Skoda 1ST 071 310E Instrucciones De Montaje página 29

Important instructions for the threshold
strip maintenance
48 hours following the gluing of the threshold strips
do not drive the car in a car wash.
GB
Wash the threshold strips with a mild solution of
common detergents. In no case use agents containing
abrasive solvents.
Avoid cleaning the threshold strips with a dirty clout
or a wire nail.
When washing the car with a high-pressure cleaner
(wap) never open the door, besides damaging the
interior with water the threshold strips may get
damaged due to water pressure.