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Old Feb 3, 2011 | 11:00 PM
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Hey guys! I just bought a 2011 ZR1 a few weeks ago. I've noticed that it seems hard to start. Almost as though the battery is not good. I've not driven it much due to weather but maybe I need to hook up a trickle charger to it? My '08 has the original battery in it and has no issues - starts right up. Thoughts? Is this something the dealer should deal with since the car is brand new? Is it a ZR1 issue - harder to start? Just wondering your thoughts. Thx.
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Old Feb 3, 2011 | 11:51 PM
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Originally Posted by Texas08C6
Hey guys! I just bought a 2011 ZR1 a few weeks ago. I've noticed that it seems hard to start. Almost as though the battery is not good. I've not driven it much due to weather but maybe I need to hook up a trickle charger to it? My '08 has the original battery in it and has no issues - starts right up. Thoughts? Is this something the dealer should deal with since the car is brand new? Is it a ZR1 issue - harder to start? Just wondering your thoughts. Thx.
Definitely take it back to the dealer since it's new.

San
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Old Feb 4, 2011 | 01:03 AM
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What he said and:

I was told by the dealer that anytime you are planning to not drive the car for any longer than three days to connect it to a charger, like a battery tender plus, or at least to put it into reverse. Apparently, in reverse, it bypasses most all of the electronic monitoring that runs the battery down fast.
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Old Feb 4, 2011 | 01:16 AM
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Originally Posted by fmarshall
What he said and:

I was told by the dealer that anytime you are planning to not drive the car for any longer than three days to connect it to a charger, like a battery tender plus, or at least to put it into reverse. Apparently, in reverse, it bypasses most all of the electronic monitoring that runs the battery down fast.
Your dealer isn't very sharp (most aren't). Stock batteries don't discharge that fast. Early C6s (2005s and maybe 2006s) had an issue with batteries draining if not in reverse but that isn't the case anymore. My 2007 has never had any issues and I run a lightweight battery.

San
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Old Feb 4, 2011 | 05:04 AM
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You should be hooking it to a battery tender. It should have come with one at the time of purchase.
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Old Feb 4, 2011 | 06:04 AM
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Another clueless dealer when they tell you to put anything newer than 2005 in reverse........
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Old Feb 4, 2011 | 06:34 AM
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Originally Posted by foremaw
You should be hooking it to a battery tender. It should have come with one at the time of purchase.
Really - I think a call to them to see where my battery tender is is in order. We have one so I'll hook it up today. However, since the dealer had the car on the lot at least since August, I'm thinking the battery is not good. I'm thinking they owe me one of those too.

There's another thread on Gen Disc. about the battery issue in '05s. I don't park mine in reverse, I, for some reason, leave it in first. Maybe that's how I learned years ago.

Thanks guys!!!!
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Old Feb 4, 2011 | 06:36 AM
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Originally Posted by oldmansan
Definitely take it back to the dealer since it's new.

San


I have 1200 miles, approximately 1.5 months, and zero issues.
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Old Feb 4, 2011 | 07:03 AM
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Originally Posted by Texas08C6
Really - I think a call to them to see where my battery tender is is in order. We have one so I'll hook it up today. However, since the dealer had the car on the lot at least since August, I'm thinking the battery is not good. I'm thinking they owe me one of those too.

There's another thread on Gen Disc. about the battery issue in '05s. I don't park mine in reverse, I, for some reason, leave it in first. Maybe that's how I learned years ago.

Thanks guys!!!!
I don't think he meant that you are owed one, he FEELS it should have come with one since we often leave our cars sit for a long time and NEED one
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Old Feb 4, 2011 | 07:45 AM
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Originally Posted by tomiboy
I don't think he meant that you are owed one, he FEELS it should have come with one since we often leave our cars sit for a long time and NEED one
Ah! OK, another question. This is a ZR1. The battery is in the trunk. Obviously one shouldn't 'shut' the hatch once the tender is hooked up - does the cabin light stay on? How does that work? Bear with me - I'm learning. (We need a blond smilie). This one might do
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Old Feb 4, 2011 | 09:52 AM
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Plug it into the lighter. You can close the door. It will be fine.
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Old Feb 4, 2011 | 10:00 AM
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Lisa, note that there is a difference between a "charger" and a battery "maintainer" (brand names is/are Battery Tender, Ctek, Schumacher, Battery Tender Jr., etc.). the "maintainer" has an internal on/off so that your battery does not overcharge itself.

I use the lighter plug, too, to keep mine maintained. But I would think there is some kind of battery terminal/connection under the hood, not just where the battery is physically located.

