Before starting
To get the best recognition performance from Voice Recognition, observe the following:
● The interior of the vehicle should be as quiet as possible. Close the windows to eliminate the surrounding noises (traffic noise and vibration sounds, etc.), which may prevent the system from correctly recognizing the voice commands.
● Wait until the tone sounds before speaking a command.
● Speak in a natural conversational voice without pausing between words.
● If the air conditioner is set to “Auto”, the fan speed is automatically lowered so that your commands can be recognized more easily.

See also:
Engine cooling system
The engine cooling system is filled at the factory
with a pre-diluted mixture of 50% Genuine
NISSAN Long Life Antifreeze/Coolant (blue) and
50% water to provide year-round anti-freeze and
cool ...
Under the Hood
Sentra 2.0 models come with one engine and two transmission choices.
Mechanical features include:
140-horsepower, 2.0-liter four-cylinder with 147 pounds-feet of torque
Six-speed manual or contin ...
Draining of coolant water
If the vehicle is to be left outside without antifreeze,
drain the cooling system, including the
engine block. Refill before operating the vehicle.
For details, see “Changing engine coolant” ...
