You can surrender or re-surrender , your life by humbly telling God in your own words that you desire to yield control of your life to Him in repentance and faith. Or, if yo wish , you can pray a prayer like this:
" Lord Jesus, I need you in my life right now more than I ever have. I have very little joy, peace, and passion in my life. I confess that I have been trying to have the best of both worlds, that I have been double minded, and I have been seeking the God I have wanted and not the God who is. I am sorry, and I repent. Please forgive me. Thank you for loving me so much that You would die for all my sins so that I can have eternal life. By faith I receive( or renew) my salvation and I surrender my life to You. Take control of my life. Make me into the kind of person you want me to be.
I pray this in Your name, Lord Jesus, and for your glory.- Amen!