See also:

Changing engine coolant
A NISSAN dealer can change the engine coolant. The service procedure can be found in the NISSAN Service Manual. Improper servicing can result in reduced heater performance and engine overheating ...

If your vehicle overheats
If your vehicle is overheating (indicated by an extremely high temperature gauge reading), or if you feel a lack of engine power, detect abnormal noise, etc., take the following steps. ` ...

Operating tips
-When the engine coolant temperature and outside air temperature are low, the air flow from the foot outlets may not operate for a maximum of 150 seconds. However, this is not a malfunction. ...