My 4runner didn't do alignment for last 6 years and I feel everything is ok and tires don't have any sign of uneven worn. Now dealer told me I should do it every time when I swap summer/winter tires, or it will harm my t4r. Is it true? They charge me like $140 to do it. I told them I didn't do it for 6 years or even longer. They make a serious face to me and confirmed my ride will be damaged soon if I don't do it.