1. Checking the air conditioner Car air conditioners are the most frequently used in summer. First, regularly check whether the air conditioner lacks fluorine; secondly, check whether there is leakage. Generally, there are observation holes on the drying tank, and the flow of air bubbles can be Judgment;
2. Select the appropriate lubricating oil to check the lubricating oil in each assembly of the engine and chassis, and should be filled with high-viscosity lubricating oil and high-boiling grease. In addition, the brake fluid with a high boiling point should be used (not lower than 115~120℃);
3. The speed should not be too fast. To prevent tire bursts, the tire should be inflated according to the specified tire pressure and properly inflated during the hot afternoon. Reduce the vehicle speed;
4. Adjust the vehicle power supply to reduce the density of the battery electrolyte appropriately; appropriately reduce the charging current and voltage, and clean the regulator contacts;
5. Check the cooling facilities to remove the engine Scale in the water jacket and radiator and test thermostat performance.
6. Regularly check the drainage system. Check and clear the water troughs and drainage holes at the front windshield of the car on time to prevent water from entering the car caused by poor drainage;
7. To protect the paint surface, it is best to go to a professional beauty shop to do a painted surface sealing glaze to completely isolate the erosion from ultraviolet rays, acid rain and wind, and sand. In addition, it is best not to wash the car in the hot sun.