As to hooking up this battery "maintainer" whichever brand you buy, when you're not going to use the car for a few days---let's put it this way: it can't hurt. One poster put it very well: why not do it since it's easy, and then days later when you have left the car for 5, 7 or more days, you don't have to be worrying that you may have an issue. Of course, you shouldn't have to for a few days of not using it, or even more.

You probably already know the price of these maintainers can be as little as <$10 at Harbor Freight, $20+ at Walmart, up to $80 for some Cteks.

Good luck with it.
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Old Feb 4, 2011 | 01:05 PM
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Originally Posted by AORoads
Lisa, note that there is a difference between a "charger" and a battery "maintainer" (brand names is/are Battery Tender, Ctek, Schumacher, Battery Tender Jr., etc.). the "maintainer" has an internal on/off so that your battery does not overcharge itself.

I use the lighter plug, too, to keep mine maintained. But I would think there is some kind of battery terminal/connection under the hood, not just where the battery is physically located.

As to hooking up this battery "maintainer" whichever brand you buy, when you're not going to use the car for a few days---let's put it this way: it can't hurt. One poster put it very well: why not do it since it's easy, and then days later when you have left the car for 5, 7 or more days, you don't have to be worrying that you may have an issue. Of course, you shouldn't have to for a few days of not using it, or even more.

You probably already know the price of these maintainers can be as little as <$10 at Harbor Freight, $20+ at Walmart, up to $80 for some Cteks.

Good luck with it.
Thanks Bill. You know, I've never had issue with my '08 and it's gone sometimes 2 weeks without being driven. This one however, seems to be having a problem starting from one day to the next. That's why I think the battery is weak.

I know we have a tender that hubby used on his bike but I thought it plugged into a wall socket. I'll be checking this out and getting something. This car isn't going to see the miles that my other one has so it will be sitting sometimes for days.

Hope you are warm up north - it's darn cold down here in the south.
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Old Feb 4, 2011 | 01:15 PM
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Originally Posted by fmarshall
What he said and:

I was told by the dealer that anytime you are planning to not drive the car for any longer than three days to connect it to a charger, like a battery tender plus, or at least to put it into reverse. Apparently, in reverse, it bypasses most all of the electronic monitoring that runs the battery down fast.
This urban legend just won't go away....and goes to prove how uninformed Dealer personnel may be. Only the '05 MN6's require shutdown in Reverse. The issue was some idiot Federal regulation in that year (and '05 only) that led to the on board electronics remaining "live" unless trans was in Reverse on shut down. If not, there would be drain on batteries that led to the so-called "DBS"....Dead battery Syndrome.
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Old Feb 4, 2011 | 01:43 PM
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Originally Posted by Dave S
This urban legend just won't go away....and goes to prove how uninformed Dealer personnel may be. Only the '05 MN6's require shutdown in Reverse. The issue was some idiot Federal regulation in that year (and '05 only) that led to the on board electronics remaining "live" unless trans was in Reverse on shut down. If not, there would be drain on batteries that led to the so-called "DBS"....Dead battery Syndrome.
Thanks for clearing that up. In defense of the dealer, in this particular instance, it was the sales manager and not the service manager FWTW.
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Old Feb 5, 2011 | 01:00 AM
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Originally Posted by Texas08C6
Thanks Bill. You know, I've never had issue with my '08 and it's gone sometimes 2 weeks without being driven. This one however, seems to be having a problem starting from one day to the next. That's why I think the battery is weak.

:
Your description of what the battery is doing is classic symptoms
of the battery having a weak cell.

My 09 battery has been great but when it goes I will put a Sears Platinum in it. I have them in my truck and my previous car. I have never seen a battery with the reserve power those have. I run the rad fans at the track almost all day. When I put the Platinum in the last car I went from be careful not to kill the battery to don't worry at all.

Gary
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Old Feb 5, 2011 | 06:08 AM
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Originally Posted by tomiboy
I don't think he meant that you are owed one, he FEELS it should have come with one since we often leave our cars sit for a long time and NEED one
No, actually I meant he may be owed one. To the OP, check to see if you have RPO Code ERI in your ZR1 order. If so, that's the GM Battery Protection Package and its a battery tender. If its in your order, then they should have provided it to you.
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Old Feb 6, 2011 | 05:30 PM
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Ford sent the owners of the GT (the one that looked like the GT40, not the Mustang) a charger because the batteries kept going dead. Maybe GM should do that fro ZR1 owners......
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