OnStar Overview
EmergencyRoadside Assistance Program
For U.S.-purchased vehicles, call 1-800-243-8872. (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.
Calling for Assistance
When calling Roadside Assistance, have the following information ready:
...
Connecting a USB Storage Device or iPod/iPhone
To connect a USB storage device, connect the device to the USB port.
To connect an iPod/iPhone, connect one end of the device’s cable to the iPod/iPhone
and the other end to the USB port.
The iPod/iPhone charges while it is connected to the vehicle if the vehicle is
in ACC/ACCESSORY, ON/RUN. S ...
Towing the Vehicle
Caution
Incorrectly towing a disabled vehicle may cause damage. The damage
would not be covered by the vehicle warranty.
Have the vehicle towed on a flatbed car carrier or a wheel lift tow truck.
If a wheel lift tow truck is used, the drive wheels cannot contact the road while
the vehicle is ...