Here are some steps you can take to prepare your car for winter storage and get it ready for use in the spring:

1. Clean the car: Wash and wax the exterior, and clean the interior thoroughly.
2. Change the oil and other fluids: Fresh oil will help protect the engine during storage. It's also a good idea to change the coolant, brake fluid, and transmission fluid.
3. Fill the gas tank: A full tank will help prevent moisture from accumulating inside the fuel tank and fuel system.
4. Disconnect the battery: If you'll be storing the car for an extended period of time, it's a good idea to disconnect the battery to prevent it from draining.
5. Inflate the tires: Overinflating the tires can help prevent flat spotting while the car is in storage.
6. Cover the car: A car cover can help protect the exterior from dust, dirt, and other debris.
7. Store the car in a cool, dry place: A garage or storage shed is ideal. Avoid storing the car outside, as extreme temperatures and weather can cause damage.

When you're ready to take the car out of storage in the spring, here are some steps to follow:

1. Recharge the battery: If you disconnected the battery for storage, be sure to charge it before starting the car.
2. Check the tires: Make sure the tires are properly inflated and inspect them for any damage.
3. Change the oil: After the car has been in storage for an extended period of time, it's a good idea to change the oil to help flush any contaminants that may have accumulated.
4. Check all fluid levels: Make sure the coolant, brake fluid, and transmission fluid are at the correct levels.
5. Inspect the brakes: Check the brake pads, rotors, and calipers for any wear or damage.
6. Test the car: Start the car and let it run for a few minutes to make sure everything is working properly. Take it for a short test drive to ensure that all systems are functioning as they should.