1. Prepare a car wash special U easy car cleaner, wet the brush with water, pour the car wash shampoo on the brush, directly wipe on the car on the line. Be sure to wash the car with water before wiping it.
2. After the car is full of foam, rinse it with clean water. It should be noted that car shampoo should not be used in direct sunlight, otherwise it will damage the car paint.
