2007 Infiniti M35 Owner's Manual - Page 323

to use only a Genuine NISSAN Long Life Antifreeze/Coolant (green) or equivalent with the proper mixture ratio of 50% antifreeze and 50% demineralized water/ distilled water. The use of other types of coolant solutions may damage your engine cooling system. quently, have INFINITI dealer. it checked by an CHANGING ENGINE COOLANT Major cooling system repairs should be performed by an INFINITI dealer. The service procedures can be found in the appropriate INFINITI Service Manual. Improper servicing can result in reduced heater performance and engine overheating. SDI1818 Outside temperature down to °C −35 °F −30 Antifreeze 50% Demineralized water or distilled water 50% WARNING To avoid the danger of being scalded, never change the coolant when the engine is hot. Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator. Avoid direct skin contact with used coolant. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible. CHECKING ENGINE COOLANT LEVEL Check the coolant level in the reservoir tank when the engine is cold. If the 2 coolant level is below MIN k , open the A reservoir tank cap k and add coolant up 1 to the MAX k level. If the reservoir tank is empty, check the coolant level in the radiator when the engine is cold. If there is insufficient coolant in the radiator, fill the radiator with coolant up to the filler opening and also add it to the reservoir tank 1 up to the MAX level k. If the cooling system requires coolant fre- Maintenance and do-it-yourself 8-11