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:
Securing Child Restraints (Rear Seat)
When securing a child restraint in a rear seating position, study the instructions
that came with the child restraint to make sure it is compatible with this vehicle.
If the child restraint has the ...
Head Restraint Removal and
Reinstallation
The rear outboard head restraints
can be removed if they interfere with
the proper installation of the child
restraint.
To remove the head restraint:
1. Partially fold the seatback
forward. ...
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone. Say
“Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Sa ...