OnStar

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Tire Rotation and Required Services Every 12 000 km/7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation. - Check engine oil level and oil life percentage. If needed, change engine oil and f ...

Liftgate
Power Liftgate Vehicles with an automatic transmission must be in P (Park) and a manual transmission must be in Neutral to operate the power liftgate. To open the liftgate from inside, s ...

Vehicle Speed Messages
ICE POSSIBLE DRIVE WITH CARE This message displays when the outside temperature is cold enough to create icy road conditions. Adjust your driving accordingly. SPEED LIMITED TO XXX KM/H (MPH ...