AAK statistical method is an internationally accepted statistical method, that is, the number of vehicles actually delivered to consumers. Domestic manufacturers generally use the vehicle number delivered by the manufacturer to the dealer (STD) to count sales.

There are two standards when counting car sales in China. The first is the SKD statistics, which is the sales volume sold directly by the automobile manufacturer to the dealers; the second is the AAK statistics. , that is, the direct purchase volume of consumers (including large customers) in that month.

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Car maintenance skills:

1. Clean leather seats with soap

Leather seats are afraid of being scratched by hard objects Injury, and even more afraid of corrosion by chemical cleaning agents. Use transparent soap with minimal corrosiveness, which not only has good decontamination properties, but also makes the skin soft and shiny after drying. After wiping the soap, let it air dry, then wipe it twice with a wet towel without soap after washing. This method removes dirt and leaves the skin clean, fluffy and fresh as ever.

2. Use toothpaste to remove scratches

The bright car paint often appears scratches unintentionally. For this reason, the car owner went to the car beauty shop to push the salsa to remove the scratches, so he used toothpaste to polish it. Works well on removing minor scratches. First wash the scratched area with clean water, then take a clean cloth or towel, apply a little toothpaste on the scratched area and gently rub it repeatedly. After the scratch disappears or weakens, you can wipe it dry with a wet wipe. The reason is very simple. Toothpaste itself is an abrasive for cleaning teeth, which does not harm the human body or paint.

3. Use wind oil to remove the self-adhesive stickers

It is extremely difficult to remove the various certificates affixed to the windshield during the annual inspection. Apply essential oil on the back of the sticker, let it soak for a while and then wipe it with a dry cloth and it will come off without leaving any traces. This method is suitable for self-adhesive trademarks affixed to various commodities. The reason is that Fengyoujing can dissolve the active ingredients of the self-adhesive. If you don't have Fengyoujing, you can use toothpaste instead, but the effect will be slightly less.

4. Talc powder dissolves the stain on the door seal

After the rain, the car door seal becomes wet and adheres to the paint surface, causing the door to open unsmoothly with a "squeaking" sound. You can apply a handful of talcum powder on the rubber seams inside the door. The symptoms will disappear and the door will open and close freely without making any sound.

5. Extend the service life of the muffler

Punch a small hole at the lowest point under the muffler. The reason is simple: drainage and corrosion prevention.