Experts say a delay of more than 2 seconds is dangerous . The NTSB wants to ban use of hands - free phones in cars . And those systems are becoming more sophisticated . Cell phones are more distracting than talking to people , experts say .
Experts say a delay of more than 2 seconds is dangerous . The NTSB wants to ban use of hands - free phones in cars . Cell phones are more distracting than talking to people , experts say .