What is the 2005 honda crv coolant type?

The recommended coolant type on the 2005 Honda CR-V is Honda Long-life Antifreeze/Coolant Type 2. If You want some alternatives then they can be either Peak 1 Gallon Yellow 50/50 Coolant/Antifreeze or Prestone 1 Gallon Yellow 50/50 Coolant/Antifreeze. The purpose of coolant or antifreeze on Your vehicle is to regulate its temperature so that it doesn't freeze or boil. It also protects the parts it comes in contact with such as the water pump, head gasket, and the pinion. Since it performs such a big task on the engine, it's important to check it every once in a while and top it off if it is needed.