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:
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical
system overload.
When the current electrical load is too heavy, the circuit breaker opens and
closes, protecting the ci ...
Defensive Driving
Defensive driving means “always expect the unexpected.” The first step in
driving defensively is to wear the safety belt. See Safety Belts.
- Assume that other road users (pedestrians, bicyclists, ...
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...