150 Maintaining and cleaning ›  Exterior After hand washing Wash with a pressure washer NOTICE Films Vehicle paint › Rinse the vehicle and wipe it with a suitable clean cloth. › Preserve the varnish at least twice a year with hard wax. › Use a polish for matt lacquers. ▶ Follow the operating instructions for the high- pressure cleaner, in particular the instructions re- lating to the pressure and the spray distance to the vehicle surface. ▶ Do not direct the water jet directly at the following vehicle parts ▶ Films ▶ Lock cylinder ▶ Columns on the vehicle ▶ Trailer connection ▶ Swivelling ball bar ▶ Camera lenses and sensors ▶ Plastic, chromed and anodised parts ▶ Sun rays ▶ moisture ▶ Air pollution ▶ Stones, e.g. due to the rebound of the cargo during transport on the roof rack ▶ Remove snow and ice with a plastic scraper or a suitable deicing agent. ▶ Clean the cameras with a hand brush. ▶ Only move the scraper in one direction. ▶ Do not use scratchers or other sharp objects for foils. › Remove spilled wax with a plastic scraper, clean stains with mineral spirits. Films will age and become brittle – this is entirely normal: this is not an error. The following factors have a negative effect on the life or colour fastness of the films: Corrosion-prone cavities of the vehicle are perma- nently protected by preservative wax at the factory. Protection of hollow spaces Remove snow and ice NOTICE Underseal Wheels Instructions for cleaning Handwash The underside is permanently protected by the fac- tory against chemical and mechanical influences. ▶ Do not remove snow and ice with hot or warm wa- ter. ▶ Do not remove snow and ice from surfaces with coarse dirt. › Have the protective coating checked by a special- ist garage before starting and at the end of the cold season. › After washing, preserve the wheels with suitable means. › Wash the vehicle from top to bottom with a soft sponge or wash glove and plenty of water, if nec- essary with additional suitable cleaning agents. › For foils and headlights, use a mild soap solution that contains two tablespoons of white neutral soap to one litre of lukewarm water. › Use a glass cleaner for the windscreen wiper blades. ▶ Severe dirt on the wheels can result in the wheels unbalancing. › If necessary, treat moving parts with suitable grease. › Wash the cameras with clean water and dry with a suitable clean wipe. › Coat the ball head of the towing device with a suit- able grease whenever necessary. ▶ Wash out the sponge or wash mitt regularly. ▶ Use a different sponge for wheels, sills and the lower part of the vehicle than that used for the other vehicle parts. WARNING Car jack Tow hitch NOTICE Risk of an accident! ▶ Do not wash the vehicle in the blazing sun. ▶ Do not dry the headlights or use sharp objects. ▶ Do not put pressure on the bodywork when wash- ing. ▶ The temperature of the washing water may be a max. 60 °C.