See also:

Safety Belt Reminder Light
When the key is turned to RUN or START, a chime will sound for several seconds to remind you buckle your safety belt. The driver safety belt light will also come on and stay on for several seconds ...

Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them. To Mute a call 1. Press . The system responds “Ready,” followe ...

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...