Drivers are permitted only to use hands-free mobile telephone accessories. However, drivers who are 16 or 17 years of age are not permitted to use any type of cell phone or mobile electronic device while driving, including a hands-free device.
Hand-held cell phones or mobile electronic devices may not be used while operating a motor vehicle on any public highway.
The exceptions to this requirement include emergency situations and some emergency responders. See your driver's manual for more details.