Disconnecting the battery & relearn procedures

[gclark8]

I am about to replace the battery, it's 2 1/2 years old now, do I need to keep a 12volt supply across the leads during the swap over?

Edit: I called the Dealer; yes to keeping 12v across the leads during the change over.

Pix of old battery:


http://www.acdelco.com/pdf/resource-...ies%20Info.pdf

New battery was $140.90, all the way from the USA!!