Visual/Physical Inspection

WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. 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. Refer to Checking Aftermarket Accessories .
Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom.