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 ...

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 ...

Brake Fluid
The brake master cylinder reservoir is filled with DOT 3 brake fluid. See Engine Compartment Overview   for the location of the reservoir. There are only two reasons why the brake fluid ...