tune in
• watch or listen to a television or radio broadcast.
• "tune in next week and find out!"
• be aware of, sensitive to, or able to understand something.
• "it's important to be tuned in to your child's needs"
tune into
• watch or listen to a television or radio broadcast.
• "28.1 million viewers tuned into the show"
• become sensitive to something.
• "you must tune into the needs of loved ones"
