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How often should a parked vehicle be started?

3 Answers
MacKatherine
07/24/25 1:14am
It is recommended to start the car once a week and let it idle for a few minutes. The reasons are: 1. When a car is not started for a long time, most of the lubricating oil adhering to the parts that should be lubricated will flow to the oil pan due to gravity, reducing the lubrication effect on the moving parts. 2. When metal is not protected by an oil film, it easily reacts with oxygen to form an oxide film, increasing friction and making it difficult to start. 3. If the battery does not receive a charge for a long time, the sulfation process of the battery plates will intensify, increasing the internal resistance of the battery and reducing its lifespan. 4. Due to the self-discharge effect of the battery, the voltage will drop below 85%, making the battery irreparable.
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Madeleine
08/10/25 8:39pm
I have extensive driving experience, and leaving a vehicle parked for too long can easily lead to problems. It's recommended to start the car at least every two weeks and let it run for 10 to 15 minutes. If left unused for an extended period, such as over a month, the battery will gradually discharge and eventually die, making it difficult to start and requiring you to spend money on a new battery or charging. Fluids will also settle and accumulate in the engine, leading to poor lubrication and part wear. Parking outdoors is even worse, as rodents and birds may chew on wires and damage the electrical system. Remember to drive a short distance after starting the car to keep the tires moving and prevent flat spots, and check if the brakes are rusty. I personally experienced leaving a car parked for three months without moving it, and the cost of replacing the tires was a painful lesson of over a thousand yuan. In short, regular starting and maintenance are low-cost, safe, and reliable. Don’t be lazy and risk bigger issues.
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AliyahMarie
09/24/25 2:56am
I have a good understanding of technical details. It's not advisable to leave a vehicle parked for too long; it's recommended to start it approximately every 10 days for about 15 minutes. The main purpose is to protect the battery, as modern cars have numerous electronic systems that continue to consume power even when the engine is off. Over time, low voltage can make it difficult to start the car. Starting the engine helps recharge the battery while also warming up the fluids to prevent solidification and ensure proper lubrication. Prolonged parking can lead to degradation of the fuel system, affecting combustion efficiency and potentially causing starting failures. During winter and summer, the large temperature differences increase the risk of rust and corrosion, necessitating more frequent attention. Personally, I check my car's condition weekly and start it to keep all components moving. Don't forget to maintain tire pressure, as tires tend to deflate during long parking periods and may need reinflation. Briefly moving the car is more beneficial than revving the engine in place, as it reduces engine damage and avoids potential issues.
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