The word "dirty" in the question doesn't mean how dirty it is, so here are seven cleaning methods for common dirt attributes, which car owners can try.

1. soil

There is dirt on the surface, which can be wiped with detergent water. In addition, stainless steel cleaning has a special cleaning agent called stainless steel cleaning agent or stainless steel brightener, and also uses a special care agent, including stainless steel oil, which can remove stains and restore the brightness of stainless steel.

2. Tape marking

To remove the adhesive tape traces of the trademark or film on the door, wipe it with warm water first, and then scrub it with alcohol.

3. Surface oil stain

There are oil stains on the surface. You can directly scrub the dirt with a soft cloth and then clean it with ammonia solution.

4. Traces left by pickling

There are bleach and various acids on the surface, which can be washed with water immediately, then with neutral carbonated soda water, and then with clear water.

5. Rainbow pattern

Rainbow lines are caused by too much grease or detergent. Wash them with warm water.

6. The surface is a little rusty

If the surface is rusty, use nitric acid with the concentration of 10% to clean it, or use a special maintenance solution, and finally paint it with a similar color, so it is difficult to see it from the distance of 1 meter.

7. Stubborn stains

Stubborn stains can be wiped with radish or cucumber pedicels dipped in detergent. Never use steel balls, it will cause great damage to the door.

In addition, after the color stainless steel door is installed, the protective film should be torn off within one week, otherwise the protective film will not be torn off or it will be difficult to tear off after weathering.