How often should you start the car when it's parked for a long time?

[StZachary]

It is recommended to start the car once a week when it's parked for a long time. If possible, driving it for about twenty minutes is even better, as this helps prevent the battery from discharging and allows various fluids to circulate properly, thereby protecting the engine. Prolonged parking can lead to issues such as battery drain, flat spots on tires, and oil sedimentation. If the vehicle needs to be parked for an extended period and there's no time to start it regularly, disconnecting the negative terminal of the battery can help avoid excessive power loss. When a car remains unused for a long time, most of the lubricating oil adhering to the moving parts will flow back into the oil pan due to gravity, reducing lubrication in critical areas. Without the protective oil film, metal parts are prone to react with oxygen, forming an oxide layer that increases friction and makes starting the engine difficult.

[LukeMarie]

If the car remains stationary for an extended period, I recommend starting it at least once a week, preferably running it for 10-15 minutes. The battery is the heart of the car, and prolonged inactivity causes gradual discharge, especially noticeable in cold weather. Starting the engine allows the alternator to recharge the battery, preventing it from dying due to depletion. Additionally, fluids like engine oil and transmission fluid may settle or oxidize; regular operation helps circulate them, lubricating the engine internals and reducing rust risks. The same goes for tires—prolonged stationary pressure can lead to deformation or pressure loss, causing uneven wear. From experience, developing a weekly startup habit is simple yet effective in avoiding many costly repair headaches. If time is tight, set a phone reminder—a small effort that saves major trouble.

[EvangelineLee]

Leaving a car parked for too long can cause damage to mechanical components. I usually start the car every 10 days or so and let it run for more than 10 minutes. When the engine is off, fluids stop circulating, which can lead to carbon buildup and rust over time, affecting performance. Starting the engine allows the oil pump to work, protecting the pistons and bearings. Also, remember to turn on the fan and air conditioning systems occasionally to prevent mold or odors. The battery can also weaken due to natural discharge, and failing to recharge it in time may leave you unable to start the car next time. Once, I left my car untouched for three weeks, and when I tried to start it, the engine shook violently, costing me a lot in repairs. So don’t be lazy—regularly starting the car is the most cost-effective maintenance method. If you plan to park in a suburban area for an extended period, it’s wiser to check the car’s condition beforehand.

[StPaislee]

Tires are most susceptible to damage during prolonged parking, as tire pressure gradually decreases, leading to deformation or cracks. I learned my lesson from a four-week parking experience and now start the car every two weeks for a short drive of a few minutes. Starting the engine helps recharge the battery to prevent it from dying, and moving the car slightly ensures even tire pressure distribution to avoid deformation. The engine also gets lubricated in the process. This frequency strikes a good balance—minimal time investment with effective results. Additionally, I check the exterior for any debris buildup that might affect moisture drainage. These simple measures can significantly extend the vehicle's lifespan.

[Jaden]

How often should you start the car during long-term parking? I think once every 7-14 days is safe. Idling for 10 minutes after starting can effectively address multiple issues: charging the battery, circulating fluids to lubricate mechanical parts, and ventilating/dehumidifying the AC system. Checking tire pressure is also important, as tires left too long can lose pressure and deform. Once I forgot for two months and ended up with a dead battery and oil leakage. Regular startups help detect minor issues early before they become major failures, such as checking dashboard warning lights or oil levels. Developing this habit is simple and cost-effective—just set reminders to avoid neglect.