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Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

XM™ Satellite Radio AntennaSystem
The XM™ Satellite Radio antenna is located on the roof of your vehicle. Keep this antenna clear of snow and ice build up for clear radio reception. If your vehicle has a sunroof, the performanc ...

Trip Odometer
The trip odometer can tell you how far your vehicle has been driven since you last set the trip odometer to zero. Your vehicle’s odometer works together with the Driver Information Center (DIC ...