Not even relevant to the OP's question regarding Mazdas Radar Cruise Control Mike!
Is your CX5 equipped with or have you driven a CX5 with Mazda Radar Cruise Control?
The MRCC is designed to drive with traffic, unlike standard cruise control which is impossible to drive in traffic with. Otherwise... what's the point in its's design?
The original question was answered in the first post. Once the original question is answered, we might as well have a friendly discussion on the topic.
btw.. the MRCC is not designed to be used in heavy traffic.
Traffic, yes, but heavy traffic where OP is constantly getting cutoff is not a good place to use it.