By PETER SVENSSON
AP Technology Writer
NEW YORK – Cars use lights, bells and buzzers to remind drivers to fasten their seat belts as they start their engines.
It would seem natural, then, to offer motorists friendly, yet stern warnings about another bad habit: holding a cell phone while driving, whether for texting or talking.
Several software and gadget companies – many of them at the country’s biggest trade show for the wireless industry last week in Las Vegas – have sprung up to address that challenge. But creating an effective, widespread solution looks a lot harder than putting in reminders for seat belts.