Grape Ape I feel your pain.
Mine went dead in my driveway.
I didn't have the time or patience to mess with the dealer over a dead battery. I didn't want to have another stock GM battery anyway.
Next time it is at the shop I will give them the dead Delco and ask them to check for any electrical draw down or current loss.
I put in an Optima Red Top and so far so good. The Optima has 800 CCA Amps verses the stock one which is 500 CCA (I think)
And if it had gone dead in the boonies I would have been screwed. If the battery is totally dead I wouldn't count on OnStar working and besides I've been in places with no cell phone or OnStar Service.
If I had to walk out to get help (assuming I could hike 30+ miles in the desert) with a new vehicle sitting there dead I would not have been a happy camper >
Why doesn't GM put in a better battery to save all these types of hassles.