Cooling system > Coolant type
Use either of the following. • “Toyota Super Long Life Coolant” • Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology Do not use plain water alone.
Source: Toyota 2010 Corolla to August 2009 Prod. Owner's Manual (OM12C22U), page 428