See also:

Engine coolant temperature gauge
The gauge indicates the engine coolant temperature. The engine coolant temperature is within the normal range 1 when the gauge needle points within the zone shown in the illustration. The engine ...

Manual operation
Fan speed control Turn the fan speed control dial to manually control the fan speed. Push the AUTO button to return to automatic control of the fan speed. Air recirculation Push the air rec ...

Going & Stopping
Base Altimas have a 2.5-liter four-cylinder engine that makes 175 horsepower (170 hp in states that have adopted California's emissions rules). A 270-hp, 3.5-liter V-6 is optional. A six-speed man ...