Originally Posted by
_Bowser_
I've added a MPVI3 to My Devices, but when I try to added GM credits, I received an error message: MPVI Credits cannot be added to the cart until the serial number is selected or specified in your My Account/My Devices page
But, when I go to My Devices and click "Add Credit" ... It only shows me option to add Universal Credits, which I can add to my cart successfully.
My 2004 Avalanche only requires 2 GM credits OR 6 Universal credits... so, do I have to buy 6 Universal credits???