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 ...

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked ...

Operating tips
Clear snow and ice from the wiper blades and air inlet in front of the windshield. This improves heater operation. ...