A:AnswerLook at the audio input photos for the Head Unit and see if it has the proper inputs for your DVD player. It should also list the inputs in the Specifications section on the Best Buy website. Does your DVD use HDMI, composite video, or simple RCA Jacks for video and audio? I think there is audio inputs for an external device such as a DVD player.
A:AnswerLauren - it comes with a wired USB for Apple Car Play or Android. It also has wireless Bluetooth for handsfree calling and streaming. For streaming music on Bluetooth, you must turn your device up. It is prewired for a back up camera and should fit a Sonata.