Autistic Child Emergency Decal. This car decal can be placed on any car window (sticker) to alert emergency personnel that there is an autistic child in the car in case of a car accident. Be Safe! In An Emergency, Helpers May Not Understand Our Children. Place Decals At Each Of Your Doorways And On Windows Of Your Home And Vehicles. This is a great item for Group Homes, Residential Facilities, Work Centers, Schools, And Vehicles That Service Persons With Autism Dimensions: 4" x 4"