Missouri Revised Statutes Title XXXVI. Statutory Actions and Torts § 537.555. No civil liability for forcible entry into a vehicle for purpose of removing an unsupervised minor, when

(1) Determines that the vehicle is locked or there is no other reasonable method for removing the minor from the vehicle;

(2) Has a good faith belief that forcible entry into the vehicle is necessary because the minor is in imminent danger of suffering harm if not immediately removed from the vehicle;

(3) Contacts emergency response personnel including any firefighter, emergency medical technician, law enforcement officer, registered nurse, physician, or first responder prior to forcibly entering the vehicle;

(4) Remains with the minor at a safe location reasonably close to the vehicle until emergency response personnel arrives; and

(5) Uses no more force to enter the vehicle and remove the minor from the vehicle than was necessary under the circumstances.