Visual/Physical Inspection

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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.