OnStar Overview
EmergencyWinter Tires
This vehicle was not, originally, equipped with winter tires. Winter tires are
designed for increased traction on snow and ice-covered roads. Consider installing
winter tires on the vehicle if frequent driving on snow or ice-covered roads is
expected. See your dealer for details regarding wint ...
Charging System Light
The charging system light comes on briefly when the ignition is turned on, but
the engine is not running, as a check to show the light is working.
The light turns off when the engine is started. If it does not, have the vehicle
serviced by your dealer.
If the light stays on, or comes on whil ...
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 circuit until the current load returns to normal or the problem
is fixed. This greatly reduces the c ...