Visual/Physical Inspection

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for aftermarket devices which can affect the operation of the Cruise Control System.
Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom.