OnStar

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OnStar Overview

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system sta ...

See also:

Speedometer and odometer
Speedometer Speedometer The speedometer indicates vehicle speed in miles per hour (MPH) and kilometers per hour (km/h). Odometer/twin trip odometer Odometer/twin trip odometer The o ...

How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working. URPA operates only at speeds less than 8 km/h (5 mph). An obstacl ...

Preview function (Intelligent Cruise Control system equipped models)
When the Preview Function identifies the need to apply emergency braking by sensing a vehicle ahead in the same lane and the distance and relative speed from it, it applies the brake pre-press ...