Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push Q to try the call again or try again after driving a few miles into another cellular area. Vehicle and Power Issues OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
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Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when dri ...
Glove Box
Open the glove box by lifting up on the lever. ...
Spacious, refined interior
Interior space is roomier - including increased cargo capacity - and has a
spacious, luxurious environment, thanks to a premium two-tone color scheme and a
lower-positioned instrument panel. New t ...