saying the american president would be a better choice to answer questions. he has been criticized for not speaking up sooner about toyota's troubles. >> toyota is considering changes to the push button ignition, a feature on a growing number of cars. as it turns out, many drivers don't fully understand how the system works. unable to shut the car off during an emergency. here's an a.m. original. >> reporter: what would you do if your car went out of control? the toyota recall prompted a lot of drivers to think about that. what would they do in the event of an emergency. with high tech electronics and push button ignitions, it's more complicated than you think driving his 2007 toyota avalon when the car started acting strangely. >> that's where i noticed the acceleration, that the engine was speeding up and i was -- my