Audio SystemWhen using the in-vehicle Bluetooth system, soundcomes through the vehicle’s front audio system speakersand overrides the audio system. Use the audio systemvolume knob, during a call, to change the volume level.The adjusted volume level remains in memory for latercalls. To prevent missed calls, a minimum volume levelis used if the volume is turned down too low.Bluetooth ControlsUse the buttons located on the steering wheel tooperate the in-vehicle Bluetooth system. See AudioSteering Wheel Controls on page 3-127 for moreinformation.b g (Push To Talk): Press to answer incoming calls,to confirm system information, and to start speechrecognition.c x (Phone On Hook): Press to end a call, reject acall, or to cancel an operation.PairingA Bluetooth enabled cell phone must be paired tothe in-vehicle Bluetooth system first and then connectedto the vehicle before it can be used. See the cell phonemanufacturers user guide for Bluetooth functionsbefore pairing the cell phone. If a Bluetooth phone is notconnected, calls will be made using OnStar® Hands-FreeCalling, if available. Refer to the OnStar owner’s guide formore information.Pairing Information:• Up to five cell phones can be paired to the in-vehicleBluetooth system.• The pairing process is disabled when the vehicle ismoving.• The in-vehicle Bluetooth system automatically linkswith the first available paired cell phone in theorder the phone was paired.• Only one paired cell phone can be connected to thein-vehicle Bluetooth system at a time.• Pairing should only need to be completed once,unless changes to the pairing information havebeen made or the phone is deleted.To link to a different paired phone, see Linking to aDifferent Phone later in this section.3-117
