ottawarealtor

I have optional rear air bags in my car and I also have a 5 year old that sits in her booster seat and often falls asleep against the door.Does anyone know if these air bags come with any kind of sensors in the seats, so that they are deactivated if a child weighing very little is in the seat? I could put her in the middle, but it is a little awkward when she wants to be beside the window to see the scenary ripping by.Thanks for any input.