Long-Term Car Care
Chris Isidore
| 17-06-2025
· Automobile team
We all know that feeling—life gets busy, and sometimes our cars end up parked for weeks or even months. Whether it's because of travel, a new routine, or a change in lifestyle, letting our cars sit unused for long periods can lead to some problems if we're not careful.
But don't worry, with a little preparation and maintenance, we can ensure that our car is in top condition when we're ready to hit the road again.
In this article, we'll share practical tips for maintaining your car during long periods of inactivity. From protecting the battery to checking tire pressure, here's everything we need to know to avoid costly repairs and keep our car running smoothly.

1. Protect the Battery: Keep It Charged

One of the most common issues with cars that have been sitting idle for a while is a dead battery. Batteries lose charge over time, and a prolonged lack of use can cause them to go flat. To prevent this, it's a good idea to either disconnect the battery or invest in a trickle charger.
If you're disconnecting the battery, make sure to remove the negative terminal first to avoid any electrical issues. If you prefer not to disconnect it, using a trickle charger will keep the battery charged without overloading it. This is a simple and cost-effective way to avoid the hassle of jump-starting or replacing a battery.

2. Keep the Tires Inflated: Prevent Flat Spots

Another issue that often arises when a car sits idle is flat spots on the tires. This happens when the tires are not rotated for an extended period, causing pressure to build up in one spot. Over time, this can lead to tire damage or uneven wear, which can affect the car's performance and safety.
To avoid flat spots, we should inflate the tires to the recommended pressure levels before parking the car. If we know that the car will be idle for a long period, it's worth moving the car slightly every few weeks to ensure the weight is distributed evenly across the tires. Alternatively, we can place the car on jack stands to take the pressure off the tires entirely.

3. Change the Oil and Fluid Levels

When a car sits idle, the oil and other fluids inside can become less effective at lubricating the engine and other parts. This can lead to rust, corrosion, and damage when we finally start driving again. It's a good idea to change the oil before parking the car for an extended period, especially if the oil is old or dirty.
In addition to the oil, we should also check the coolant, brake fluid, and transmission fluid levels. If any of these fluids are low, topping them up will help maintain the car's overall health. If the car has been sitting for a particularly long time, it might be worth getting a full fluid flush to ensure everything is in top shape.

4. Clean the Car: Prevent Dirt and Grime Buildup

It's easy to overlook cleaning when we're not using our car every day, but dirt and grime can accumulate quickly, especially when the car is parked outside. Dust, bird droppings, and tree sap can cause damage to the paint and finish if left unattended. Cleaning the car thoroughly before parking it is a good way to prevent these issues.
Wash the exterior, and make sure to clean the wheels and undercarriage as well. On the inside, vacuum the seats and floors, and wipe down surfaces to prevent any buildup of dust or grime. If your car is going to be sitting for a long time, consider applying a coat of wax to protect the paint from the elements.

5. Protect the Car's Exterior: Use a Car Cover

If the car is parked outside, it's especially important to protect it from the elements. A good-quality car cover can shield the vehicle from dust, dirt, rain, and UV rays. Not only does this help preserve the car's paint, but it also prevents the interior from getting too hot or too cold, which can affect the materials and electronics inside.
When choosing a car cover, make sure it's breathable to prevent moisture buildup underneath. A well-fitted cover will also protect the car from scratches caused by branches or other debris.

6. Check the Brake System: Prevent Sticking

If a car is left sitting for a long time, the brake pads can sometimes stick to the rotors, especially if the humidity is high. This can lead to rusting and potentially cause issues when it's time to drive again. To avoid this, we should periodically check the brake system, especially if the car is going to be parked for months at a time.
A simple way to keep the brakes in good condition is to drive the car around the block every few weeks, which allows the pads and rotors to move and prevent sticking. If the car is not driven often, it's worth applying a brake anti-seize lubricant to the brake components before parking the car.
Conclusion: Keep Your Car Ready for the Road
We've covered several essential maintenance tips to help keep our car in good condition when it's not in use. By taking a few simple steps—like protecting the battery, checking tire pressure, changing the oil, and cleaning the car—we can ensure that our vehicle is ready to go when we are.
Proper car maintenance not only prevents costly repairs but also extends the lifespan of our vehicle. So, whether you're heading on a long vacation, moving to a new home, or just not driving as often, remember that a little upkeep goes a long way.
Now, tell us—have you ever had an issue with your car after it's been sitting idle? Let us know your experiences and share any extra tips in the comments!