2015 Buick LaCrosse Owner Manual - Page 179

8-2 Climate Controls . 3. Fan Control 4. Air Delivery Mode Controls 5. Defrost 6. SYNC (Synchronized Temperature) 7. Power 8. A/C (Comfort and Eco Air Conditioning) 9. Recirculation 10. Rear Window Defogger 11. AUTO (Automatic Operation) Climate Control Influence on eAssist Operation and Fuel Economy (If Equipped) The climate control system depends on other vehicle systems for heat and power input. Certain climate control settings can lead to higher fuel usage and/or fewer auto stops. The following are climate control settings that use more fuel: . . Extreme temperature settings, such as 15°C (60°F) or 32°C (90°F). High fan speed settings. 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. . conditioning setting is adjusted, the AUTO indicator turns off and the selected settings will appear on the display. To place the system in automatic mode do the following: 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, recirculation may be automatically selected in warm weather. The recirculation light will not come on. Press @ to select recirculation; press it again to select outside air. To help reduce fuel usage: . . . . 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 the AUTO indicator light is on, the system is in full automatic operation. If the air delivery mode, fan speed, recirculation, or air Q / R (Driver and Passenger Temperature Controls): The temperature can be adjusted separately for the driver and the passenger. Press to increase or decrease the temperature. Comfort air conditioning mode. The defrost mode.