Cars are an indispensable part of our lives. In addition to daily driving, car maintenance is also very important. Here are some everyday items that can be used to maintain cars:

• Toothpaste: Toothpaste can be used to grind small parts, such as valves and valve seats. It can also be used to remove scratches on the dashboard light mirror.
• Kitchen detergent: Kitchen detergent is non-toxic and non-corrosive. It can be used to clean car parts, especially small rubber parts.
• Active oil: Active oil is a medical liniment that can be used to remove asphalt dirt from cars.
• Washing powder: Laundry soap powder and sawdust can be used to clean the dirty chassis grease and hands after repairing the car.
• Cans: Aluminum cans can be used as gaskets on cars or modified into funnels for adding engine oil and water.
• Space water and pure water: Space water and purified water drinks are suitable for battery water. They can be used to replenish batteries to prevent sulfuration caused by low liquid level.

These are just a few examples of how everyday items can be used to maintain cars. With a little creativity, you can find other ways to use these items to save money and time on car maintenance.

Additional tips:

• Always wear safety glasses and gloves when working on your car.
• Follow the instructions on any products you use.
• If you are not sure how to use a product, consult a professional.