Do not mix coolants. Different chemical formulations can cause fouling and overheating.
Use a flush. Preparation of your engine ensures maximum coolant life.
Always use the correct amount of coolant.
Always use the best quality water available.
When changing coolant, check the condition of the thermostat, radiator cap & all hoses.
Use service stickers to mark the date of coolant installation.
Contact your local EPA for advice on how to dispose of used coolant.
Always make sure heaters are open when changing coolant.
Always make sure that your engine is cool before checking coolant levels.