See also:

2011 Cadillac CTS Review
Since its 2008 redesign, the Cadillac CTS has been a car you could point to as evidence that GM can build world-class cars. It's classy, through and through, and proves that when the automaker put ...

Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB–3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclop ...

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 s ...