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 ExplanationsInstrument Panel Wiring Harness Replacement
Removal Procedure
Remove instrument panel compartment assembly. Refer to Instrument
Panel Compartment Replacement.
Remove instrument panel wiring harness (2) from instrument panel tie bar
(1).
Disconnect electrical connectors.
Installation Procedure
Ins ...
Courtesy/Illuminated Entry Lamps
The following lamps may be manually turned ON by placing the interior lamp
switch in the ON position, or by opening a door while the
switch is in the AUTO position.
The dome lamp
The liftgate lamps
Courtesy lamps
The courtesy lamp supply voltage circuit of the body control module (BCM) ...
Additional Maintenance and Care
Your vehicle is an important investment and caring for it properly may help to
avoid future costly repairs. To maintain vehicle performance, additional maintenance
services may be required. It is recommended that your dealer perform these services
— their trained dealer technicians know your v ...