2003 Honda Accord Owner's Manual - Page 278

Cooling System Replacing Engine Coolant The cooling system should be completely drained and refilled with new coolant according to the time and distance recommendations in the maintenance schedule. Only use Honda All Season Antifreeze/ Coolant Type 2. Use of any nonHonda coolant or plain water can result in corrosion and deposits in the cooling system. Draining the coolant requires access to the underside of the car. Unless you have the tools and knowledge, you should have this maintenance done by a skilled mechanic. 4-cylinder models 6-cylinder models 1. Open the hood. Make sure the engine and radiator are cool to the touch. On cars with Manual A/C On car with AUTO A/C Turn the ignition ON (II). Turn the temperature control dial all the way clockwise. Turn off the ignition and remove the key. Turn the ignition ON (II). Make sure the DUAL indicator is off. Turn the temperature control dial to 90°F (32°C). Turn off the ignition and remove the key. 2. Remove the radiator cap. CONTINUED Maintenance 275