See also:

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

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 ...

Manual Transmission
Skip Shift (CTS–V) Under light acceleration, the transmission will only allow shifting from 1 (First) to 4 (Fourth). This helps improve fuel mileage. Under harder acceleration, Skip Shift is ...