Air Quality Sensor
This will allow you to select whether the system will operate at high or low sensitivity. Only vehicles with the dual zone climate control will have this option.
Press SELECT when Air Quality Sensor is highlighted to open the menu. Turn the Menu knob to highlight High or Low. Press SELECT to confirm the selection.
Press 
BACK to move to the
last menu.
See also:
Windshield Washer Fluid
What to Use
When you need windshield washer fluid, be sure
to read the manufacturer’s instructions before
use. If you will be operating your vehicle in an area
where the temperature may fall bel ...
Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating
conditions. See Engine Overheating . ...
Driving experience
The chassis and structural systems were developed in Germany and give the
Buick Regal the handling and dynamics of a premium European sport sedan, as well
as the quiet, refined ride and road manne ...