Why do you need to add air to your tires when it gets cold, but you don’t have to release air from your tires when it warms up?

Question

Why do you need to add air to your tires when it gets cold, but you don’t have to release air from your tires when it warms up?

In: Other

Answer 1

Technically you should, if you want to maintain the same PSI. After a long drive on a hot day, your air pressure will have increased, just as it decreases on a cold day