Maintenance
Passenger Compartment Air Filter
The filter removes dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle.
The filter should be replaced as part of routine scheduled maintenance, see Maintenance Schedule. To find out what type of filter to use, see Maintenance Replacement Parts.
1. Open the glove box completely and remove the four screws along the upper
portion of the glove box.
2. When released, lower the upper portion of the glove box.
3. Locate the service door for the passenger compartment air filter.

4. Release the two latches holding the service door. Lower the service door.

5. Remove the old air filter.
6. Install the new air filter.
7. Close the service door and latches.
8. Reinstall the upper portion of the glove box.
See your dealer if additional assistance is needed.
See also:
Engine Compartment Overview
CTS 3.6L V6 Engine Shown, 3.0L V6 Engine Similar
A. Windshield Washer Fluid
Reservoir. See Washer Fluid.
B. Engine Compartment Fuse
Block (CTS V Wagon) or Engine
Compartment Fuse Block
(CT ...
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
: Airbag Readiness Light
: Air Conditioning
...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed
to operate on fuels that meet California specifications. See the underhood emission
control label. If this fuel i ...






