The tasks an Accessory Fitter is expected to perform include: Installing and fitting vehicle accessories. Installing and fitting the vehicle's exterior, interior, media and entertainment accessories. The tasks an Accessory Fitter is expected to perform include: Installing and fitting vehicle accessories. Installing and fitting the vehicle's exterior, interior, media and entertainment accessories. Fixing security related accessories depending on vehicle type and model. Removes old and damaged parts and cleans surrounding areas on vehicles. Fits batteries and installs accessories such as sun roofs, stereos and alarms.