Bird droppings, insects, tree buds, resin and grease stains, road salt and other aggressive substances must be washed off immediately, as they contain caustic substances that damage the paintwork.
Observe the operating instructions for high-pressure cleaning systems regarding the required pressure and the distance of the nozzle from the surface to be cleaned.
When washing, pour plenty of water. Using a soft sponge, wash mitt or very soft wash brush, start washing from the roof of the car, rinse the sponge frequently.
Use detergents only if there is old dirt. Rinse surfaces thoroughly with clean water to remove detergent residue. If detergents are used regularly, preservatives should be used more often. A preservative additive can be added to the water to protect the paintwork.
Make sure that water does not get into the ventilation holes of the internal cavities. Do not bring the high-pressure nozzle near the radiator or damaged paintwork surfaces.
Use clean leather for drying. Use different leather scraps for paintwork and window glass, as preservative deposits on window glass impair their transparency.
Street salt is especially dangerous for the internal folds, flanges and joints of doors and hoods. Therefore, these areas should be thoroughly cleaned with a sponge at each wash, as well as after washing in an automatic car wash, and then rinsed and wiped with leather.
Never wash or dry your car in the sun, otherwise water stains will inevitably appear on the paintwork.
The information is posted on this resource: VWmanual
Note: After washing the car, the braking effect is reduced due to dampness. Therefore, disc brakes should be dried by short braking sessions during the trip.
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