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Another long term storage question 2017 Volt

3659 Views 6 Replies 6 Participants Last post by  Barry
I am going to be leaving my 2017 Volt outside for 3 summer months in Miami (Daytime highs mid 90's, night time lows mid 80's.....). I have searched the forum posts on this subject, but they are a little confusing. For one, my owners manual has no information on long term storage, it only says to leave car plugged in when not using so battery is maintained at correct temperature. Many posts mention information that is in the owners I am out of luck.

My question is, did they change the software/hardware in the car so it is now correct to leave it plugged in? What is the proper way to leave it when it is hot outside? At this point I am thinking of leaving the battery at half charge and attaching a trickle charger to the battery terminals under the hood (which I assume is the other 12V system).

Thank you for any good answers....
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Yes, I am worried about Hurricanes and flooding....but if the car gets flooded next to my house I have bigger problems....

It is interesting that in my 2017 owners manual it has taken out all the information about long term storage. That is why I was wondering if they figured out some change in the software or hardware to make that obsolete...if I remember right from where someone else quoted an earlier owners manual, it also said to leave it at a temperature less than 85F...which isn't going to happen unfortunately (if it did I wouldn't be leaving....)...this is why I wondered if they changed anything..or had other advice for hot climates. Last summer I could tell my son just to drive it when he wanted...but unfortunately he has moved to the other coast.

At this point I will run the battery down to the two or three bars, put a cover on it, and attach a trickle charger to the terminals under the hood. I would play with the transport mode, but my wife may come home for a day or two in the summer and need to drive it...this routine seems pretty easy for her to undo and then redo....

But if someone knows about some change, or difference in hot weather please tell me....

thank you
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