See also:

Reporting Safety Defects to theUnited States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA), in ...

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

Turn-by-Turn Navigation
1. Push to connect to a live Advisor. 2. Request directions. 3. Directions are downloaded to the vehicle. 4. Follow the voice-guided commands. ...