See also:

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-800-333-05 ...

3-D Lane Guidance
Some major metropolitan areas may include a 3-D lane guidance feature for highway exits and junctions. This feature gives you an enhanced representation of the exits and junctions on the route. ...

XM NavTraffic (USA and Canada)
Vehicles with the navigation system have an XM NavTraffic receiver. XM NavTraffic is a subscription service provided via XM Satellite Radio. XM NavTraffic provides real-time traffic information fu ...