y z : Press to go to the next or previous radio stationstored as a favorite or tack on a CD.+ e −: Press to increase or to decrease the volume.b g : Press and release to silence the vehiclespeakers only. Press and release again to turn thesound on.For vehicles with Bluetooth ® , OnStar ® , or a navigationsystem, press and hold to interact with those systems.Bluetooth ®For vehicles with an in-vehicle Bluetooth system, itallows users with a Bluetooth enabled cell phone tomake and receive hands-free calls using the vehicle’saudio system and controls.The Bluetooth enabled cell phone must be paired withthe in-vehicle Bluetooth system before it can be used inthe vehicle. Not all phones will support all functions.For more information visit www.gm.com/bluetooth.For more information, see Bluetooth ® on page 4‑113.Navigation SystemThe vehicle's navigation system provides detailed mapsof most major freeways and roads throughout theUnited States and Canada. After a destination has beenset, the system provides turn-by-turn instructions forreaching the destination. In addition, the system canhelp locate a variety of points of interest (POI), such asbanks, airports, restaurants, and more.See the vehicle's Navigation System manual for moreinformation.1-17