OnStar

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Transmission Messages
DIFFERENTIAL HOT, REDUCE SPEED (CTS-V ONLY) This message displays and a chime sounds if the differential fluid temperature exceeds 150°C (300°F). Driving aggressively or at high speeds can ...

Why Safety Belts Work
When riding in a vehicle, you travel as fast as the vehicle does. If the vehicle stops suddenly, you keep going until something stops you. It could be the windshield, the instrument panel, ...

Safety
Six airbags, including seat-mounted side-impact airbags for the front passengers and side curtain-type airbags that protect outboard front and rear occupants, are standard. All-disc antilock brake ...