Buick LaCrosse: 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 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.
TEMP
(Driver and Passenger
Temperature Control): The
temperature can be adjusted
separately for the driver and the
passenger. Press to increase or
decrease the temperature.
ZONE: Press to link all climate zone settings to the driver settings.
The ZONE indicator light will turn off. When the passenger settings are adjusted, the ZONE indicator light is on.
Climate Control Influence on eAssist Operation and Fuel Economy (If
Equipped)
The climate control system is
dependent upon other vehicle
systems for heat and power input.
Certain climate control settings can
lead to higher fuel usage and/or
fewer auto stops.
The follo ...
Manual Operation
(Power): Press to turn the fan
off
or on.
(Fan Control): Press to
increase or decrease the fan speed.
The fan speed setting appears on
the main display. Pressing either
button cancels au ...
See also:
Rear Window Defroster
The rear window defroster button is located on the
climate control (Mode) knob. Press this button to
turn on the rear window defroster and the heated outside
mirrors (if equipped). An indicato ...
Engine
Problem
Possible causes/consequences and •► Solutions
The yellow Check
Engine warning lamp
lights up while the
engine is running.
There may be a malfunction, for exampl ...
When you do not tow a trailer
● Remove the ball mount from the hitch receiver tube and insert the receiver
cover onto the hitch receiver tube.
● Place the dust cap over the four-pin connector of the hitch wire harne ...