Roadside Service (U.S. and Canada)
U.S.: 1-800-224-1400
Canada: 1-800-882-1112.
Text Telephone (TTY) Users (U.S. Only): 1-888-889-2438.
Service is available 24 hours a day, 365 days a year.
See also:
Using OnStar® Destination Download (US and Canada)
Press the blue OnStar button and an Advisor can locate a point-of-interest or
an address and download the necessary information or coordinates to your navigation
system. Once the destination is do ...
Detailed Areas
Road network attributes are contained in the map database for detailed areas.
Attributes include information such as street names, street address, turn restrictions,
etc. A detailed area includes ...
Remote Vehicle Start
This feature allows you to start the engine from outside of the vehicle. It may
also start up the vehicle's heating or air conditioning systems and rear window
defogger. Normal operation of th ...






