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 regularly. For details, see “Battery” in the “Maintenance and do-it-yourself” section of this manual.
See also:
Rear window wiper blades
Contact an INFINITI retailer if checking or
replacement is required. ...
Warning/indicator lights and audible reminders
...
Readiness for Inspection/Maintenance (I/M) test
A vehicle equipped with Four-Wheel Drive
(4WD) should never be tested using a two
wheel dynamometer (such as the dynamometers
used by some states for emissions
testing), or similar equipment. ...
