Nissan Sentra Owners Manual: Heater operation

This mode is used to direct heated air to the foot outlets. Some air also flows from the defrost outlets and the side vent outlets.

1. Press the button to the OFF
   position for normal heating.
2. Press the air flow control
   button.
3. Turn the fan control dial to the desired position.
4. Turn the temperature control dial to the desired position between the middle and the hot position.

Ventilation

This mode directs outside air to the side and center vents.

1. Press the button to the OFF
   position.
2. Press the air flow control
   button.
3. Turn the fan control dial to the desired position.
4. Turn the temperature control dial to the desired position.

Defrosting or defogging

This mode directs the air to the defrost outlets to defrost/defog the windows.

1. Press the defrost/defog button .


2. Turn the fan control dial to the desired position.
3. Turn the temperature control dial to the desired position between the middle and the hot position.

• To quickly remove ice or fog from the windows, turn the fan control dial to the highest setting and the temperature control to the full HOT position.
• When the position is
  selected, the air conditioner automatically turns on (the indicator light on the button will remain in Off) if the outside temperature is more than 36°F (2°C). This dehumidifies the air which helps defog the windshield. The
  mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance. The recirculation mode cannot be activated in the
  position.

Bi-level heating

The bi-level mode directs warmed air to the side and center vents and to the front and rear floor outlets.

1. Press the button to the OFF
   position.
2. Press the air flow control
   button.
3. Turn the fan control dial to the desired position.
4. Turn the temperature control dial to the desired position.

Heating and defogging

This mode heats the interior and defogs the windshield.

1. Press the air flow control
   button.
2. Turn the fan control dial to the desired position.
3. Turn the temperature control dial to the desired position between the middle and the hot position.

• When the position is
  selected, the air conditioner automatically turns on if the outside temperature is more than 36°F (2°C).

  The indicator light on the A/C button will remain in Off. This dehumidifies the air which helps defog the windshield. The
  mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance.

Operating tips

Clear snow and ice from the wiper blades and air inlet in front of the windshield. This improves heater operation.

© 2014-2025 Copyright www.nisentra.com