2005 Toyota Tacoma radiator fluid?

I have a 2005 Toyota Tacoma and the owner's manual is not too specific. I want to know how often (how many miles) should I change the radiator fluid (coolant)?2005 Toyota Tacoma radiator fluid?You have Super Long Life Coolant (SLLC) installed on your vehicle. It has a 100,000 mile life span. There is typically a very small white rectangle sticker on the hood or radiator support detailing this.