Buick Regal Owners & Service Manuals

Buick Regal: Climate Control Status Display

The climate control status display

The climate control status display appears briefly when the center stack climate controls are adjusted.

The air delivery mode can be adjusted on the climate control display.

Climate Control Influence on Fuel Economy

The climate control system depends on other vehicle systems for heat and power input. Certain climate control settings can lead to higher fuel usage.

The following climate control settings use more fuel:

  • MAX air conditioning mode
  • Defrost mode
  • Extreme temperature settings, such as 15Вє C (60Вє F) or 32Вє C (90Вє F)
  • High fan speed settings

To help reduce fuel usage:

  • Use the full automatic control as described under "Automatic Operation."
  • Select a temperature setting that is higher in hot weather and lower in cold weather.
  • Turn off the air conditioning when it is not needed.
  • Only use defrost to clear the windows.

Automatic Operation

The system automatically controls the fan speed, air delivery, air conditioning, and recirculation in order to heat or cool the vehicle to the desired temperature.

When AUTO is lit, all four functions operate automatically. Each function can also be manually set and the selected setting is displayed.

Functions not manually set will continue to be automatically controlled, even if the AUTO indicator is not lit.

For automatic operation:

1. Press AUTO.

2. Set the temperature. Allow the system time to stabilize. Adjust the temperature as needed for best comfort.

To improve fuel efficiency and to cool the vehicle faster with A/C on, recirculation may be automatically selected in warm weather. Press again to select outside air. to select recirculation; press it again to select outside air.

Driver and Passenger Temperature Controls : The temperature can be adjusted separately for the driver and the passenger. Turn the knob clockwise or counterclockwise to increase or decrease the driver or passenger temperature setting.

The driver and passenger temperatures can also be adjusted by touching the controls on the climate control display.

SYNC : Press to link the passenger temperature setting to the driver setting. SYNC will be highlighted.

When the passenger setting is adjusted, SYNC will be darkened.

Manual Operation

CLIMATE : Press CLIMATE to show the climate control display.

ON/OFF : Press to turn the fan on or off.

controls : Touch or press the fan controls on the climate control display or center stack to increase or decrease the fan speed. The fan speed setting displays.

Pressing either control cancels automatic fan control and the fan is controlled manually. Press AUTO to return to automatic operation.

Air Delivery Mode Control : When the climate information is displayed, touch , or, on the climate, or control display to change the on the climate control display to change the direction of airflow. Any combination of the three controls can be selected. The selected air delivery mode is lit. Pressing any control cancels automatic air delivery control and the direction of the airflow is controlled manually. Press AUTO to return to automatic operation.

To change the current mode, select one or more of the following:

outlets, with some air to the: Air is directed to the floor outlets, with some air to the windshield and side windows.

panel outlets.: Air is directed to the instrument panel outlets.

moisture. Air is directed to the: Clears the windows of fog or moisture. Air is directed to the windshield.

windshield, the fan runs at a higher MAX : Air is directed to the windshield, the fan runs at a higher speed, and the temperature of the air is increased if not already at maximum. This mode overrides the previous mode selected and clears fog or frost from the windshield more quickly. When the control is pressed again, the system returns to the previous mode setting and fan speed.

For best results, clear all snow and ice from the windshield before defrosting.

A/C (Air Conditioning) : Touch A/C on the climate control display to cycle between the MAX, ECO, and OFF modes. The MAX, ECO, or OFF indicator will appear on the display. If the fan is turned off, the air conditioner will not run and the indicator light will turn off.

Touch AUTO to return to automatic operation and the air conditioner runs automatically as needed. The A/C will return to ECO a/c operation.

For MAX a/c, touch A/C.

For ECO a/c, touch A/C again. This setting balances fuel economy and air conditioning comfort. This setting allows higher humidity inside the vehicle, and window fogging may occur before the engine restarts.

: Press to turn on recirculation.

An indicator light comes on. Air is recirculated to quickly cool the inside of the vehicle or to reduce the entry of outside air and odors.

If selected during cool or cold weather, the windshield and windows may fog. Turn off recirculation to help clear the windshield and windows.

Auto Defog : If equipped, the climate control system may have a sensor to automatically detect high humidity inside the vehicle. When high humidity is detected, the climate control system may adjust to outside air supply and turn on the air conditioner. The fan speed may slightly increase to help prevent fogging. If the climate control system does not detect possible window fogging, it returns to normal operation.

To turn Auto Defog off or on, see "Climate and Air Quality" under Vehicle Personalization.

Ionizer : If equipped with an ionizer, this feature helps to clean the air inside the vehicle and remove contaminants such as pollen, odors, and dust. If the climate control system is on and the ionizer is enabled, the ionizer status indicator will be lit on the climate control display. To turn the ionizer on or off, see "Climate and Air Quality" under Vehicle Personalization.

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