When you feel a vibration in the steering wheel through the seat, your wheels may be out of balance which, as well as being uncomfortable, can create poor handling and a significant reduction in fuel mileage. This is a dangerous situation that could lead to an accident. If the problem persists, you can damage your suspension, which is an expensive repair. Your tyres could also wear down more quickly and you will need to have them replaced.
You should do this every time you have new tyres fitted or when they are removed from the rim. As a general rule, you should check it once a year. Motorvation can make sure your tyres don’t suffer irregular wear.