Saiga12

guys, a new battery was dead after a week without driving. After how many days without driving can you start the car? how to close the door without battery? the glass is too high and it crashes to the rubber in the window...I tried more force....I tried to pull the cable in the car trunk+push the button on the door-nothing helped...sorry, but I feel really stupid the Chevrolet solution...I am charging the battery upstairs and I can not close and lock the car-absolutelly amazing

irok

hook a fast charger to your battery cables and re-index the window,then close the door.my car has sat for near 2 months and started fine at -40F

OregonMike

I went 4-5 months working on mine without a battery at all. I used the cable to open and shut it with just some slight inward pressure on the top of the window to help it under the seal. My car was outside over the rainy Oregon winter and I couldn't leave the windows down.

Odo

These cars have very minor battery drain when parked, I've let mine sit for 2~3 months and it still cranked okay when parked with a strong battery. That said, if the battery is already old (think 3+ years), you might not want to leave it for more than a week or two without at least running for a bit to keep voltage up or being kept on a battery tender. Only had one replacement battery since 2007 and the first only went out because I stupidly used it to jump a friend's car on 2017-11 (still lasted 3 months after).

For a new battery to die in a week you absolutely need to be looking at some type of parasitic drain (or you left something open/on). To close the door when battery is dead your best bet like irok said is to charge the car a bit so the BCM can lower the windows a bit (don't close it all the way to the top, do it just short of the rubber seal so it's touching but not fully inserted in the seam so you can open/close without flexing the window rails too much when the battery is dead).

saplumr

Got uid0

Highly recommend installing the big 3 wiring kit.

It helped solve power/ground problems for me and my parasitic drain. I can only assume bad grounding was causing something not to go to sleep when it was told to in my situation.

http://www.saccitycorvette.com/C6-Big3.html

Saiga12

but I have a big power cut (racing style)-maybe it is already something similar, it looks similat,but the ground is not on motor body...the only solution for me is to turn off the electricity completelly when I do not drive 1-2 days......let me one question: when I turn on the electricity with this power round button, the horn starts to create a loud noise....I have to push the unlock button on FOB to make it silent and stopped...is there any easy way how to block this loud alarm? it happens also always aftere buaatery charging out of the car....

irok

after sitting for 6 weeks one fine morning I had no choice but to move the car.It was -40F and battery tender was not on car.guess what? It instantly fired right up

Odo

Compared to modern cars/Euros? Not even close. Provided you don't have poorly wired aftermarket mods you should be able to park it close to 6~8 months and still crank assuming you're parked at about 90% battery health (did my calc assuming OE group size and a C6 base expected drain).

Got uid0

LOL you don't own a corvette

Odo

07 Base M6.

I've been doing fleet management for 6 years.

saplumr

Odo

"Only had one replacement battery since 2007 and the first only went out because I stupidly used it to jump a friend's car on 2017-11 (still lasted 3 months after)"

Got uid0

Most of the drain issues is caused by poor grounds from the factory causing bad signals to shut off the various components. The onstar system is a big parasitic amp draw for many.

Apocolipse

Dont lock it before turning the power off.

It remembers that it was locked before so when u turn it back on it freaks out.

theandrewo

Let my car sit for about a month without being started this summer. New battery was installed in December 2017. It was as dead as a doornail.