See also:

Vehicle Overview
Cadillac stepped into rear-wheel-drive territory with its STS sedan, which replaced the front-wheel-drive Seville for 2005. Built on a Sigma-based architecture, like the company's smaller CTS seda ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.”. System responds: “OK, calling <name tag>.” ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to ...