Frequently Asked Questions
- What is the shelf life of Prestone® Antifreeze/Coolant?
- Does Prestone® Antifreeze/Coolant contain phosphates?
- What is the best antifreeze/coolant concentration for a vehicle? Can I use 100% antifreeze?
- Can I use extenders in place of SCAs and vice versa with Prestone® Heavy Duty Extended Life Antifreeze/Coolant?
- What automobile industry specifications do your antifreezes meet or exceed?
- How do I flush my cooling system and install a fresh fill?
- I have a leak in my cooling system; you offer several sealers. Which one should I use?
- I'm constantly hearing about octane booster products. You say 0 to 60® can boost my octane by up to 10 points. What's a point and how does it relate to my car's performance?