Audio SystemWhen using the in-vehicle Bluetooth system, soundcomes through the vehicle’s front audio system speakersand over-rides the audio system. Use the audiosystem volume knob, during a call, to change thevolume level. The adjusted volume level remains inmemory for later calls. To prevent missed calls, aminimum volume level is used if the volume is turneddown too low.Bluetooth ControlsUse the buttons located on the steering wheel tooperate the in-vehicle Bluetooth system. See AudioSteering Wheel Controls on page 3-124 for moreinformation.b g (Push To Talk): Press to answer incoming calls,to confirm system information, and to start speechrecognition.c ª(Phone On Hook): Press to end a call, reject acall, or to cancel an operation.PairingA Bluetooth enabled cell phone must be paired to thein-vehicle Bluetooth system first and then connected tothe vehicle before it can be used. See the cell phonemanufacturers user guide for Bluetooth functions beforepairing the cell phone. If a Bluetooth phone is notconnected, calls will be made using OnStar® hands freecalling, if available. Refer to the OnStar owners guidefor more 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.3-112
