MY 2012 has been throwing the service stabiltrack/traction control off off and on for a while now. Took it to dealership and they said the o2 sensor needed replaced and also performed and oil change. A month later lights are back on. Car will turn engine off by itself while sitting still. A week later same warning but this time it says engine power reduced. Had to have it hauled to dealership. They again changed the oil 50 days after the last change. Drove it and it will actually drive now, but stabilitrack and traction contorl still.going off and on. Is there any ideas on what I can ask them to look at as they are at a loss and want me to come get my car after not fixing the problem.