Parts and accessories for vehicles; parts and accessories for land vehicles, especially autonomous or semi-autonomous land vehicles; parts and accessories for commercial vehicles, especially autonomous or semi-autonomous commercial vehicles, autonomous or semi-autonomous trucks and tractors, and autonomous or semi-autonomous delivery vehicles; fuel tank systems and parts thereof for land vehicles; fuel supply systems and parts thereof for land vehicles; fuel tanks for land vehicles, fuel tanks made of plastic for land vehicles; closing caps for fuel tanks of land vehicles; systems consisting primarily of plastic tanks, fill tubes, pumps and/or fill level sensors, for exhaust gas after-treatment using an aqueous urea solution and parts thereof [vehicle parts]; systems consisting primarily of plastic tanks, fill tubes, pumps and/or fill level sensors, for exhaust gas after-treatment in land vehicles and parts thereof [vehicle parts]; SCR systems consisting primarily of plastic tanks, fill tubes, pumps and/or fill level sensors, for land vehicles and parts thereof [vehicle parts]; tanks for liquid urea solutions for land vehicles; plastic tanks for liquid urea solutions for land vehicles; SCR tanks for land vehicles; cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles, especially autonomous or semi-autonomous land vehicles, commercial vehicles as well as delivery vehicles, and parts thereof [vehicle parts]; cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles, especially for autonomous or semi-autonomous land vehicles, commercial vehicles as well as delivery vehicles, and parts thereof [vehicle parts]; windshield cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; headlight cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles, especially autonomous or semi-autonomous land vehicles, commercial vehicles as well as delivery vehicles, and parts thereof [vehicle parts]; sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for land vehicles, especially autonomous or semi-autonomous land vehicles, commercial vehicles as well as delivery vehicles and parts thereof [vehicle parts]; cleaning systems, consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for optical, acoustic, capacitive or inductive sensors of land vehicles, especially autonomous or semi-autonomous land vehicles, and parts thereof [vehicle parts]; cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for optical, acoustic or capacitive sensors of land vehicles and parts thereof [vehicle parts]; camera cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; camera cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for land vehicles and parts thereof [vehicle parts]; ultrasonic sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; ultrasonic sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for land vehicles and parts thereof [vehicle parts]; LiDAR sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; LiDAR sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for land vehicles and parts thereof [vehicle parts]; RADAR sensor cleaning systems, consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; RADAR sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for land vehicles and parts thereof [vehicle parts]; LASER sensor cleaning systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for land vehicles and parts thereof [vehicle parts]; LASER sensor cleaning systems, consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices using water and/or air for land vehicles and parts thereof [vehicle parts]; tanks for cleaning systems for land vehicles [vehicle parts]; plastic tanks for cleaning systems for land vehicles [vehicle parts]; activated carbon filter systems consisting primarily of plastic housings, adsorption media and/or filter fabric for land vehicles and parts thereof [vehicle parts]; activated carbon filters for cleaning gases and liquids for land vehicles [vehicle parts]; fuel tank ventilation filter; fill level sensors for cleaning systems for land vehicles [vehicle parts]; pumps for cleaning systems for land vehicles [vehicle parts]; nozzles for cleaning systems for land vehicles [vehicle parts]; non-metal hoses and valves for cleaning systems for land vehicles [vehicle parts]; battery systems consisting primarily of plastic housings, batteries, battery temperature control devices and/or charging electronics for electric vehicles or hybrid vehicles and parts thereof [vehicle parts]; batteries for electric vehicles or hybrid vehicles [vehicle parts]; housings adapted to batteries for electric vehicles or hybrid vehicles [vehicle parts]; plastic housings adapted for batteries for electric vehicles or hybrid vehicles [vehicle parts]; batteries with plastic housings for electric vehicles or hybrid vehicles [vehicle parts]; plastic-metal composite housings adapted for batteries for electric vehicles or hybrid vehicles [vehicle parts]; batteries with plastic-metal composite housings for electric vehicles or hybrid vehicles [vehicle parts]; water and/or air distribution systems consisting primarily of plastic tanks, pumps, supply lines, distribution valves, cleaning nozzles and/or cleaning control devices for cleaning systems or cleaning systems for land vehicles, especially autonomous or semi-autonomous land vehicles, commercial vehicles as well as delivery vehicles; water collection systems consisting primarily of plastic tanks, pumps, supply lines and/or distribution valves and systems consisting thereof for land vehicles [vehicle parts]; water treatment systems and devices for land vehicles [vehicle parts]; water purification systems for land vehicles [vehicle parts]; water softening devices for land vehicles [vehicle parts]; water desalination devices for land vehicles [vehicle parts]; water deionization systems for land vehicles [vehicle parts]; potable water treatment systems for land vehicles [vehicle parts]; process water treatment systems for land vehicles [vehicle parts]; water tanks for land vehicles; plastic water tanks for land vehicles; plastic process water tanks for land vehicles; plastic potable water tanks for land vehicles; vehicle parts for the interior equipment of land vehicles; interior trims for vehicles; interior trims for vehicle roofs; headliners; headliners of foamed plastic; heated headliners; headliners as components of an air-conditioning system; headliners with integrated air outlet openings; headliners with integrated air mass control devices; headliners with integrated air flow actuators; air outlet devices and modules for air-conditioning systems and air-conditioning devices for land vehicles [vehicle parts]; air outlet devices and modules of foamed plastic for air-conditioning systems and air-conditioning devices for land vehicles [vehicle parts]; air filter devices for land vehicles and parts thereof [vehicle parts]; air purification systems for land vehicles and parts thereof [vehicle parts]; air purification systems and air filters for land vehicles for removing microorganisms [vehicle parts]; air purification systems and air filters for land vehicles for removing volatile organic compounds [vehicle parts].;