2.5 LITER ENGINE AT STOP ENGINE SHAKES FOR NO REASON. AS USUAL TAKE TO DEALER AND CAN'T FIND ISSUE WITHOUT A CODE. NOW AT 2572 MILES STILL SHAKES AND DEALER SAYS THAT ALL ATS DO THIS SO LIVE WITH IT. I SAY THAT THIS ATS BY GM. NEEDS TO TAKE THESE ISSUES SERIOUSLY AS THIS WILL HURT THE SALES OF A REALLY COOL CAR. IS THERE SOMEONE THAT CAN GET THE CEO OF CADILLACS ATTENTION THIS IS UNACCEPTABLE TO PAID OVER 35K. WHEN I HAVE BRAND NEW KIA THAT HAS A 4 CYCL ENGINE WITH NO ISSUES. COME ON GM. LETS GET THIS ISSUE RESOLVED I HAVE ALREADY FILE A COMPLAINT TO GM. BUT NO RESPONSE PER USUAL. NO WONDER WE BY NON AMERICAN CARS.I HAVE WAITED 13 YEARS TO GET A NEW CAR AND I THOUGHT I GIVE THE ATS A TRY. WHAT ASHAME THAT SUCH A COOL CAR THAT THIS ENGINE RUINS THE GREAT FEELING TO OWN A AMERICAN CAR. CAN SOMEONE PLEASE HELP US. O BY THE WAY THE DEALER IS HILL CADILLAC IN NEWTOWN. EDGEMONT PA. ANY OTHER ATS CUSTOMERS HAVE SAME ISSUES. I SEE ON CADILLAC FORUM THERE SEEMS TO BE A LOT OF FRUSTRATION ABOUT LACK OF A FIX. *TR