See also:

Engine block heater (if so equipped)
● Do not use your engine block heater with an ungrounded electrical system or a 2-pronged adapter. You can be seriously injured by an electrical shock if you use an ungrounded connec ...

Suggested maximum speed in each gear
Downshift to a lower gear if the engine is not running smoothly, or if you need to accelerate. Do not exceed the maximum suggested speed (shown below) in any gear. For level road driving, use the ...

Cargo & Towing
The Altima's trunk measures 15.3 cubic feet, which is average for the class, but it shrinks to 13.1 cubic feet with the full-size spare tire that's included with the optional stability system. (St ...