When your wheels are in alignment, you'll generally notice no problems with the steering wheel or front-end of the vehicle. You drive smooth and straight. However, when your wheels are out of alignment, it means the tires aren't pointing in the right direction - which can negatively affect your car in multiple ways.
One of the main indicators that your wheels are out of alignment is your steering wheel - it may pull in different directions as you drive. You may also hear a creak or groan when turning. In addition, your tires may wear down quickly.
Wheel alignment is normally thrown off by: