When using a cell phone while driving, drivers lose positive control of the vehicle because it takes their hands off the steering wheel. Drivers without a hands-free device who need to make or recieve a call should pull over to a safe spot and use their cell phone. (Photo illustration) - When using a cell phone while driving, drivers lose positive control of the vehicle because it takes their hands off the steering wheel. Drivers without a hands-free device who need to make or recieve a call should pull over to a safe spot and use their cell phone. (Photo illustration)