See also:

End a Call
Push . System responds: “Call ended.” ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is n ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...