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:
Side Blind Zone Alert (SBZA)
The vehicle may have a Side Blind Zone Alert (SBZA)
system. Read this entire section before using the
system.
WARNING:
SBZA is only a lane changing aid and does not
replace driver vision. SBZA ...
LaCrosse in the Market
The LaCrosse isn't a product of the yesteryear thinking that drove GM to
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Submenus
An arrow on the right-hand edge of
the menu indicates that it has a
submenu with other options. ...