Park your car on a flat surface and apply the parking brake.
Open the trunk of your car.
Locate the spare wheel, which is usually stored in a compartment in the trunk.
Unscrew the lug nuts that hold the spare wheel in place.
Use the jack to lift the car up until the flat tire is off the ground.
Remove the flat tire by unscrewing the lug nuts that hold it in place.
Place the spare wheel on the lug nuts and tighten them securely.
Lower the car using the jack.
