1. Mix water in a ratio of 1:60 to 80, and use a water gun to wet the car body and wash away large particles of mud and sand to avoid scratching the paint when cleaning the car body;
2. Pour proper amount of car washing liquid into the bucket, and use a water gun to flush out a large amount of foam;
3. Dip the car wash sponge into the prepared car wash solution and prepare to wash the car;
4. Use a sponge with car wash solution to wipe the entire car until the stains are completely removed.
5. Rinse the foam of the car body with a water gun, and then wipe the water stains on the car body with a clean towel to avoid dust falling again.