just bought my crossfire yesterday and I took it for a ride after pulling out of the gas station I felt a little thug as if going into gear ( never felt that before while test driving all around!) then the check engine light came on along with the BAS ESP light on the dash. I pulled into an uphill drive to turn around and go home and it was as if it was no longer in gear I started rolling backward but it was in Drive! I put the brakes on and put it in park it still rolled. I rolled backward to a stop and put it in drive again then park then drive again and it was okay again... drove it home with a light grinding noise like something is going around and around in the engine but engine has power! Has anyone heard of this before before purchase car lot said they changed out the pulley thinking it was the alternator that needed changing. Now this morning the BAS ESP light is off but the check engine light is still on.
I am taking it back today to look at it but obviously they do not know what it is. Does anyone have any advice... love the car!!

thanks
v