It is not an issue installing that we are talking about. The issue is with every remote start, it clears the ECM/PCM as if you disconnected the battery and all of the readiness monitors and stored faults are cleared. That is TRASH HARDWARE that should never happen.I’ve installed on multiple CX fives, And have not had an issue yet as long as you follow the directions properly, I’m sure there’s a small portion of people who do not know how to read, let alone plug-in and follow directions. And it would definitely suck to be without a car that starts not to mention how much it would cost the dealership to reprogram the ECM.