[Tim]

You can (depends of the car) remove the - from the 12v battery

Which model years need 10mm and which need 13mm?

 

[Lika]

Which model years need 10mm and which need 13mm?

???????? Good question, my 2017 use 10mm

 

[Tim]

???????? Good question, my 2017 use 10mm

So does my 2019.

 

[Neutrocuted]

Which model years need 10mm and which need 13mm?

So does my 2020.

 

[gbeddow]

The 13mm is what's needed to remove the bracket covering the positive terminal on the EUV:

Time to add a 13mm wrench to the 10mm in your glove box...

While hooking up my 12v battery charger to top it off before I do a health test, I discovered that there is now a bracket in the way. There are a 13mm nut and bolt that need to be removed to remove the bracket and the trim cover over the positive terminal on the 12v battery. Page 283 of the...

www.chevybolt.org

Don't know if it's used for anything else, or for other model years.

 

[Sean Nelson]

The 13mm is what's needed to remove the bracket covering the positive terminal on the EUV:

To do the "10mm reset" you only need to remove the negative terminal of the battery.

 

[gbeddow]

To do the "10mm reset" you only need to remove the negative terminal of the battery.

Correct. I was responding to the question about where the 13mm is used.