The diner is not answering my call. What can I do? Grubhub for Drivers Updated February 05, 2019 01:45 Follow Diners usually call back within 10 minutes after they have been contacted. We recommend tapping “There’s a problem,” then “Diner is not home.” You’ll then be prompted to chat with Driver Care. Related articles Where should I park when I arrive at the restaurant? Someone else picked up my order at the restaurant. What can I do? The diner has an issue with the order. What can I do? I received an offer in a neighborhood that I believe is unsafe. What do I do? What should I do if there’s an emergency (e.g., I got into an accident)? Comments 0 comments Article is closed for comments.