2003 Honda Accord Owner's Manual - Page 276

Cooling System corrosion, causing the cooling system to malfunction or fail. Have the cooling system flushed and refilled with Honda antifreeze/ coolant as soon as possible. If the reserve tank is completely empty, you should also check the coolant level in the radiator. RADIATOR CAP 6-cylinder models RESERVE TANK Always use Honda All Season Antifreeze/Coolant Type 2. This coolant is pre-mixed with 50 percent antifreeze and 50 percent water. It does not require any additional mixing. If it is not available, you may use another major-brand non-silicate coolant as a temporary replacement. Make sure it is a high-quality coolant recommended for aluminum engines. However, continued use of any nonHonda coolant can result in Removing the radiator cap while the engine is hot can cause the coolant to spray out, seriously scalding you. Always let the engine and radiator cool down before removing the radiator cap. 4-cylinder models 1. Make sure the engine and radiator are cool. 2. Turn the radiator cap counterclockwise, without pressing down on it, until it stops. This relieves any pressure remaining in the cooling system. 3. Remove the radiator cap by pushing down and turning counterclockwise. CONTINUED Maintenance 273