See also:

Using the Tire Sealant and Compressor Kit without Sealant to Inflate a Tire (Not Punctured)
To use the air compressor to inflate a tire with air only and not sealant: If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on the hazard warning ...

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 to try the call again or try again after driving a few miles into ...

Horn
Press on the steering wheel pad to sound the horn. ...