OnStar

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Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi. Have underbody flushing service performed once a year. ...

Driving with a Trailer
Towing a trailer requires experience. Get familiar with handling and braking with the added trailer weight. The vehicle is now longer and not as responsive as the vehicle is by itself. Check al ...

Lateral Acceleration (CTS-V Only)
Lateral Acceleration measures the force of a turn or corner. For example, when turning right, it forces to the left. This gauge displays the “g” force from 0.0 g to 2.0 g. ...