Can a full-size spare tire still be used after five years?

[Yolanda]

After five years, an unused spare tire cannot be used as a normal tire. Most spare tires on the market are non-full-size tires: Currently, most spare tires on the market are non-full-size tires. What is a non-full-size tire? Simply put, it is narrower than a normal tire. Non-full-size tires cannot be used as normal tires: Non-full-size tires are designed to reduce weight, save space, distinguish between normal tires and spare tires, and most importantly, to remind everyone to replace them with repaired normal tires. Therefore, non-full-size tires cannot be used as normal tires.