What is Wheel Alignment? Wheel alignment refers to adjusting the angles of the wheels. It helps the wheels stay parallel to each other and perpendicular to the ground. This adjustment system connects the wheel to your vehicle called the suspension. The suspension system keeps all four tires working together at the same speed and direction. Adjusting the suspension also offers better tire contact with the road. However, the primary purpose of getting the wheels aligned is to optimize the ... Learn what wheel alignment is, why it is important for vehicle performance and safety, and how it is measured. Find out the primary and secondary angles, such as camber, caster and toe, and their effects on tire wear and handling. Wheel alignment refers to adjusting the angles of the wheels to ensure they are parallel to each other and perpendicular to the ground. This prevents irregular tire wear and improves handling. Learn what wheel alignment is, how it affects tyre life and handling, signs your car needs it, and how often to get it done. Plus, find out if DIY alignment is worth it.