Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Driver Information Center (DIC)
The DIC display is located at the bottom of the
instrument panel cluster. It shows the status of many
vehicle systems and enables access to the
personalization menu.
The DIC buttons are locat ...
Electric Power Management
This vehicle has Electric Power
Management (EPM), an advanced control
system. It estimates the battery’s temperature and
state of charge and then adjusts the voltage for
best performance and ext ...
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. ...