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9 Things That Can Happen To Your Car When You Don’t Drive It

If you haven't picked up your car keys in a while, you should be aware of the things that are quietly happening to your car when you don't drive it.

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Close-Up Of Covered Car In Parking GarageArslan Ozgur Sukan / EyeEm/Getty Images

COVID-19 and your car

The COVID-19 pandemic has put the brakes on driving for a lot of folks. People are parking their cars and heeding the guidelines to stay at home. They’re working from home or no longer have a job to drive to. Instead of weekly grocery runs, they’re ordering food and just about everything else online. Now, most neighborhoods are full of parked cars and resemble used car lots.

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Professional car mechanic using jumper cables to start a car battery.Nitat Termmee/Getty Images

The battery loses its charge

It might come as a surprise, but your car is still working even when you’re not driving it. “Just like your laptop or cell phone, your car battery is running the computer inside your vehicle at all times,” says Joe Akers, director of operations at Cowles Nissan in Woodbridge, Virginia. If you’re not going to be driving your car for a few weeks, Akers recommends placing your vehicle on a trickle charger. “These chargers continue to supply power to a car battery when the vehicle is not in use,” Akers says. Oh, and don’t forget to remove the phone charger, dash-cam, and any other power-consuming devices plugged into the cigarette lighter port. “These devices slowly seep your juice, too,” notes Jesse Yuvali owner of Jesses’ Garage European Auto Repair in Sarasota, Florida. While you’re at it, never leave these things in your car.

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Close-Up Of Car With Puncture TireRiccardo Botta / EyeEm/Getty Images

Tires get flat spots and lose pressure

Have you ever woke up with one side of your hair flat because you slept on it all night? The same thing happens when tires “sleep.” They develop flat spots when you don’t drive. “The weight of the car constantly putting pressure on the same part of the tires create a dent,” says Akers. It’s something you’ll definitely feel when you get back in the driver’s seat. Tires lose pressure when they sit too—about one to two PSI per month. “A quick spin around the block once a week will help avoid this problem,” Akers adds. Use a tire pressure gauge to check the pressure before you drive it again. You don’t have to worry about making it to the gas station to get air when you have a portable compressor at home. Learn why tires are actually the most important safety feature of your car.

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Young man leaning into boot of car, side viewAlan Thornton/Getty Images

Ants move in

The French fries scattered under the seat and almost-empty smoothie cup are secretly sending out invites to ants. “Remove all garbage, particularly soda cans, food, sugary snacks, and so on, as they will attract ants that will find a way to get inside,” says Yuvali. While you’re at it, take out your running shoes and gym clothes. If you don’t, the contents will slowly and quietly brew a stink fest for your return. You won’t believe these 15 strangest things mechanics have found in cars.

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In auto repair shop...Car mechanic is changing engine oilchoja/Getty Images

Fluids and oils go stale

The fluids in your car are essential for many components. For example, brake fluid is pressurized and gives you the power needed to brake. Without power steering fluid, it would take a lot of muscle just to turn the steering wheel. When a car sits for a long time, fluids get stale and can pool in certain areas. “Older oil won’t lubricate as fresh oil would,” says Yuvali. The oil keeps the metal components lubricated, so you don’t get that ticking noise of metal hitting metal, or worse, the engine overheating. Run the engine every two weeks for about 10 minutes (or take a short drive) to keep things under the hood lubricated. Here’s how often you should change your oil.

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fan in a cardeepblue4you/Getty Images

Seals dry up

You might not be worried about the cooling relief of air conditioning if you live in Michigan, but California has already seen 100 degrees temperatures this spring. Yuvali notes the air conditioning seals can dry out when you don’t drive your car, which leads to integrity issues, and you can lose freon. No freon means hot and sweaty car rides in the future. “If you rely on your AC system, it needs lubrication, which you can achieve by turning the vehicle and the AC on for ten minutes,” he says. These 74 maintenance tips will extend the life of your car.

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Black Fuel Gauge with Red Marker Over Half FullDaydreamsGirl/Getty Images

Consider your gas tank

Gasoline is a fickle thing in your tank. “If you leave the fuel tank near empty, it builds up moisture, which isn’t ideal,” Yuvali says. “However, if you fill up to the brim before parking it long-term, it will overflow if the weather gets warmer as the gasoline can expand. Additionally, gasoline goes bad after a short time.” If it’s sitting with half a tank, fill it up with fresh gas when you start driving again. Or add an enzyme fuel stabilizer to the gasoline to prevent stale gas; think of it as a probiotic for your gas tank. Check out these surprising things your car mechanic won’t tell you.

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Street lined with cars and trees in Mexico City, MexicoCarolin Voelker/Getty Images

Damage from tree sap

Springtime brings the arrival of tree sap. A very sticky substance released naturally from trees. If your car is parked in the street or a driveway under a pine tree, you could find a sticky mess on your vehicle when you drive it again. Pine sap is extremely sticky and difficult to remove. It can also be problematic when it comes to the paint, particularly if the clear coat is damaged already, Yuvali says. Remove it with a tree sap cleaner as soon as you notice it, because as temperatures warm up, the sap heats up, causing more paint damage. Find out the things that people with clean cars have in common.

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Dirty carfreemixer/Getty Images

Damage from bird poop

A weekly carwash removes bird poop before it can cause any deterioration on car paint, but when your car is parked under trees or where birds regularly roost, like utility lines, a splattering of bird poop builds up quickly to an unsightly mess. Bird poo consists of uric acids, and that’s not water-soluble, which means it’s a nightmare to remove one spot, let alone dozens. Like tree sap, bird poop can penetrate the clear coat—the car’s protective layer. Wash it off as soon as possible with car wash soap, not dish soap, which isn’t formulated for cars. And abide by these cleaning tricks car washers won’t tell you.

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Waiting to speak to someone about my premiumsshapecharge/Getty Images

You still need auto insurance

Yep, even if you’re not driving your car very much or at all. First off, most states require that you carry some form of insurance on your vehicle, says Leo Linval, a Farmers agent. The good news is some insurance companies voluntarily reduced rates during the sheltering in place orders. Farmers offered a 25 percent rebate on auto insurance for the month of April, for example. If you do want to lower your rates, you could try raising your deductible, lowering your mileage, or shopping around your insurance for lower rates, he says. Find out about insurance policies that aren’t worth the money.