If you end up with a flat tyre, it is important to know what to do. If you notice it at home or at work, it tends to be easier to switch to the spare tyre, not having to do it at the side of the road. If you decide to do the change yourself, you have a tool kit stored together with the spare tyre. Fasten the hand brake and loosen the lug nuts and then use the jack to raise the vehicle enough for you to change the flat tyre to a spare tyre. Fasten the lug nuts and lower the vehicle and then tighten the lug nuts securely. Take the flat tyre to a tyre shop to get it fixed. The spare tyre tends to be a temporary tyre, so it is not meant to be used for long distance driving, but will make sure you can get to a service station.