The map data in the vehicle is the most up-to-date information available when the vehicle was produced. The map data is updated periodically, provided that the map information has changed.
For questions about the operation of the navigation system or the update process, contact the GM Nav Disc Center toll-free phone number, 1-877-NAV-DISC (1-877-628-3472) or go to the center’s website, www.gmnavdisc.com. If updates are needed, call the GM Nav Disc Center or order a new Map Update online. To order map data, have the vehicle’s Vehicle Identification Number (VIN) available.
If the System Needs Service
Database Coverage ExplanationsCompass
The vehicle may have a compass display in the Driver Information Center (DIC).
The compass receives its heading and other information from the Global Positioning
System (GPS) antenna, StabiliTrak, and vehicle speed information.
Avoid covering the GPS antenna, located on the roof, for long perio ...
Satellite Radio
Vehicles with a SiriusXM® satellite radio tuner and a valid SiriusXM satellite
radio subscription can receive SiriusXM programming.
SiriusXM Satellite Radio Service
SiriusXM is a satellite radio service based in the 48 contiguous United States
and 10 Canadian provinces.
SiriusXM satellite rad ...
Installation Procedure
Install NEW stabilizer shaft insulators (1) to stabilizer shaft (2) so
that the slit in the insulator is facing the rear of the vehicle.
Install the insulator c 2. lamp to the insulator:
2.1. Position the clamp (2) over on the insulator.
2.2. Use two M8 bolts (1, 3) with 40 ...