Air Quality Sensor
Buick LaCrosse / Buick LaCrosse Owners Manual / Instruments and Controls / Vehicle Personalization / 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:
Charging System Light
The charging system
light will come on briefly
when you turn on the
ignition, but the
engine is not running,
as a check to show you
it is working.
It should go out once the engine is runnin ...
Dolly Towing from the Front
(All-Wheel Drive)
Dolly Towing from the Front
(All-Wheel Drive)
Vehicles with all-wheel drive cannot
be dolly towed. ...