See also:

Reduced Engine Power Light
This light comes on when a noticeable reduction in the vehicle’s performance occurs. The vehicle can be driven at a reduced speed when the reduced engine power light is on, but accelerati ...

Average Vehicle Speed
This display shows the average speed of the vehicle in miles per hour (mph) or kilometers per hour (km/h). This average is calculated based on the various vehicle speeds recorded since the ...

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...