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 ...

Tire Messages
SERVICE TIRE MONITOR SYSTEM On vehicles with the Tire Pressure Monitor System (TPMS), this message displays if a part on the TPMS is not working properly. The tire pressure light also flashes and ...

If the System Needs Service
If the navigation system needs service and the steps listed here have been followed but there are still problems, see your dealer for assistance. ...