I've had my 2006 G6 GTP for 4 years. It wouldn't restart after it's been drove and at temperature. For The last year, the doors lock and unlock by themselves, repeatedly.
I just seen this video describing my exact problems and many of you guys' problems.
Ground wires. Freaking ground wires! I...
First Day. Grabbed this G6 off of craigslist for $900. Runs Fine. Needed AC, New tires, New Front struts, and a Radio. I have installed all since I bought it. Going to turn her into a mean sleeper. Stay tuned.