Though not familiar with the ATV specifically, Cecil was competent enough to assist with the repairs on the damaged vehicle.

When he was worried about annoying Kenny, he decided to get a drink. There was likely water in the ATV, but two other Junkers off under a tree seemed to have a cantine and food. Cecil hefted his rifle over his shoulder and walked over to them. 

"Hello," he greeted wearily, not quite feeling bad about interrupting. "Could I join you? That, uh, was some... Event."