check front engine mount, I have same problem with my 2010 model Aurion. I was told that front engine mount is malfunctioning and causes this noise at startup
I have 2010 model Aurion. I have noise at start up. Took car to the dealer and they found that front engine mount is malfunctioning. It is vacum operated and it is loosing pressure inside the mount. My car will be fix this week.