, 2009

    Well I have an 09 acadia that is not used all the time and the battery is dead when we go to use it. we have had to jump it twice now. I was going to replace the battery but reading all this it is going back to the dealer ship

  • psoliz25 Apr 09, 2009

    We are having the same problem, let's see what the dealership sais and how long can you return something under a Lemon Law?

  • Anonymous Mar 28, 2014

    How much transmission fluid in 2008 gmc acadia



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There is no way Onstar would drain your battery in two days. Electric seats? They only draw power when they are running, same as any other device in your car, except the clock. You have either a ground -fault issue or a dome light is always on. Good luck.

Posted on May 18, 2008

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I have been having this problem after 40K miles now. I dont know if its the battery or the fact that GM, in all its infinate wisdom (NOT) decided to use a LAN system for everything in the car. This means that EVERY circuit is ALWAYS powered, whether the car is on or not. This is why, if you try to find a switchable fuse to tap into for a radar detector or Garmin you wil be unsuccessful. Also, this is why the cigarette lighters always on. Im not sure what the actual load is on the system when the car is off due to the LAN being powered, but it could be enough to kill the battery after a couple days if the alternater hasnt been run to charge it up.

i have had a radar detector hooked up for about a year now which is ALWAYS on, even when the car is off and it has finally started to take its toll on the battery, I think. The problem isnt your specific car, its the way they designed ALL of them.

Posted on Jan 02, 2010

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My friend had a similar problem  The dealer was unable to fix it.  They returned it under the lemon law, and are now completely  happy with their new replacement Acadia!

Posted on Sep 19, 2008

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Your alternator is finished, its not charging the battery and you are stalling out, hence the alternator is screwed!

Posted on Sep 02, 2008

  • Karmaking Jul 14, 2014

    Batteries also don't last as long as they used to, most last for about 3 years, this is due to all of the additional power requirments for computers and additional components. My next purchase is a Lith ion. more expensive but last a lot longer.


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My 2007 Acadia can sit in the driveway for a month and still have plenty of power left in the battery. The Acadia is funny in that it will sometimes act like it doesn't get any power (dead battery), but letting it sit for 5-10 minutes often allows it to start quickly. Cars aren't like the old days when turning the key directly turned the cars start themselves with the key being more of a formality for turning the starter motor. Push a button briefly and the car will continue to try to start itself, even if the key is no longer being turned.
There is no way your battery should die that quickly unless the battery itself is either worn out or internally shorted and delivering low voltage.

Posted on Apr 19, 2017

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