188 Vehicle careAppearance careExterior careLocksThe locks are lubricated at the factoryusing a high quality lock cylindergrease. Use de-icing agent only whenabsolutely necessary, as this hasa degreasing effect and impairs lockfunction. After using de-icing agent,have the locks regreased bya workshop.WashingThe paintwork of your vehicle isexposed to environmental influences.Wash and wax your vehicle regularly.When using automatic vehiclewashes, select a programme thatincludes waxing.Bird droppings, dead insects, resin,pollen and the like should be cleanedoff immediately, as they containaggressive constituents which cancause paint damage.If using a vehicle wash, comply withthe vehicle wash manufacturer'sinstructions. The windscreen wipersand rear window wiper must beswitched off. Remove antenna andexternal accessories such as roofracks etc.If you wash your vehicle by hand,make sure that the insides of thewheel housings are also thoroughlyrinsed out.Clean edges and folds on openeddoors and the bonnet as well as theareas they cover.Have the door hinges of all doorsgreased by a workshop.Do not clean the engine compartmentwith a steam-jet or high-pressure jetcleaner.Thoroughly rinse and leather-off thevehicle. Rinse leather frequently. Useseparate leathers for painted andglass surfaces: remnants of wax onthe windows will impair vision.Exterior lightsHeadlight and other light covers aremade of plastic. Do not use anyabrasive or caustic agents, do not usean ice scraper, and do not clean themdry.Polishing and waxingWax the vehicle regularly (at thelatest when water no longer beads).Otherwise, the paintwork will dry out.Polishing is necessary only if the painthas become dull or if solid depositshave become attached to it.Paintwork polish with silicone formsa protective film, making waxingunnecessary.Plastic body parts must not be treatedwith wax or polishing agents.Windows and windscreen wiperbladesUse a soft lint-free cloth or chamoisleather together with window cleanerand insect remover.When cleaning the rear window,make sure the heating element insideis not damaged.For mechanical removal of ice, usea sharp-edged ice scraper. Press thescraper firmly against the glass sothat no dirt can get under it andscratch the glass.
