It occurred to me with poor workmanship that I received from my dealer that I was dealing with a bunch of kids, even the service manager was a kid and didn't even know the very basics of the Cruze. But yet I keep on getting emails and brochures from them that they are expert factory trained mechanics.
Sounds like a kid wasn't even capable of positioning those four arms of the lift properly before lifting your Cruze. When I was told by a GM rep on this board to find a different dealer found one where the service manager was in his 60's, been around the block and knew what he was doing. Even the mechanic working on my car was in his 50's and was able to keep his job by doing consistent good work.
What's the future of that person that wrecked your car? Certainly not making money for his dealership, ha, watch out for kids. Ever notice is getting rare to find an older mechanic, pushed constantly to meet unreasonable times. Run into this myself with the crap they are making today, should take an hour to change a water pump, but not when all the bolt heads snap off. Spend hours drilling them out. And one slip of a wrench can break a cheap plastic sensor. So have to take your time.
The procedure for replacing unibody parts is to first get your hands on the replacement panel and use that as a guide for what has to be removed. And hope they have a spot welder that meets factory specifications to get a good weld and count the number of welds from the old panel. And to do good consistent work. One good reason for unibody construction, people were eliminated from this task and replaced by robots.
Key reason for me dumping a unibody vehicle is rusted out rocker panels, vehicle sags in the center and can no longer be jacked up properly. Don't even bother attempting to change a rocker panel, there is nothing left to weld the new panel to.
Sometimes, a guy has to hire an attorney, but if you have a good insurance company with collision, can leave it to them to fight it out. Cutting out a panel and jamming a piece of aluminum under it and filling it with bondo is not a very good repair. This is a main structural item.
Don't take any advice from posters that don't know what they are talking about.