2008 Acura RDX Owner's Manual - Page 345

Main Menu Table Of Contents Engine Coolant 5. Put the radiator cap back on, and tighten it fully. RADIATOR CAP RESERVE TANK MAX 6. Pour coolant into the reserve tank. Fill it halfway between the MAX and MIN marks. Put the cap back on the reserve tank. Do not add any rust inhibitors or other additives to your vehicle's cooling system. They may not be compatible with the coolant or engine components. Maintenance MIN 1. Make sure the engine and radiator are cool. 2. Relieve any pressure in the cooling system by turning the radiator cap counterclockwise, without pressing down. 3. Remove the radiator cap by pushing down and turning counterclockwise. 4. The coolant level should be up to the base of the filler neck. Add coolant if it is low. Pour the coolant slowly and carefully so you do not spill any. Clean up any spills immediately; it could damage components in the engine compartment. 341 2008 RDX