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The " Service CCR" error message is referring to a fault somewhere in the electronic suspension system on the vehicle. CCR stands for Computer Controlled Ride.
There really is very little that can be done in the driveway without proper test equipment to accurately diagnose and repair this system, and you really dont want to throw parts at it since pretty much anything is expensive. I would suggest taking it in to a technician familiar with this system for diagnosis. This system has self diagnostic capability, but a scan tool with the capability of reading live sensor and actuator data in the suspension system will be needed at some point during diagnosis.
Hope this is helpful!