Nissan Altima Owners Manual: Controls
Fan control dial
The fan control dial turns the fan on and off, and controls fan speed.
Air flow control buttons
The air flow control buttons allow you to select the air flow outlets.
MAX A/C - Air flows from center and side vents with maximum cooling.
- Air flows from center and side
vents.
- Air flows from center
and side
vents and foot outlets.
- Air flows mainly from foot
outlets.
- Air flows from defroster
outlets and
foot outlets.
- Air flows mainly from
defroster
outlets.
Temperature control dial
The temperature control dial allows you to adjust the temperature of the outlet air. To lower the temperature, turn the dial to the left. To increase the temperature, turn the dial to the right.
Air recirculation b
On position (Indicator light on):
Interior air is recirculated inside the vehicle.
Press the 
button to the ON position
when:
● driving on a dusty road.
● to prevent traffic fumes from entering passenger compartment.
● for maximum cooling when using the air conditioner.
Off position (Indicator light off):
Outside air is drawn into the passenger compartment and distributed through the selected outlet.
Use the off position or normal heater or air conditioner operation.
Air conditioner button
Start the engine, turn the fan control dial to the desired position and press the button to turn on the air conditioner. The indicator light comes on when the air conditioner is operating.
To turn off the air conditioner, press the button again.
The air conditioner cooling function operates only when the engine is running.
Rear window and outside mirror (if so equipped) defroster switch
For more information about the rear window and outside mirror (if so equipped) defroster switch, see “Rear window and outside mirror defroster switch” in the “Instruments and controls” section of this manual.
Heater and Air Conditioner (manual) (if so equipped)
1. Fan speed control / system OFF dial /
air conditioning (A/C) button
2. Air flow control buttons
3. Temperature control dial / MAX A/C
button
4. Air recirculation button
5. Rear window defro ...
Heater operation
Heating
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 h ...
Other materials:
Daytime running light system (Canada only)
The headlights automatically illuminate at a reduced
intensity when the engine is started with
the parking brake released. The daytime running
lights operate with the headlight switch in the
OFF position or in the position.
Turn the
headlight switch to the position
for full
illumination ...
Additional service when replacing
control unit
Description
Initial setting is necessary when replacing main power window and door
lock/unlock switch.
CAUTION:
The following specified operations are not performed under the non-initialized
condition.
• Auto-up operation
• Anti-pinch function
• Retained power operation
Spe ...
B210b starter control relay
Description
Starter control relay, integrated in IPDM E/R, permits the starter relay
operation when in N or P position and
the steering is locked or unlocked. It is installed in parallel with the starter
relay.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B210B is displayed with DTC U10 ...