Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
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.
Calling for Service
When callin ...
Vehicle Data Recording and Privacy
This GM vehicle has a number of sophisticated computers that record information
about the vehicle’s performance and how it is driven. For example, the vehicle uses
computer modules to monitor and ...
Engine Coolant Temperature Gauge
This gauge shows the engine coolant temperature.
If the indicator on the gauge moves towards the shaded area on the thermostat,
it means that the engine coolant has overheated. If the vehicle has ...