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.
See also:
Electronic Range Select (ERS) Mode
ERS or manual mode allows for the selection of the range of gear positions. Use
this mode when driving down hill or towing a trailer to limit the top gear and vehicle
speed.
To use this feature:
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Easy Exit Driver Seat
This feature moves the seat rearward allowing the driver more room to exit the
vehicle.
To activate, turn the ignition off and open the driver door. If the driver door
is already open, turning th ...
Roadside Assistance Program (U.S. and Canada)
For U.S.-purchased vehicles, call 1-888-881-3302; (Text Telephone (TTY): 1-888-889-2438).
For Canadian-purchased vehicles, call 1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
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