Fed up with tyres wearing out too fast and unevenly. We can measure the tracking on your vehicle providing you with a printout of before and after the adjustments which bring your car into alignment within manufacturers tolerances. Other signs you may need a 4WA is when your vehicle pulls to one-side when you relax control of the steering wheel, or pulls to one-side under braking. Vibration through steering wheel and reduction in fuel efficiency are other signs.