I have a 2015 3.8 AWD with Tech and Sig package. I bought it in August as a CPO vehicle. Since then I always have the "Check AEB" warning light come on at random times. Usually when I am behind a SUV or car larger than mine. Happens in dry sunny conditions. Also, it seems as the SCC doesn't really slow down until the very last second. I have it at 4 bars and it gets pretty close before it starts to hit the brakes. I have now taken it too two dealers. The first dealer said it was because the sensor plate was dirty. They cleaned it and then said they could not re-produce the warning (though it happened again 2 miles from the dealer). Just yesterday I took it too the original dealer that I bought it from. They said there was nothing they could do as it worked fine and there were no diagnostic codes coming up. They said they test drove it and could not reproduce the error. They said they re-calibrated the SCC (whatever that means) and that was it. Again as soon as I left, on the 20 miles home, the error came up 4 times. At wits end here. Has anyone had any of these issues or know's how to get the dealer to actually fix this- or even a better dealer to use? I thought maybe its the cameras in the windshield but I don't know how to access them to clean the lenses? I live in the NW Suburbs of Chicago. Thanks in advance!