Removing major/minor dents from the body. Repairing the vehicle body and chassis component. Carrying out repairs for metal corrosion on the structural panel. Assisting the Body Specialist in denting-related jobs An auto body technician works on the exterior of cars. They perform tasks that are related to the repair, maintenance, and upgrading of these parts. An auto body technician will also help to prepare vehicles to be painted. They do this by refinishing the exterior of the car and sanding it, among other things.