Location information about the vehicle is only availableif the GPS satellite signals are unobstructed andavailable.The vehicle must have a working electrical system,including adequate battery power, for the OnStarequipment to operate. There are other problems OnStarcannot control that may prevent OnStar from providingOnStar service at any particular time or place. Someexamples are damage to important parts of the vehiclein a crash, hills, tall buildings, tunnels, weather orwireless phone network congestion.OnStar Steering Wheel ControlsThis vehicle may have a Talk/Mute button that can beused to interact with OnStar hands-free calling. SeeAudio Steering Wheel Controls on page 4-119 for moreinformation.On some vehicles, the mute button can be used to dialnumbers into voice mail systems, or to dial phoneextensions. See the OnStar Owner’s Guide for moreinformation.Your ResponsibilityIncrease the volume of the radio if the OnStar advisorcannot be heard.If the light next to the OnStar buttons is red, the systemmay not be functioning properly. Press Q and requesta vehicle diagnostic. If the light appears clear (no light isappearing), your OnStar subscription has expired andall services have been deactivated. Press Q to confirmthat the OnStar equipment is active.1-25
