When I stop at a red light if my air conditioning is on my car won't auto stop l. When the ac is off it will auto stop no problem as soon as I turn the AC on the engine will cut back on and rough idle and start to kind of shake it almost seems like it wants to cut off completely like it maybe...

Hello! Newbie to the Malibu world here! I just purchased my 2017 Malibu this week and have a question regarding the Auto-Stop. Before we were able to take our Malibu home, we took home a loaner (same year, same trim, different color). The loaner had the Auto-Stop enabled. Our Malibu has it...