NISSAN 2014 Altima Sedan - Owner's Manual - Manual (Page 290)

Special winter equipment. . . . . . . . . . . . . . . . . . . . . . . 5-36
Driving on snow or ice . . . . . . . . . . . . . . . . . . . . . . . . . 5-36 Engine block heater (if so equipped) . . . . . . . . . . . . . 5-36