A:Answer Hi Hisense Customer, Thank you for your interest in the Hisense 55U7N. To adjust closed captions, you would need to go to Settings > System > Accessibility. If you have any further questions or concerns, please give us a call at 1-888-935-8880 or email us at Service@Hisense-usa.com. Thanks again, Harley with the Hisense Support Team.