[Random]

In addition to cleaning the windshield, also clean the front plastic grill over the radar.

There have been a number of reports of CC, I think including ACC, failure due to a brake pedal switch issue, see:

http://gm-volt.com/forum/showthread.php?280265-2017-Cruise-Control-Brake-pedal-issue&highlight=acc

http://gm-volt.com/forum/showthread.php?284714-Intermittent-cruise-control-problems&highlight=acc