See also:

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 ...

Ride & Handling
Our test CTS had the optional performance suspension, and the car felt as firm as one of the high-performance V-Series versions that Cadillac sells, with harsh, jarring responses over bumps. It's ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system ...