Automatic Crash Response

In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help.

    See also:

    Cold Temperature Operation
    If in an area of extreme cold, where the temperature falls below −20°F (−29°C), use either an SAE 5W-30 synthetic oil or an SAE 0W-30 engine oil. Both provide easier cold starting ...

    Receiving a Call
    When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. • Press to answer the call. • Press to ignore a call. ...

    When the Change Engine Oil Soon Message Displays
    Change engine oil and filter. See Engine Oil. An Emission Control Service. When the Change Engine Oil Soon message displays, service is required for the vehicle as soon as possible, within the ne ...