(a) (1) Except as otherwise provided in subsection (b) of this section, a driver of a motor vehicle shall not operate a motor vehicle while using a wireless telecommunications device to:
(A) Write, send, or read a text-based communication; or
(B) Access, read, or post to a social networking site.
(2) A driver of a motor vehicle is not in violation of subdivision (a)(1) of this section if he or she reads, selects, or enters a telephone number or name in a wireless telecommunications device for the purpose of making a telephone call.
(b) A person is exempt from the requirements of this section if he or she is:
(1) Performing official duties as a certified law enforcement officer, firefighter, ambulance driver, or emergency medical technician;
(2) Operating a motor vehicle while using a wireless telecommunications device to:
(A) Report illegal activity;
(B) Summon medical or other emergency assistance;
(C) Prevent injury to a person or property;
(D) Relay information between a transit or for-hire operator dispatcher, if the wireless telecommunications device is permanently affixed to the motor vehicle; or
(E) Navigate using a global positioning system; or
(3) A physician or healthcare provider using a wireless telecommunications device to communicate with a hospital, health clinic, or the office of the physician, or to provide for the health care or medical emergency of a person.