The radar sensor polling on GM vehicles is terrible. It's not instantaneous, like most vehicles, but GM's implementation is very temperamental. It's a brand new car, so they can run a recalibration.
When new sensors were installed on my Escalade they had to do it so it can't hurt.
All of the interviews that I've seen with the GM Engineers imply iron rotors for frequent track use if cost is a concern. I believe they said the ceramics are more consistent.
Happy to see all the owners with track time.
Yes, I had a similar problem. Assuming you haven't had any body work done and the sensor is undamaged and clean, it has to do with the way the sensors are installed, a defective sensor, or a calibration issue.
If the car is still under warranty I would take it in.
@Chipless I hope you find one.
I'm looking for the same in a CT4 or CT5, but I don't care about the paint and suede.
Not a ton for sale right now due to the weather, but more will start showing up in the Spring.
It's all about timing. Don't stop looking. I put a very low reserve on mine due to a family emergency and the buyer got a great deal. Good luck with your search.
I agree, that seems to be true for vehicles in general.
There will be exceptions, Porsche comes to mind, where buyers expect certain options for the model.
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