If your children are misbehaving or just being overly rambunctious in the back seat, Driver Easy Speak can help you turn their "volume" down by turning yours up. No more having to crane your neck around to tell your kids to calm down. No more yelling into the rearview mirror to try and get their attention. Instead, with the new Driver Easy Speak feature, available on the new 2015 Toyota Sienna and Highlander in Deerfield Beach, you'll outpower your kids' voices with an in-car intercom. Read more for details.