Yup...using the voice command is the only way it will work without putting the SUV in park.You can hit the Voice Command on the steering wheel and ask the lovely lady there for help, such as finding a gas station, restaurant, call a friend, etc. Sometimes she drives me nuts when she says "I do not understand your command". Helpful hints are in the Nav manual. It does work most of the time and saves you from stopping and putting the car in park. You need to go to Setup mode and look for the speech command setting to set it up.