The roof and sun visor trim are light grey; black color - dashboard, body pillar upholstery, handrails, armrests and floor mats. The color of the seat upholstery, doors, rear shelf is selected depending on the color of the body paint.
The surface of the door and seat upholstery has decorative embossing.
The roof lining is made of perforated polyvinyl chloride film (PVC), the edges of which are glued to the body flanges with 88-PN-35 glue. Additionally, the roof lining is held in place by windshield and rear window seals, and door opening seals. Wire arcs are inserted into the transverse folds of the lining, the ends of which enter plastic anti-squeak bushings inserted into the holes in the upper side reinforcements.
The upholstery of the side roof panels of 2101 cars is also made of PVC film. The edges of the film are fastened with metal clips to panels made of 2.5 mm thick fiberboard (HDF), which has holes for fastening along the front and rear edges. A soft pad of 8 mm thick polyurethane foam is placed between the film and the HDF panels. The upholstery of the side roof panels is fastened with metal tongues of the body side reinforcements, which enter the holes in the HDF and are bent onto the panel under the soft layer of the pad. The front and rear edges of the film are glued to the body flanges and pressed with door and rear window seals.
The side roof panel trim of the 21011 and 21013 vehicles is secured with five plastic holders into the holes in the body reinforcement, and the front edge is glued to the flange of the rear door opening and pressed with a door seal.
The front side panels under the instrument panel are made of waterproof cardboard, the outer surface of which has a decorative embossing. Along the rear edge, the upholstery is secured in holes with two rubber or plastic holders. The front part of the upholstery is secured with a wire holder riveted to the upholstery panel and inserted into the hole through the rubber floor mat.
The upholstery of the rear shelf is made of fiberboard covered with PVC film. The passenger compartment from the luggage compartment is additionally sealed along the rear shelf with a 4 mm thick felt pad installed under the fiberboard upholstery.
The windshield and central pillar trims are made of black ABS plastic. The windshield pillar trims are fastened with screws with a decorative protective coating in inconspicuous places. The central pillar trims are installed on hooks, manufactured together with them, in the holes of the body pillars and are fastened with a screw at the top.
The part of the rear wheel arches not covered by the rear seat is covered with artificial leather.
The floor of the cars is covered with voluminous vacuum-formed rubber mats 2 mm thick, the outer surface of which has a decorative texture. The mats are attached to the front shield with screws, in the door openings - with lining thresholds, in the area of the gearbox casing - with rubber holders.
The floor of the luggage compartment is covered with a polyvinyl chloride mat, which is secured in the front part with rubber holders, and in the rear part with the help of the antennae of the rear crossbar.
The trunk floor of the 2102 and 21021 cars is covered with a black PVC mat, which is secured at the back with buttons and fasteners.