4.2.1. Check of purity of the car
After a sink check purity of the car. If necessary process brushes protectors, seats of wheels, the lower edges of thresholds. It is sometimes useful to wipe with a sponge or a rag doorframes and grooves. In the winter when on the car get and saliferous means which process roads are besieged on wings and the bottom, you should come around more often on a sink. So the rust will have less chances to damage your car.